Note: This document contains side effect information about methocarbamol. Some of the dosage forms listed on this page may not apply to the brand name Robaxin-750.
Applies to methocarbamol: oral tablet
Other dosage forms:
Along with its needed effects, methocarbamol (the active ingredient contained in Robaxin-750) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking methocarbamol:
Incidence not known
Get emergency help immediately if any of the following symptoms of overdose occur while taking methocarbamol:
Symptoms of Overdose
Some side effects of methocarbamol may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Incidence not known
Applies to methocarbamol: injectable solution, oral tablet
The most commonly reported adverse reaction is headache.
Some cardiovascular events may have been due to an overly rapid IV injection.
Most syncope cases resulted in spontaneous recovery; however, epinephrine, injectable steroids, and/or injectable antihistamines have been used in some cases.
Frequency not reported: Syncope, hypotension, bradycardia, thrombophlebitis
Frequency not reported: Anaphylaxis
Convulsions have been reported with IV administration in patients with seizure disorders.
Frequency not reported: Dizziness, lightheadedness, headache, drowsiness, mild muscular incoordination, metallic taste, nystagmus, sedation, seizures (including grand mal), tremor
Frequency not reported: Amnesia, confusion, insomnia, restlessness, anxiety
Frequency not reported: Pain and sloughing at the injection site
Frequency not reported: Urticaria, pruritus, rash, angioneurotic edema
Frequency not reported: Dyspepsia, nausea, vomiting, anorexia
Frequency not reported: Vertigo, fever
Frequency not reported: Blurred vision, conjunctivitis, diplopia
Frequency not reported: Leukopenia
Frequency not reported: Jaundice (including cholestatic jaundice)
Frequency not reported: Nasal congestion, bronchospasm
Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.
Source: Drugs.com Robaxin-750