Generic Name: Methocarbamol Brand Name(s): Generics only. No brands available.


What is methocarbamol used for?

Methocarbamol is a muscle relaxant. It works by blocking nerve impulses (or pain sensations) that are sent to your brain.

Methocarbamol is used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury.

Methocarbamol may also be used for purposes not listed in this medication guide.

How should I take methocarbamol?

Take methocarbamol exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended.

You may need to reduce your methocarbamol dose after the first 2 or 3 days of treatment. Follow your doctor’s instructions regarding the number of tablets you take each day.

Methocarbamol can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using this medicine.

Methocarbamol is only part of a complete program of treatment that may also include rest, physical therapy, or other pain relief measures.

How do I store methocarbamol?

Methocarbamol is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store methocarbamol in the bathroom or the freezer. There may be different brands of methocarbamol that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush methocarbamol down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using methocarbamol?

Before using this drug, tell your doctor if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of methocarbamol or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using methocarbamol during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking methocarbamol. Methocarbamol is pregnancy risk category C, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk
  • B=No risk in some studies
  • C=There may be some risk
  • D=Positive evidence of risk
  • X=Contraindicated
  • N=Unknown

Side effects

What side effects can occur from methocarbamol?

Less serious side effects may include:

  • Dizziness
  • Spinning sensation
  • Drowsiness
  • Headache
  • Confusion
  • Memory problems
  • Loss of balance or coordination
  • Nausea
  • Vomiting
  • Upset stomach
  • Flushing (warmth, redness, or tingly feeling)
  • Blurred vision
  • Double vision
  • Eye redness
  • Sleep problems (insomnia)
  • Stuffy nose
  • Mild itching or rash

Stop using methocarbamol and call your doctor at once if you have a serious side effect such as:

  • Fever, chills, flu symptoms
  • Slow heart rate
  • Feeling like you might pass out
  • Seizure (convulsions)
  • Jaundice (yellowing of your skin or eyes)

Get emergency medical help if you have any of these signs of an allergic reaction to methocarbamol: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.


What drugs may interact with methocarbamol?

Methocarbamol may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Product that may interact with this drug is pyridostigmine (Mestinon).

Does food or alcohol interact with methocarbamol?

Methocarbamol may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with methocarbamol?

Methocarbamol may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

Health condition that may interact with this drug is myasthenia gravis.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using methocarbamol.

What is the dose of methocarbamol for an adult?

Usual Adult Dose for Muscle Spasm:


  • Initial dose: 1500 mg four times a day for the first 48 to 72 hours, up to a maximum dosage of 8 g/day for severe symptoms.
  • Maintenance dose: 4000 to 4500 mg/day in divided doses.

IV or IM:

  • 1000 mg up to every 8 hours if necessary, not to exceed 3 g/day for more than 3 consecutive days except in the treatment of tetanus. A like course may be repeated after a lapse of 48 hours if the condition persists.
  • Oral therapy should be instituted as soon as possible. For symptoms of moderate severity, oral doses may be adequate after one injection if patient can tolerate oral medications.

Usual Adult Dose for Tetanus:

1 to 2 g directly into IV tubing, followed by an additional 1 to 2 g by IV infusion for a total dose of up to 3 g initially.

This procedure may be repeated every 6 hours until nasogastric tube can be inserted. Then, crushed tablets suspended in water or saline solution can be given through the nasogastric tube.

Total daily oral doses up to 24 g may be required.

What is the dose of methocarbamol for a child?

Usual Pediatric Dose for Tetanus:

A minimum initial dose of 15 mg/kg, may repeat every 6 hours if needed. The maintenance dose may be given by injection into tubing or by IV infusion with an appropriate quantity of fluid.

How is methocarbamol available?

Methocarbamol is available in the following dosage forms and strengths:

  • Tablet

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of methocarbamol, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: July 13, 2017 | Last Modified: July 13, 2017

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