Robaxin Side Effects Center

What Is Robaxin?

Robaxin (methocarbamol) is a muscle relaxant used together with rest and physical therapy to treat skeletal muscle conditions such as pain or injury. Robaxin is available in generic form.

What Are Side Effects of Robaxin?

Common side effects of Robaxin include:

• stomach upset,
• nausea,
• vomiting,
• flushing (warmth, redness, or tingly feeling),
• constipation,
• headache,
• confusion,
• memory problems,
• loss of balance or coordination,
• blurred vision,
• double vision,
• eye redness,
• lightheadedness,
• dizziness,
• spinning sensation,
• drowsiness,
• sleep problems (insomnia),
• stuffy nose,
• itching, or
• rash, especially during the first few days as your body adjusts to this medication.

Tell your doctor if you experience serious side effects of Robaxin including:

• fever,
• lightheadedness,
• chills,
• flu symptoms,
• slow heart rate,
• feeling like you might pass out,
• seizures (convulsions), or
• jaundice (yellowing of your skin or eyes).

Seek medical care or call 911 at once if you have the following serious side effects:

• Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
• Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheartedness, or passing out;
• Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

Dosage for Robaxin

The recommended starting dose of Robaxin is six grams a day for the first 48 to 72 hours of treatment. Thereafter, the dosage can usually be reduced to approximately 4 grams a day.

What Drugs, Substances, or Supplements Interact with Robaxin?

Robaxin may interact with:

• pyridostigmine,
• donepezil,
• galantamine,
• rivastigmine, or
• tacrine

Tell your doctor all prescription and over-the-counter medications and supplements you use.

Robaxin During Pregnancy and Breastfeeding

Robaxin should be used during pregnancy only when prescribed. It is not known if this drug passes into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Robaxin (methocarbamol) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

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.

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.