What are the side effects of methocarbamol?

Based on information from, a free medication monitoring service, 39% of patients experience side effects while taking Methocarbamol (Robaxin). Some of the side effects reported by iGuard members include:

  • Drowsiness
  • Nausea/Vomiting
  • Dizziness
  • Headache
  • Fatigue
  • Insomnia
  • Constipation
  • Heartburn/Reflux
Please follow up with your doctor or other healthcare provider if you are experiencing any symptoms that worsen or do not go away.
Methocarbamol can cause a variety of side effects. Stop taking methocarbamol and seek emergency medical treatment if you have symptoms of an allergic reaction such as hives, trouble breathing or swelling of the tongue, face or throat. Call your doctor right away if you experience other serious side effects, such as feeling faint, yellowing of the skin or eyes, a slowed heart rate, seizures, confusion or a spinning sensation and loss of balance. Other side effects may include fever, nausea and vomiting, a mild skin rash, skin feeling warm or tingly or having a reddish tint, memory difficulties, blurry vision, dizziness, sleepiness or insomnia, headaches or a stuffy nose. Call your doctor if these symptoms become bothersome or persistent.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.