The following adverse reactions have been reported coincident with the administration of methocarbamol. Some events may have been due to an overly rapid rate of intravenous injection.
Body as a Whole
Anaphylactic reaction, angioneurotic edema, fever, headache
Bradycardia, flushing, hypotension, syncope, thrombophlebitis
In most cases of syncope there was spontaneous recovery. In others, epinephrine, injectable steroids, and/or injectable antihistamines were employed to hasten recovery.
Dyspepsia, jaundice (including cholestatic jaundice), nausea and vomiting
Hemic and Lymphatic System
Amnesia, confusion, diplopia, dizziness or light-headedness, drowsiness, insomnia, mild muscular incoordination, nystagmus, sedation, seizures (including grand mal), vertigo
The onset of convulsive seizures during intravenous administration of methocarbamol has been reported in patients with seizure disorders. The psychic trauma of the procedure may have been a contributing factor. Although several observers have reported success in terminating epileptiform seizures with ROBAXIN Injectable, its administration to patients with epilepsy is not recommended (see PRECAUTIONS, General).
Skin and Special Senses
Blurred vision, conjunctivitis, nasal congestion, metallic taste, pruritus, rash, urticaria
Pain and sloughing at the site of injection
REPORTS OF SUSPECTED ROBAXIN SIDE EFFECTS / ADVERSE REACTIONS
Below is a sample of reports where side effects / adverse reactions may be related to Robaxin. The information is not vetted and should not be considered as verified clinical evidence.
Possible Robaxin side effects / adverse reactions in 48 year old female
Reported by a consumer/non-health professional from United States on 2012-07-03
Patient: 48 year old female
Reactions: Wrong Drug Administered, Somnolence
Dosage: 50 mg patch