onabotulinumtoxinA, Botox, Botox Cosmetic (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

SIDE EFFECTS: Side effects of onabotulinumtoxinA include allergic reactions, rash, itching, headache, neck pain, difficulty swallowing, shortness of breath, nausea, weakness, and dry mouth. Patients also complain of pain and tenderness at the injection site. Patients treated for blepharospasm may experience drooping of the eyelid (ptosis), inflammation of the cornea (keratitis), eye dryness, double vision, tearing, and sensitivity to light. Those treated for urinary incontinence may experience difficulty urinating. Heart attacks, abnormal heart beats, and death have also been reported.

Reference: FDA Prescribing Information


Last Editorial Review: 11/30/2011



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