Methocarbamol (Robaxin) – Side Effects, Interactions, Uses, Dosage, Warnings

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

Methocarbamol injection is sometimes used in the treatment of tetanus, (lockjaw) which causes painful tightening of the muscles.

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


What is Methocarbamol (Robaxin) used for?

  • Muscle Spasm
  • Tetanus


What is the most important information I should know about Methocarbamol (Robaxin)?

You should not use methocarbamol if you are allergic to it.

Tell your doctor if you have ever had:

  • kidney disease;
  • a seizure; or
  • myasthenia gravis.

Methocarbamol may harm an unborn baby. Use effective birth control to prevent pregnancy, and tell your doctor if you become pregnant.

It may not be safe to breastfeed while using this medicine. Ask your doctor about any risk.

Methocarbamol is not approved for use by anyone younger than 16 years old unless to treat tetanus.

User Reviews & Rating

Overall rating for Methocarbamol (Robaxin)

out of  5

(103 Methocarbamol (Robaxin) Reviews)

Side Effects


Easy to Use




Read Methocarbamol (Robaxin) Reviews

Side Effects

What are the side effects of Methocarbamol (Robaxin)?

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

Stop using methocarbamol and call your doctor at once if you have:

  • a light-headed feeling, like you might pass out;
  • slow heartbeats;
  • a seizure;
  • jaundice (yellowing of your skin or eyes); or
  • pain, bruising, swelling, or skin changes where a methocarbamol injection was given.

Common side effects may include:

  • headache, dizziness, drowsiness;
  • fever;
  • confusion, problems with memory;
  • nausea, vomiting, upset stomach;
  • blurred vision, double vision;
  • flushing (warmth, redness, or tingly feeling);
  • sleep problems (insomnia); or
  • lack of coordination.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Pregnancy & Breastfeeding

Can I take Methocarbamol (Robaxin) if I’m pregnant or breastfeeding?

Risk cannot be ruled out
Based on FDA pregnancy categories

Methocarbamol may harm an unborn baby. Use effective birth control to prevent pregnancy, and tell your doctor if you become pregnant.

It may not be safe to breastfeed while using this medicine. Ask your doctor about any risk.


What drugs and food should I avoid while taking Methocarbamol (Robaxin)?

Avoid driving or hazardous activity until you know how this medicine will affect you. Dizziness or drowsiness can cause falls, accidents, or severe injuries.

Drinking alcohol with this medicine can cause side effects.

Dosage Guidelines & Tips

How to take Methocarbamol (Robaxin)?

Use Methocarbamol (Robaxin) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed. Methocarbamol is only part of a complete treatment program that may also include rest, physical therapy, or other pain relief measures.

Methocarbamol oral is taken by mouth. You may need to reduce your dose after the first 2 or 3 days of treatment. Carefully follow your doctor's dosing instructions.

Methocarbamol injection is injected into a muscle or given as an infusion into a vein. A healthcare provider will give you this injection.

Methocarbamol injection is usually given as a single dose before you start taking the oral form.

Tell your caregivers if you feel any burning, pain, or swelling around the IV needle when methocarbamol is injected.

This medicine can affect the results of certain medical tests. Tell any doctor who treats you that you are using methocarbamol.

Store at room temperature away from moisture and heat. Keep the bottle tightly closed when not in use.

What should I do if I missed a dose of Methocarbamol (Robaxin)?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

Overdose Signs

What happens if I overdose on Methocarbamol (Robaxin)?

Overdose symptoms may include nausea, extreme drowsiness, fainting, seizure, or coma.

If you think you or someone else may have overdosed on: Methocarbamol (Robaxin),  call your doctor or the Poison Control center

(800) 222-1222

If someone collapses or isn't breathing after taking Methocarbamol (Robaxin), call 911



1 of 2

West-Ward 290

Color: white

Shape: round

Imprint: West-Ward 290

1 of 2


Color: white

Shape: oblong

Imprint: WEST-WARD 292

4211 V

Color: white

Shape: round

Imprint: 4211 V

See More

Leave a comment

Your email address will not be published. Required fields are marked *