Methocarbamol Adverse Effects

Possible side effects of methocarbamol are listed below. Tell your doctor if they are severe or do not go away after a few days.

• Drowsiness
• Dizziness
• Blurred vision or double vision
• Nausea
• Upset stomach
• Fever
• Discolored urine (blue, black, or greenish urine)
• Injection site pain (with IM or IV infusion)

Other side effects of methocarbamol can be more serious. Call your doctor right away if you experience signs and symptoms of allergic reactions such as rash or itching.

The above list may not include all the potential side effects of methocarbamol. This does not constitute medical advice about side effects. Call your doctor or seek immediate medical help if you experience any severe or unusual symptoms. You can also report unusual side effects to the Food and Drug Administration at 1-800-FDA-1088.

Methocarbamol Overdose: In case of a known or suspected overdose, immediately call your doctor or the local poison control center. If the person can’t be awakened, has had a seizure, or has trouble breathing, call 911. Methocarbamol overdose frequently occurs when the medication is taken with alcohol or other CNS depressants. Overdose symptoms may include drowsiness, blurred vision, nausea, low blood pressure, slow heartbeats, seizures, and coma. 

NOTE: Methocarbamol is a prescription medication that is the property of the respective owners and is intended for use only by them. Never share your prescription medication with others or use someone else’s methocarbamol.

Source: FDA