Is Chlorzoxazone A Narcotic?

Is Chlorzoxazone A Narcotic?

Chlorzoxazone reduces pain and muscle stiffness caused by muscle sprains and strains. It is an FDA-approved prescription drug. Chlorzoxazone belongs to the drug class centrally acting skeletal Muscle relaxers. It works best when combined with rest and physical therapy.

Narcotics are some of the substances used to treat moderate to severe pain but can be highly addictive. Narcotics are very similar to opiates, but they are not made from opium.

Chlorzoxazone is used to treat pain, but it is not a narcotic. It belongs to drug class skeletal muscle relaxers which are not narcotics. However, some muscle relaxers like Valium and Soma are considered narcotics even though they are muscle relaxers.

Chlorzoxazone works by affecting the central nervous system and has sedative effects on the body. But it does not come under the controlled substance category.

Are Muscle Relaxers A Controlled Substance?

Not all muscle relaxers are controlled substances. Even the mechanism of these muscle relaxers acts on the central nervous system, spinal cord, and brain; they are not controlled substances.

But some muscle relaxers such as Soma and Valium are considered controlled substances as people might abuse them and depend on them.

Mechanism Of Chlorzoxazone

The exact working of Chlorzoxazone is unknown, but scientists assume it targets the spinal cord and subcortical levels of the brain to prevent multisynaptic reflex arcs involved in producing and maintaining muscle spasms. This results in a decrease in muscular and skeletal spasms, pain, and greater mobility of the muscles.

Forms And Strength Of Chlorzoxazone

This medication is available in tablet form in the strength of Chlorzoxazone 250 milligrams, 500 milligrams, 375 milligrams, and 750 milligrams.

How To Take

One should take Chlorzoxazone along with proper rest and therapy. One should take it 3-4 times a day per the doctor’s direction. It can be taken before having food or after. One should not increase or decrease the dose without taking medical help.

Dosage Of Chlorzoxazone

The recommended standard dosage for muscle relaxation is 500 milligrams (mg) three or four per day for adults. If needed, your healthcare professional may change your dosage.

The maximum dosage is 750 milligrams three or four times per day.

In case you missed the dose, take the dose immediately. Do not take the dose if the next dose is close. Do not take two doses together.

Nausea, diarrhoea, vomiting are some symptoms of overdosage of Chlorzoxazone. Get emergency medical help to prevent further negative risks.

Side Effects Of Chlorzoxazone

Is Chlorzoxazone a narcotic

The common side effects of Chlorzoxazone include:

  • Drowsiness
  • Dizziness
  • Light-headedness
  • Weakness
  • Skin rash or itching
  • Yellowing of the skin or eyes
  • Stomach pain

Consult your medical health practitioner if you observe any such side effects.

Before Taking Chlorzoxazone

Your healthcare professional must note your progress at frequent intervals to ensure that the drugs work correctly and rule out any adverse effects. Do not consume it if you are under 18. While taking this drug, you may have liver issues. If you have more than one of the side effects mentioned above, stop taking this medication and consult your healthcare professional right away. Pregnant and breastfeeding women should get medical help before taking medicine as the effects may affect their health. (O’Shea, D., Davis, S.N., Kim, R.B. and Wilkinson, G.R., 1994.)

Things To Keep In Mind While Taking Chlorzoxazone

While taking Chlorzoxazone, one should not indulge in activities that require a lot of attention and carefulness. Consuming alcohol can make the person feel drowsier, and the sedation effect may increase. One should follow the proper dosage as prescribed as it might turn into addiction because it affects the CNS. Terminating the medication may also have negative effects on the health. (Umar, M.T., Bello, S.O., Chika, A. and Abdulmumini, Y., 2020)

Is Chlorzoxazone The Same As Soma?

Though both these medications are muscle relaxers, Chlorzoxazone is different from Soma. It is a different drug and not a controlled substance, unlike Soma.

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What Is Chlorzoxazone Similar To?

Chlorzoxazone is similar to muscle relaxers such as Robaxin and Flexeril.

Drug Interactions Of Chlorzoxazone

When Chlorzoxazone is used with other medicines, the side effects can be amplified. Some of them include:

  • Opioid prescriptions
  • Sleeping pills
  • Muscle relaxants
  • Anxiety or seizure medications
  • Antihistamines or allergy medicine
  • Sedatives
  • Tranquilizers
  • Barbiturates
  • Anaesthetics,

Before using any of these drugs along with Chlorzoxazone, consult your healthcare professional.


Chlorzoxazone is a widely used muscle relaxant. It helps to treat muscle pain and spasms. It is not a narcotic substance, but it might be addictive. Following proper dosage and instructions provides effective results. Consult your doctor and inform about the medical history to reduce the risk of negative effects.

Can You Get High Off Chlorzoxazone?

Can You Get High Off Chlorzoxazone?

Chlorzoxazone is a skeletal muscle relaxant that stimulates the central nervous system (CNS) and is used alongside physical therapy, rest, and other measures to get relief from discomfort caused by acute, short-term, painful muscle spasms and bone conditions (Stewart, J.T. and Janicki, C.A., 1987).

Can Chlorzoxazone Make You High?

Muscle relaxants significantly depress the Central Nervous System (CNS). When such medications depress the CNS, it gives a feeling of being relaxed, a feeling of Euphoria. This feeling of Euphoria helps counter the pain one is going through.

Chlorzoxazone stimulates certain parts of the CNS, which results in managing pain by giving a person a feeling of Euphoria. This feeling of Euphoria could provide a high-like sense; hence this drug could be misused (Chou, R., Peterson, K. and Helfand, M., 2004).

Can Chlorzoxazone Lead to Drug Abuse?

Chlorzoxazone isn’t addictive when taken under proper control and surveillance, as per a doctor’s prescription. Chlorzoxazone is a muscle relaxant, gives out a euphoric feeling to cope up with the pain.

A regulated dose should not lead to an intense feeling of Euphoria or feeling high. However, when the dose has been exceeded, the patient might feel high, dizzy, or drowsy. Hence this medication is only sold on a prescription basis since it can be abused (Chou, R., Peterson, K. and Helfand, M., 2004).

Is Chlorzoxazone Addictive?

Taking increased doses of this drug outside prescription could induce an even more intense euphoric feeling that could be high for some. The medication could be addictive to those who have a history of addiction.

Following are the symptoms of being addicted to Chlorzoxazone:

  • Frequently overdosing on the medication.
  • Consuming Chlorzoxazone with alcohol and other drugs like muscle relaxants and antidepressants.
  • Taking Chlorzoxazone for no reason.
  • Consuming it for functioning properly or for daily well-being.
  • An increasing urge to consume the drug frequently.
  • Increasing the dose against what is prescribed.
  • Not being able to deal with social situations (Isolating oneself). 
  • Not being able to control the urge to consume Chlorzoxazone (Chou, R., Peterson, K. and Helfand, M., 2004).

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It is advised to use this medication as prescribed by a doctor. As mentioned in the prescription, do not take it for any other purpose. In case of an overdose or any symptoms due to an overdose like passing out or feeling breathless, seek immediate medical attention.

Other symptoms of overdosing might include nausea, vomiting, muscle weakness, or irregular breathing. The patient can also seem sluggish, followed by loss of involuntary muscle movements, muscle tone, and muscle weakness (Chou, R., Peterson, K. and Helfand, M., 2004).

Missing a dosage

Take the dose of Chlorzoxazone as soon as possible if you have missed one. However, if the time for your next dose is near, skip the missed dose and take the next one on time. A double dose isn’t recommended as it can result in an overdose.

Taking a dose with alcohol

Consuming this medication with alcohol could be dangerous. The sedative effects of this medication would be amplified if taken with alcohol, resulting in something fatal.

Side Effects of Chlorzoxazone


Following are the side effects of Chlorzoxazone:

  • A light-headed feeling as if you’re going to pass out: Chlorzoxazone affecting the CNS makes a person feel drowsy, euphoric. This could result in feeling light-headed.
  • Skin rash, Itching.
  • Liver problems: Loss of appetite and pain in the abdomen region’s upper right side.
  • Jaundice: Yellowing of the skin or eyes.
  • General feeling ill.
  • Dizziness.
  • Dry mouth.
  • Depression.
  • Low blood pressure.


Here are the following precautions one must take before consuming this medication:

Allergies: Mention it to your doctor if you have any allergies before taking this medicine. Read the description label of the medication to know if there could be any allergic reactions with the inactive ingredients.

Use of marijuana and alcohol: The use of alcohol and marijuana could result in feeling more dizzy and drowsy.

Before surgery: Tell your doctors or dentist prior to surgery if you’re using this medication.

Geriatric: The side effects might affect the elders more adversely.

Breastfeeding and pregnancy: Consult your doctor before using this medication while pregnant and breastfeeding.


Chlorzoxazone is a skeletal muscle relaxant that stimulates the central nervous system. It is used alongside physical therapy, rest, and other measures to get relief from discomfort caused by acute, short-term, painful muscle spasms and bone conditions.

You can also buy Chlorzoxazone online from legit certified pharmacy.

Before taking this medication, know about its side effects and precautions. Knowing what drug it interacts with is also important. Disclose all conditions and allergies to your doctor before consuming Chlorzoxazone.

How Long Does Chlorzoxazone Stay In Your System?

How Long Does Chlorzoxazone Stay In Your System?

Chlorzoxazone is rapidly metabolized and eliminated in the urine, predominantly as the glucuronide in a conjugated form. In 24 hours, less than 1% of a dose of Chlorzoxazone is eliminated intact in the urine.

Chlorzoxazone is a skeletal muscle relaxant prescribed as a supplement to rest, physical therapy, and other treatments to reduce pain and suffering caused by acute musculoskeletal problems. (Lucas, D., Ferrara, R., Gonzalez, E., Bodenez, P., Albores, A., Manno, M. and Berthou, F., 1999)

How Long Does Chlorzoxazone Stay In Your System

How Chlorzoxazone Works?

Chlorzoxazone suppresses multisynaptic reflex arcs involved in producing and maintaining skeletal muscle spasms of various etiologies at the level of the spinal cord and subcortical areas of the brain.

The clinical outcome is a decrease in skeletal, muscular spasms, pain alleviation, and greater mobility of the affected muscles. (Cao, Y.J., Dreixler, J.C., Roizen, J.D., Roberts, M.T. and Houamed, K.M., 2001)

How To Consume Chlorzoxazone

Chlorzoxazone is available as a pill that must be swallowed. It’s often taken three to four times each day. Carefully follow the advice on the medication label, and if there is anything you don’t understand, ask your healthcare professional to explain it to you.

Chlorzoxazone should be taken exactly as prescribed. Please do not consume more or less of it than your doctor has instructed. You can buy Chlorzoxazone online from a certified online pharmacy. (Girre, C., Lucas, D., Hispard, E., Menez, C., Dally, S. and Menez, J.F., 1994)


This medicine’s dosage will vary depending on the patient. Follow your doctor’s orders or the label’s instructions. Only the typical doses of this drug are included in the following information. If your amount of dose differs, do not alter it unless your doctor instructs you to.

The strength of the medicine determines how much you should take. Furthermore, the medical problem for which the drug is being used determines the number of doses you take every day, the interval between doses, and the length of time you take medicine.

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Side Effects Of Chlorzoxazone

Side Effects of Chlorzoxazone

Some of the side effects of Chlorzoxazone include:

  • Gastrointestinal bleeding
  • Drowsiness
  • Dizziness
  • Lightheadedness 
  • Malaise

How other Drugs affect Chlorzoxazone?

When Chlorzoxazone is used with other sleepy medicines, the impact can be amplified. Before taking an opioid prescription, a sleeping pill, a muscle relaxant, or a treatment for anxiety or seizures, consult your doctor.

Other pharmaceuticals, such as prescription and over-the-counter medicines, vitamins, and herbal items, may interact with Chlorzoxazone. Tell your healthcare professioal about all of your existing medications, as well as any new or discontinued medications.

Safety measures to keep in mind before taking Chlorzoxazone

It’s critical that your doctor monitors your progress at frequent intervals to ensure that the treatment is working correctly and rule out any side effects. While taking this medication, you may get liver problems. If you have more than one of the symptoms mentioned above, stop taking this prescription and consult your doctor right away.

Alcohol and other CNS depressants will be amplified by this medication (medicines that make you drowsy or less alert). Antihistamines or allergy medicine; sedatives, tranquilizers, sleeping medicine; prescription pain medicine or opioids; barbiturates; seizure medicine; or anesthetics, including some dental anesthetics, are all examples of CNS depressants. Before using any of these medications while taking Chlorzoxazone, see your doctor or dentist. (Jackson, J. and Anania, F.A., 2007)

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