What is Fibromyalgia?

Fibromyalgia is a condition in which a person suffers from severe fatigue, joint and muscle pain. 

It is the second most common illness related to joints and muscles. 

The leading cause of Fibromyalgia is an excessive strain on your joints and muscles. This could be because of an injury or trauma or overuse of your joints and muscles.

While this illness cannot be cured completely, it can certainly be treated with the right set of medications and lifestyle changes.

You should consider exercises that are light yet encourage the movement of your joints and muscles. Activities will keep you mobile and your joints and muscles will remain tension free.

It is essential to keep your joints and muscles active. Else it can lead to stiffness and pain. Finding a balance is critical. Moving on, let us find out if Methocarbamol is the right for Fibromyalgia.

What Is Methocarbamol?

Methocarbamol was invented in the 1950s. It was first introduced in the year 1957 in The United States of America into the market as a generic medicine. Some common brands of Methocarbamol are Carbacot, Robaxin, Skelex, Robaxin-750.

It is not available over the counter, you can buy Methocarbamol online from certified online pharmacy but it is recommended to get doctor's prescription first.

Methocarbamol has a drug class of skeletal muscle relaxants. As the name suggests, Methocarbamol relaxes your muscles. It is very effective on your body.

It is also used in treating spasms and injuries. It is advised to treat you when you have encountered a problem.

Methocarbamol is used when your muscles need rest. It is an effective treatment for physical therapy (Sibrack, J. and Hammer, R., 2020).

How Does Methocarbamol Work On The Body?

The working style differs from medicine to medicine. Most medicines work on the human brain. This is true for Methocarbamol also. 

The nervous system relays the sensation of pain. Methocarbamol starts by obstructing the nervous system. Thus, you will not feel any pain.

Can Methocarbamol Be Used For Fibromyalgia?

Methocarbamol is primarily used to treat muscle-related issues only. Fibromyalgia is a condition that affects not only your muscles but also your joints and bones.

If you consume Methocarbamol for Fibromyalgia, you may encounter side effects. Here is a famous study on Methocarbamol for Fibromyalgia (Birse, F., Derry, S., Moore, R.A., Eisenberg, E., River, Y. and Shifrin, A., 2018).

Study Of Methocarbamol And Fibromyalgia

As per a study by ehealthme.com, 115 people who had Fibromyalgia were given Methocarbamol. Almost all of them encountered side effects. Women in the age group of 40-49 years who consumed Methocarbamol for Fibromyalgia had more side effects.

Forms And Strengths Of Methocarbamol



Tablet form

500mg, 700mg

Injection form

100mg, per ml

Dosage Of Methocarbamol Tablet


(18-64 years)


(16-17 years)

Senior Citizen

(65 years and more)


Starting dose

1500mg per dose

Starting dose

1500mg per dose

Starting dose

Senior citizens have a weaker body. It leads to kidney and stomach issues.

Continuation of the dose

Can take up to 6000mg maximum per day

Continuation of the dose

Can take up to 6000mg maximum per day


In severe cases

Can be taken up to 8000mg maximum per day

In severe cases

As per physician’s advice

In severe cases

As per physician’s advice

Methocarbamol Tetanus



Starting Dose

1 to 2g followed by 1 to 2g

(should not exceed 3g)

Starting Dose

15 mg can be given at an interval of 4 to 6 hours.

It can also be given by diluting the medicine in water and inserting into the body.

It can be continuously taken in the form of IV for a period of 3 days.

24mg should be the maximum dose according to the body reaction

If needed further, a doctor's recommendation is mandatory.

Side Effects Of Methocarbamol

Normal side effects that you may feel in your body are as follows:

  • You may feel sleepy all-day
  • You may find it difficult to fall asleep
  • You may feel dizzy all the time
  • Your vision may blur

 Severe side effects that you may feel in your body are as follows:

  • You may feel low heart rate or uneasiness in your chest
  • You may get chills and cold
  • You may feel flu symptoms
  • You may feel a severe headache or seizure
  • You might have a stomach ache
  • Yellow vision or yellowing of the skin.

Methocarbamol Drug Interactions

Drugs that may interact with Methocarbamol are as follows:

  • Hydrocodone
  • Cannabis
  • Alprazolam
  • Carisoprodol
  • Cetirizine

How Much Time Does Fibromyalgia Take To Heal?

If at all you are consuming a different medicine to heal Fibromyalgia, it will take at least two weeks for you to get better. Some medications can help you out with conditions related to Fibromyalgia and help you heal.


Prima facie Methocarbamol is not the proper treatment for Fibromyalgia. Methocarbamol is suitable for relaxing muscles. Fibromyalgia is a condition that affects muscles and joints. Hence, Methocarbamol will not work. There will be unnecessary side effects.


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