Does Naproxen Make You Sleepy?

Does Naproxen Make You Sleepy?

Naproxen is a nonsteroidal anti-inflammatory drug(NSAID). Naproxen is used to treat headaches, dental aches, muscle aches, and muscle cramps. It also reduces pain, swelling, and stiffness in joints for those who have arthritis. It can also help treat insomnia in some cases.

A study conducted at the Bowling Green State University (Ohio) demonstrated that some nonsteroidal anti-inflammatory drugs (NSAIDs) have adverse effects on sleep. Thirty-seven male and female subjects slept in a sleep laboratory for two nights, recorded on a polygraph. The study stated that the mechanisms of sleep disruption after taking NSAIDs might relate to direct or indirect consequences of prostaglandin synthesis resulting in changes in body temperature and suppression of nighttime melatonin levels.

Melatonin is a sleep hormone and is an essential part of the body’s sleep-wake cycle. The prostaglandin synthesis, which causes melatonin suppression, can make you feel tired or sleepy. However, the study did not specifically test Naproxen; the two drugs used were aspirin and ibuprofen(Brown, G.M., 1994).

Another study in the International Journal of Clinical Practice Published by John Wiley & Sons Ltd evaluated sleep aid and analgesic combination of Naproxen sodium and diphenhydramine in dental pain with patients with transient insomnia. The study aimed to demonstrate the added benefit and optimal dosages of the mixture of Naproxen and Diphenhydramine over individual ingredients alone in improving sleep and pain. 

There were two studies conducted, and the subjects were randomized, double-blind, and double-dummy trialed. The subjects in both studies were given a combination of Naproxen and Diphenhydramine in different dosages. The primary end-points in both studies were wake time after sleep onset and sleep latency which was measured by actigraphy. Other sleep and pain end-points were also assessed. There were no serious or unexpected events reported in the study besides 1 type of dosage (NS 440 mg/ DPH 50 mg)improving sleep quality (Simpson, K. and Jarvis, B., 2000).

It is generally advised to take medicine at nighttime before going to bed. 

Things You Shouldn’t Do Under The Influence Of Naproxen


Avoid drinking alcohol. It may increase the risk of stomach bleeding. Consult your doctor if you get the symptoms of stomach or intestine bleeding. Some of the signs to look for are black or bloody stools, coughing up blood, or vomiting.

Use of Heavy Machinery/ Drive:

You shouldn’t operate heavy machinery or drive when under the influence of Naproxen as it causes fatigue and drowsiness. Also, try to avoid other activities that require alertness and attention, especially outdoors. 

In short, there is no concrete evidence of Naproxen showing adverse effects on sleep-cycle, but some other NSAIDs are found to affect sleep negatively up to some degree. Naproxen may cause drowsiness and fatigue, and hence you shouldn’t operate on heavy machines or drive.(Thomas, R.G. and Thal, L.J., 2003)

Does Ibuprofen Raise Blood Pressure?

Does Ibuprofen Raise Blood Pressure?

Ibuprofen is a pain relief drug used to treat headaches, dental pains, menstrual cramps, muscle aches, or arthritis. Ibuprofen is also used to treat minor aches and pain and reduce fever. Ibuprofen works by blocking out the body’s production of certain natural substances that cause inflammation. This results in the reduction of pain, swelling, and fever.

NSAID’s Like Ibuprofen Have The Ability To Increase Blood Pressure.

The average increase is minimal; however, the actual increase may vary from individual to individual. This effect usually happens at the doses of reduction of inflammation and pain relief.

Ibuprofen can reduce the effectiveness of drugs used for the treatment of high blood pressure.

The effect of reduction in blood pressure happens because of reduction in the excretion of sodium and increased retention of water.(Oakes, M.C. and Nageotte, M.P., 2019)

Study On Differential Blood Pressure Effects Of Ibuprofen, Naproxen, And Celecoxib In Patients With Arthritis:


PRECISION-ABPM, a sub-study of PRECISION, was conducted at 60 sites to determine BP effects of the selective COX-2 inhibitor Celecoxib versus the non-selective NSAIDs c and ibuprofen.


In this test, 444 patients with either osteoarthritis or rheumatoid arthritis who are at an increased risk of coronary artery disease received Celecoxib, Ibuprofen, or Naproxen (375–500 mg bid) with matching placebos in a 1: 1: 1 allocation to assess the effect on 24-h ambulatory BP after four months.


 The percentage of people with normal baseline BP who developed hypertension was 23.2% for ibuprofen, 19.0% for naproxen, and 10.3% for Celecoxib.


The study by PRECISION concluded that non-selective NSAID Ibuprofen was associated with a significant increase in Systolic BP and a higher incidence of new-onset hypertension.                                  

Alternatives To Ibuprofen For Hypertensive Patients

If you have high blood pressure or heart condition and want to take pain-relieving medication, then consult with a doctor beforehand.

Acetaminophen and aspirin are considered safe alternatives to reduce pain for people with high blood pressure.

Suppose you do not wish to take medication for pain relief. In that case, there are other alternatives such as an ice pack for acute injuries, heating pads for chronic injuries, yoga, acupuncture. Physical activity helps with certain kinds of pains.(Beaudet, M.P. and Avorn, J., 1996)


  • Ibuprofen is an NSAID used to reduce aches and pain and reduce fever.
  • Ibuprofen can raise the blood pressure in a person.
  • Ibuprofen reduces the effectiveness of the drugs used in the treatment of high blood pressure.
  • Patients suffering from hypertension can use Aspirin and Acetaminophen as alternative pain relief medications.
Can You Take Naproxen and Tylenol?

Can You Take Naproxen and Tylenol?

Naproxen is a non-steroidal anti-inflammatory drug (NSAID). Naproxen is used for the treatment of painful conditions such as arthritis, sprains and strains, backache, menstrual pain, and gout pain.

Tylenol is an over-the-counter medicine used to treat reduce symptoms of pain and fever. Tylenol belongs to a class of drugs called Analgesics. Tylenol could be taken by adults and children above the age of 12.   

Can Naproxen And Tylenol Be Taken Together?

Naproxen and Tylenol could be taken together and found to be safe. However, it is advisable to take both medicines at different times for more effective results. Staggering the medication can help to extend relief from pain. In case the pain is severe Tylenol alone may not be effective. Doses of Naproxen could be added. A combination of both the medicine may work better than either drug alone.(Akhter, T., BAQAI, R. and Aziz, M., 2010)

Difference Between Naproxen And Tylenol

                                                  Naproxen                                                    Tylenol

Naproxen works well for treating mild to moderate pain or inflammation.

Tylenol effectively reduces fever and relieves pain, but it doesn’t lower inflammation and swelling.

Naproxen is good for relieving pain from common conditions like menstrual cramps, toothaches, and arthritis.

Works well to relieve pain and fevers. Good for menstrual cramps, toothaches, body aches, and mild arthritis pain.

Naproxen causes fewer stomach problems and is generally safe to use. Naproxen is not safe for pregnant women and people who are above the age of 60. Could cause kidney problems and stomach bleeding if taken for a longer period.

Tylenol causes less upset stomach, ulcers, bruising, and bleeding than other pain medications. It doesn’t cause kidney damage and is also safe to use for people suffering from heart problems or in case of pregnancy.

Naproxen can raise the risk of getting blood clots, heart attack, or stroke.

Drinking alcohol while taking Tylenol can damage the liver

Comparison of Side Effects of Naproxen And Tylenol

The utility of Tylenol and Naproxen are largely defined by their side effects. The side effects of Tylenol are minor and may include stomach upset, nausea, loss of appetite, and headache. On occasion, itchiness and rash can also develop. By contrast, Naproxen can cause heartburn, stomach pain, and peptic ulcers. Long-term or excessive use can affect blood pressure and clotting and increase the risk of bleeding, hypertension, peripheral edema (leg swelling), heart attack, and stroke. Tylenol is neither associated with cardiovascular nor peptic ulcer risk. It can, however, cause serious liver damage if used in excess (more than 4,000 milligrams per day) or taken with alcohol. While Naproxen can also hurt the liver if used in excess, the risk is far smaller. The same applies to the kidneys but usually only when there is an underlying kidney disorder.(Leuschen, M.P., Filipi, M. and Healey, K., 2004)

Whom Should Avoid Naproxen

Some medicines under certain conditions are not suitable for people and may only be used after taking advice from a doctor or pharmacist. Those conditions may be;
  • If you have asthma or any other allergic disorder.
  • If you have ever had a stomach or duodenal ulcer, or if you have an inflammatory bowel disorder such as Crohn’s disease or ulcerative colitis.
  • If you have a heart condition or a problem with your blood vessels or circulation.
  • If you have high blood pressure.
  • If you have ever had blood clotting problems.
  • If you have high blood sugar or cholesterol levels.
  • If you are a smoker.
  • If you have a connective tissue disorder, such as systemic lupus erythematosus (an inflammatory condition also called lupus or SLE).
  • If you are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, as well as herbal and complementary medicines.
  • If you have ever had an allergic reaction to any other NSAID.(Risser, A., Donovan, D., Heintzman, J., and Page, T., 2009)


The recommended dosage of Naproxen, for adults, is one pill every 8–12 hours. However, this depends on the strength of the medication. While, Tylenol generally comes in 325 mg, 500 mg, or 650 mg pills.

  • 1 or 2 325 mg pills every 4–6 hours, taking no more than 8–10 pills per day
  • 1 or 2 500 mg pills every 4–6 hours, taking no more than 6 pills per day
  • 1 or 2 650 mg extended-release pills every 8 hours, taking no more than 4–6 pills per day
Is Flexeril a Controlled Substance?

Is Flexeril a Controlled Substance?

Flexeril, recognized by its generic name cyclobenzaprine, is a muscle relaxant. Flexeril is used along with physical therapy to treat skeletal muscle conditions such as pain injury or spasms. It works by blocking the nerve impulses or pain sensations that are being sent to the brain.

Flexeril side effects are minimal, but there are few long terms risks. Flexeril is currently not categorized as a controlled substance by the Drug Enforcement Administration (DEA). The drug has a slight potential for abuse due to its sedating effects.

People sometimes abuse Flexeril for its subjective high, categorized by feelings of sedations, relaxations, and mild euphoria. Flexeril is abused along with CNS depressants such as Alcohol, Benzodiazepines (Kaye, A.M. and Kaye, A.D., 2015).

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Study on the Effects of Flexeril

A study on the effects of cyclobenzaprine in animals showed that cyclobenzaprine reduced or eliminated skeletal muscle hyperactivity. Cyclobenzaprine does not act at the neuromuscular junction or directly on skeletal muscle.

According to this research, cyclobenzaprine works mainly in the central nervous system at the brain stem level rather than the spinal cord. Still, its action on the latter may add to its total skeletal muscle relaxant activity. Evidence suggests that cyclobenzaprine has a net effect of reducing tonic somatic motor activity, affecting both the gamma and alpha motor systems (Linden, C.H., Mitchiner, J.C., Lindzon, R.D. and Rumack, B.H., 1983)

Flexeril Abused

Although Flexeril isn’t a controlled substance, it does possess slight abuse potential. The side effects of Flexeril abuse include:

  • Elevated heart rate.
  • Nausea.
  • Excessive drowsiness.
  • Dizziness.
  • Dry mouth.
  • Headache.
  • Confusion.
  • Impaired cognitive function.
  • Physiological dependence.

Data of Muscle Relaxers Being Abused

A search of skeletal muscle relaxant exposures reported to the Florida Poison Information Center Network from 2009 to 2012 was done to explore the potential shift in abuse or misuse of drugs after carisoprodol was categorized as a controlled substance. Intentional abuse of carisoprodol, cyclobenzaprine, and a combination of additional muscle relaxants were among the data gathered.

After carisoprodol was categorized as a controlled substance in 2012, there were 75 occurrences of carisoprodol exposure, compared to an average of 132 cases per year between 2009 and 2011. Surprisingly, the instances of cyclobenzaprine poisoning fell to 27 in 2012, down from an average of 36 per year between 2009 and 2011 (Witenko C, Moorman-Li R, Motycka C, et al).

Tylenol vs. Aspirin- Which is More Effective?

Tylenol vs. Aspirin- Which is More Effective?

Tylenol and Aspirin are the medications that are used to treat pain and fever caused in the body. People widely use both these medications, but the question is which of the medication is better than the other? Let us know more about it.

What is Tylenol?

Tylenol is a drug used as a medication for muscle pain and fever. Acetaminophen is the generic name of Tylenol. Tylenol belongs to the drug class called Analgesics and Antipyretics. IT is an oral medication available in the form of tablets (James, L.P., Mayeux, P.R. and Hinson, J.A., 2003).

What is Aspirin?

Aspirin is used for the treatment of minor pain and fever. It is generically known by the same name and available in the market by many other brand names. It belongs to the drug class called Nonsteroidal anti-inflammatory drug (NSAID), in which it was the first member of the group. It is also known as Salicylate and is available in the form of tablets (Awtry, E.H. and Loscalzo, J., 2000. Aspirin).

Which is More Effective: Tylenol or Aspirin?

Tylenol and Aspirin are both pain relievers and effective against aches and pain. These medications are also used for symptoms of Upper respiratory tract infection (URTI).

Claus Bachert; conducted a similar study to compare the effectiveness of 500 and 1000 mg Aspirin and Tylenol compared to Placebo in adult patients suffering from URTI.

The trial was conducted in Russia, where 78 people were given Aspirin doses, and 79 people were given Tylenol doses. The remaining 78 people were in the placebo group.

The primary efficacy measure was to check the reduction in body temperature from the dosage to 4 hours. The AUC values of change in temperature were as follows:

  • Aspirin 500 mg: 3.18
  • Aspirin 1000 mg: 4.26
  • Tylenol 500 mg: 3.13
  • Tylenol 1000 mg: 4.11
  • Placebo: 0.76

Significant reductions in temperature were observed in Aspirin and Tylenol as compared to placebos. Similar efficiency was shown by both Aspirin and Tylenol against the symptoms of fever, pain, and URTI (Bachert C, Chuchalin AG, Eisebitt R. Aspirin compared with acetaminophen in the treatment of fever and other symptoms).

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Comparison Between Aspirin and Tylenol

Acetaminophen and Aspirin can be purchased without a prescription. The dosage depends on the condition and the response to the treatment.
The working mechanism and usage of Aspirin and Tylenol are similar, and both these medications show similar side effects.

Talking about Aspirin, it may show more gastrointestinal side effects than Acetaminophen, which can badly affect people suffering from stomach ulcers. In contrast, Acetaminophen can have harmful effects on people suffering from liver diseases. Aspirin is not prescribed to pregnant women and children. At the same time, an increase in the dosage of Tylenol can be harmful to an individual.

It is observed that both Tylenol and Aspirin are equally effective. Even though both medicines are different, they are used for the same purpose and work in the exact mechanism. The selection of any of the drugs depends upon the medical history of the individual. Proper doctor consultation should be taken before taking medication in order to reduce the risk (Tarlin, L., Landrigan, P., Babineau, R. and Alpert, J.J., 1972).

Can you take Aspirin and Tylenol together?

Can you take Aspirin and Tylenol together?

Tylenol is a drug used for medication as a pain reliever and fever reducer. It belongs to the drug classes named Analgesics and Antipyretics. Acetaminophen is the generic name of Tylenol. It is an oral medication available in the form of tablets. Aspirin is used as a medication for minor pains and aches caused in the body. Aspirin is a part of the drug class named Nonsteroidal anti-inflammatory drug (NSAID). It was the first member of the NSAID drug group. Aspirin is also known as Salicylate and helps reduce the human body’s pain, ache, and fever. Being generically known by the same name, it is available by other brand names in the market. It is an oral medication available in the form of tablets (Liew, Z., Ritz, B., Rebordosa, C., Lee, P.C. and Olsen, J., 2014).

Is it Safe to consume Tylenol and Aspirin together?

Tylenol and Aspirin are both used to treat the pain and ache caused in the body. Tylenol is generally considered a better choice than the other aspirins available in the market. The answer to the question is that there is no harm involved in taking Tylenol and Aspirin together as there is no such interaction between these two drugs. Generally, an NSAID drug can be given with Aspirin to get an anti-inflammatory effect to get relief. Tylenol, which may not cause severe significant side effects, is considered along with Aspirin (D’Lugos, A.C., Patel, S.H., Ormsby, 2018. Prior acetaminophen consumption).
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How does Both the Medications Work?

The combination of Tylenol and Aspirin works on reducing the fever and soothing the pain caused in the body. Tylenol and Aspirin work on their specific parts and provide better results. Tylenol works by affecting the production of chemicals that cause pain and swelling inside the body. Tylenol reduces the Prostaglandin production and thus enables to reduce the pain and swelling. It works against the fever by informing the heat-regulating center of the brain to lower the body temperature when it gets high. Thus, it balances the temperature. While on the other hand, Aspirin also works by affecting the substances that cause pain and ache in the body. It tries to reduce their production and helps the body to overcome pain. It reduces the signals sent by these pain-causing chemicals to the brain and provides relief from fever and pain. This combination works by working together by performing each of their tasks and helps in reducing fever and pain (Botting, R.M., 2000. Mechanism of action of acetaminophen).

Warnings of Aspirin and Tylenol together?

Whenever a combination of the drug is used for medication, it has some exceptions associated with it. People should not take Tylenol and Aspirin combination if they are:

  • Allergic to Tylenol or Aspirin
  • Heart disease
  • Kidney disorders
  • Asthma
  • Diabetes
  • Blood clotting disorders
  • Serious Liver Diseases
  • Addiction of daily alcohol consumption
  • Under the age of 12

It can cause harm to pregnant women and breastfeeding women to take the Tylenol-Aspirin combination as it can affect the baby. This combination can be taken only if advised by the doctor.

People using herbal products and over-the-counter vitamins can face problems using this combination. Thus, a proper doctor consultation should be taken before any medication to prevent any further risk.


This combination of Tylenol and Aspirin should only be taken as prescribed by the doctor. As both of the medications are oral medications, they should be taken with a glass of water. An adult should follow the equal distribution rule while taking the combination dose. An adult dose should include 250 mg Tylenol and 250 mg Aspirin together. Initially, the medication should be taken in 2 caplets every 6 hours. An adult should not increase the dosage by more than 8 caplets in a single day or 24 hours. The dosage will remain the same if you are using the combination to treat pain, backache, and Rheumatoid Arthritis. Talking about the Paediatric dosage, this combination can only be taken by children above 12. The pediatric dose should be 250 mg Aspirin and 250 mg Tylenol in 2 caplets every 6 hours. Similar to adult dosage, this dose should also not exceed 8 caplets in a day (Divoll, M., Abernethy, D.R., Ameer, B. and Greenblatt, D.J., 1982).

Side effects of Aspirin and Tylenol

Unlike other medications, there are side effects associated when Tylenol and Aspirin are taken together.
Following are some common side effects that can be observed after the medication of this combination:

  • Drowsiness
  • Nausea
  • Upset stomach
  • Ringing in ears

There are severe side effects associated with the consumption of Tylenol and Aspirin together, which might require emergency medical help or even termination of medication. Following are some serious side effects:

  • Redness of the skin
  • Skin allergies and rashes
  • Breathlessness
  • Difficulty in hearing
  • Stomach bleeding


Tylenol and Aspirin can be taken together as a combination of medication for pain and aches. But proper doctor consultation should be carried before taking such a combination as it may affect the body’s normal working and may cause serious issues.
Can you take Tylenol (Acetaminophen) on an Empty Stomach?

Can you take Tylenol (Acetaminophen) on an Empty Stomach?

Tylenol (acetaminophen) is a pain reliever as well as a fever reducer. Tylenol is an over-the-counter medicine used to treat and reduce the symptoms of pain and fever caused by conditions such as colds or flu, headaches, muscle aches, arthritis, mensuration cramps, or fever.

We all think that medications should only be taken after eating some food, but some medicines can be consumed without food and are completely safe, like Tylenol.


Many people often confuse Tylenol with a non-steroidal anti-inflammatory drug (NSAIDs) like ibuprofen or Mortin, which leads them to stereotype Tylenol and consider it unsafe without being aware of the facts and working of the drug. Unlike NSAIDs, Tylenol is entirely safe to take on an empty stomach as it does not cause gastric or ulcer diseases. Tylenol may take up to twice as long to take effect if taken on full stomach, depending on the preparation. (Bushra, R., Aslam, N. and Khan, A.Y., 2011).

Interaction of Food with Tylenol

Interaction of Food with tylenol

Tylenol can be taken on a glass of water, as an empty stomach absorbs Tylneol much faster since there is no food. Food in our stomach deters the absorption process of Tylenol. However, many people might feel ill or uncomfortable after taking Tylenol on an empty stomach; these people might have a sensitive gastrointestinal tract. Taking Tylenol with some food might turn out to be better and much more comfortable (Bushra, R., Aslam, N. and Khan, A.Y., 2011).

How long does it take Tylenol to start working?

The time it takes for Tylenol to start working depends on the dose. Oral tablets must first dissolve in the stomach and get absorbed into the bloodstream before affecting the body. Tylenol liquid takes about 20 minutes to start working, whereas oral tablets take about 30 to 45 minutes. Tylenol taken on a full stomach may take up to double the time to affect the body, depending on the preparation. It takes more time for Tylenol to reduce fever while it is faster in relieving pain.
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Side effects of Tylenol

Tylenol can cause some side effects which create discomfort. These are some of the rare side effects, which include.

• Rash
• Itching or swelling on face, tongue, or throat
• Dizziness
• Trouble in breathing in some cases

Some widespread side effects of Tylenol are

• Nausea
• Loss of appetite
• May feel like hungover
• Dark urine

It is essential to go to a doctor if you have any side effects that bother you and are not ready to go away.

Precautions to be taken before Consuming Tylenol

Precautions to be taken before Consuming Tylenol
  • You should not take Tylenol if you are allergic to acetaminophen or if you have severe liver conditions.
  • Do not consume this medicine until and unless it is recommended or prescribed by your doctor if you ever had liver disease or if you drink more than two alcoholic beverages per day. It is because alcohol combined with Tylenol can be hazardous and can cause severe side effects and discomfort.
  • Acetaminophen can pass to breast milk and may harm a nurturing baby. Asking a doctor is mandatory before using this medicine if you are pregnant.
  • This medicine is not be given to children younger than two years old without the advice of a doctor.


In the end, you have now learned facts about Tylenol that you might not have known before, and this blog may have cleared the stereotypes like taking Tylenol will destroy your liver, it a drug used to get high, and that if taken on an empty stomach it will damage your internal organs, that was clouding your judgment to take Tylenol on an empty stomach. Do you now know that what is the correct way to consume Tylenol? And who all can consume it? And the fact that Tylenol is completely safe to be consumed on an empty stomach. 

How long does Tylenol (Acetaminophen) Stay in your System?

How long does Tylenol (Acetaminophen) Stay in your System?

Tylenol tablets contain acetaminophen. Acetaminophen is an analgesic (pain reliever) and antipyretics (fever reducers). This drug works quickly to relieve off the pain caused due to medical conditions like headaches and osteoarthritis and reduce fever caused by infections. Tylenol can be used by itself or even with other medication for the treatment of several medical conditions.

Acetaminophen, although it doesn’t help in treating swelling or inflammation. It works by blocking out the brain from releasing chemicals that cause the feeling of pain.

The usual dosage of acetaminophen for adults is around 325mg to 650mg every 4 to 6 hours. One shouldn’t take more than 4000mg in a 24 hour period. The dosage may also be affected by factors like body weight, medical conditions, and other medications. However, these tablets shouldn’t be used for longer than five days in a row for pain and three days in a row for fever. Tylenol relieves minor aches and pain from the following medical conditions:

tylenol in your system
  • Sore throats
  • Body or muscle aches   
  • Arthritis   
  • Toothaches
  • Menstrual cramps
  • Cold
  • Headache and migraine
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How Long Does Tylenol Stay in your Body?

How Long Does Tylenol Stay in your Body

Each Tylenol tablet contains 300mg of acetaminophen. Acetaminophen is broken down by the liver in your body, which helps it to enter the bloodstream, and it exits the body through the urine. A typical dose of Tylenol can take up to a few hours to leave the body completely when taken orally. The effects of Tylenol take 4 to 6 hours to wash away thoroughly. However, factors like how much acetaminophen you have taken and how regularly you take the drug also affect the stay of your medicine in your system. 

Suppose you suffer from no medical conditions and take acetaminophen at recommended doses; In that case, it will take on average 10 to 12 hours for the drug to completely leave your system after your last dose. 

Although if you are taking more than the amounts prescribed, it will take at least a day or two to entirely leave your body (Calhoun, P., Johnson, T.K., Hughes, J., Price, D. and Balo, A.K., 2018).

Half-life of Tylenol

When one takes a Tylenol tablet, the acetaminophen starts acting within the first hours. The pain-relieving effects of the drug begin and may last for a few hours, depending on your dosage. The absorption is rapid, and it provides a therapeutic level within the first 40 to 120 minutes after consumption. The peak level is achieved within 2 to 4 hours after ingestion. The half-life of a drug refers to the amount of time it takes for the drug’s active ingredient in your body to reduce by half. On average, the half-life of Tylenol is around 2 to 4 hours. Generally, it will take approximately 24 hours for the drug to leave the body through urine. However, it may take even longer, depending on the health of your liver (Shively, C.A. and Vesell, E.S., 1975).

However, there are several other factors that may affect the stay of the drug, which are as follows,

  • The dosage of the drug
  • Medical conditions
  • Frequency of use
  • Body mass
  • Gender
  •  Presence of other drugs.
  • Alcohol

Possible Side effects of Tylenol

Side effects of tylenol

The common side effects of Tylenol include:

  • Headache
  • Loss of appetite
  • Dark urine
  • Clay-colored stool
  • Yellowing of skin or eyes (jaundice)
  • Nausea 
  • Stomach pain

The above-stated Side effects are the most common ones, and there are many more than this. If you feel like the symptoms are not going away and bothering you too much, then contact your healthcare provider immediately.

Tylenol can also cause some severe side effects like,

  • Severe dizziness
  • Trouble breathing
  • Itching and swelling
  • Rash 

Get medical help right away if you see any of the above symptoms.


Tylenol is an excellent drug for relieving pain. However, one should always monitor their Tylenol doses and shouldn’t take the medication on a frequent basis as regular use of the drug can affect the health of your liver and, in some cases, may prove to be fatal. So it is recommended to always call a doctor before taking Tylenol to treat your medical conditions.

Does Tylenol Help with Cramps?

Does Tylenol Help with Cramps?

Tylenol is also known by the generic name Acetaminophen is a pain reliever and a fever reducer. There are several brands and forms of Acetaminophen available, and Tylenol is one of them. Tylenol is used commonly among people since it’s an over-the-counter drug. Tylenol can be used for the following reasons:

  • Headache.
  • Arthritis.
  • Backache.
  • Toothache.
  • Sore throat.

These were a few common conditions for which Tylenol gives us relief. Tylenol isn’t meant for children below 12 years of age without a doctor’s recommendation, and an adult shouldn’t exceed 4000mg of Acetaminophen in a day. An irregular dose could result in a hazardous overdose.

How does Tylenol work?

Research is ongoing to know how Tylenol actually works. We know how it reacts with the human body, however. It is considered a Non-opioid analgesic.  A Non-opioid analgesic works by impeding an enzyme known as cyclooxygenase (COX). COX works as a catalyst for converting fatty acids stored in cell walls-arachidonic acid- to substances called Prostaglandins. Prostaglandins serve various protective functions in the body that can also cause pain, inflammation, and fever. After a cell injury, the prostaglandin causes pain by several mechanisms. The impairment occurs in the peripheral nervous system, where the nerves are outside the brain, spinal cord, and central nervous system. They increase one’s body temperature by affecting the brain’s heat-regulating region, also called the hypothalamus. During any injury, prostaglandin causes us pain. Still, the Tylenol blocks the COX, which stops the subsequent production of prostaglandins in the central and peripheral nervous system (Botting, R.M., 2000. Mechanism of action of acetaminophen)

How does Tylenol help with Menstrual Cramp?

According to a study by the wright state University School of Medicine and College of Science and Engineering, Dayton, Ohio, USA. It was a four-month study where 90 women participated. No pain relievers were given to them in the first two periods; however, during the last two periods, they were given a dose of 2 x 325 mg aspirin, Acetaminophen (Tylenol), or an identically packed placebo. These medicines were given to them every 4 hours to a total of eight tablets during the first 24 hours of their periods, beginning with spots. For a statistical analysis period, 1 and 2 were combined on an average and then compared to the average of periods 3 and 4. The number of days of flow, total menstrual loss in grams, pain were examined by MANOVA for the three treatment groups. An ANOVA type of analysis was also done for each of these variables for the first 3 menstrual days. The MANOVA reading failed to show any significant differences from all 3 variables. The same was for the ANOVA reading except for the variable pain of cramps. To see the difference in the measurement of cramps, the Duncan’s Multiple Range Test for pain was used, which showed us that the average pain of the placebo group was higher than the average pain of the aspirin group and Tylenol (Acetaminophen) group. This concludes that neither aspirin nor Acetaminophen (Tylenol) given in the doses changes either total menstrual loss or the pattern of loss during the first 3 menstrual days. But, when it came to cramps, both the drugs proved to be an effective means to alter the pain (Pendergrass, P.B. Effect of small doses of aspirin and acetaminophen on total menstrual loss and pain of cramps).

Tylenol dosages for Cramps

Tylenol is an over-counter drug available in capsules, gel caps, chewable, liquid, and suppositories. Adults and teenagers weighing at least 110 pounds (50kgs) should not take more than 1000mg at one time and not more than 4000mg per day.

Why Ibuprofen is better for Menstrual Cramps?

Menstrual cramps take a toll on women and are a significant concern for them. One out of two people suffers from extreme menstrual cramps. Although menstrual cramps are really intense from the age of 20-24, they weaken as a women ages. Many analgesics help relieve menstrual cramps like ibuprofen and Tylenol. When we compare the 2, ibuprofen is similar to Tylenol, which helps relieve pain and fever. Still, Ibuprofen has inflammatory properties, which makes it a better drug to relieve menstrual cramps. The recommended dosage is 400 mg of ibuprofen taken every six to eight hours for the initial days of the period. Any queries regarding the drug, dosage, or uses, the pharmacist will assist you (Chan, W.Y., Dawood, M.Y. and Fuchs, F., 1979).
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Although menstrual cramps are a typical symptom of menstruation, they can be dealt with using the correct medication and can be under control. Consult your General Practitioner regarding the same and drug usage.

Tylenol’s Efficacy and Safety in the Treatment of Migraine

Tylenol’s Efficacy and Safety in the Treatment of Migraine

The generic name for Tylenol is acetaminophen which is used as a fever reducer and a pain reliever. Tylenol is an over-counter drug available in capsules, gel caps, chewable, liquid, and suppositories. Adults usually use two 325 mg capsules every 4 to 6 hours and not exceeding ten tablets in 24 hours. 4000mg is the maximum an adult can consume. Before consumption of the drug, it is advisable to consult your General Practitioner. (Hynninen, M.S., Cheng, D.C., Hossain, I., Carroll, J., Aumbhagavan, S.S., Yue, R. and Karski, J.M., 2000)

How does Tylenol deals with a Migraine?

Research is still going on to know how Tylenol works. We know what it does to the human body, however. It is considered a Non-opioid analgesic. A Non-opioid analgesic works by obstructing an enzyme known as cyclooxygenase (COX). COX works as a catalyst for converting fatty acids stored in cell walls-arachidonic acid- to substances called Prostaglandins. 

Prostaglandins serve several protective functions in the body but can also cause pain, inflammation, and fever. After a cell injury, the prostaglandin causes pain by several mechanisms, primarily where the damage occurs in the peripheral nervous system where the nerves are outside the brain and spinal cord and in the central nervous system. They increase one’s body temperature by affecting the brain’s heat-regulating region, which is also called the hypothalamus.

During a headache, we face a similar function where the prostaglandin causes us pain. Still, the Tylenol blocks the COX, which stops the subsequent production of prostaglandins in the central and peripheral nervous system. Hence resulting in relief when it comes to migraine. (Lipton, R.B., Baggish, J.S., Stewart, W.F., Codispoti, J.R. and Fu, M., 2000)

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Effects of Tylenol on Migraine

Effects of Tylenol on Migraine

According to a study done by the Department of Neurology of the Albert Einstein College of Medicine of Yeshiva University, most people treat their migraine headaches with over-the-counter medication. A treatment used by incorporating Tylenol is very sparse.

The study was based on a randomized, double-blind, placebo-controlled oral consumption of Tylenol (acetaminophen). 1000mg (two 500mg extra-strength Tylenol tablets) with an identical placebo to treat a single acute migraine attack. Patients who met the international headache society diagnostic criteria with or without aura were included. Patients who needed bed rest with their headaches or vomited more than 20% of the time were excluded.

After 2 hours, the headache rate for the patients who took Tylenol was 57.8% in the acetaminophen group and 38.7% in the placebo group. Pain-free rates after 2 hours were experienced by 22.4% in the acetaminophen group and 11.3% in the placebo group. The average pain intensity difference from the baseline after 2 hours was 1.08 in the acetaminophen group and 0.73 in the placebo group. At 2 hours, other migraine disabilities also significantly improved.

The research was concluded by stating that Tylenol (Acetaminophen) was very effective in treating pain, photophobia, headaches, and functional disability in mild cases of migraines, excluding the people with severe cases of migraines. The drug also had a good safety profile and was tolerated correctly. (Lipton RB, Baggish JS, Stewart WF, Codispoti JR, Fu M)


Around 1 billion people worldwide suffer from a migraine, and a part of them use over-the-counter drugs to treat it. These headaches/migraine needs to be treated carefully and with the help of medical care. Acetaminophen, i.e., Tylenol overuse, is more common than you think. Frequent use of such drugs could lead to severe cases of headaches and dependency on them. To avoid such a thing from happening, it is advisable to use it in moderation and seek professional help when required. 

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