Chlorpheniramine / dextromethorphan / methscopolamine Side Effects
Applies to chlorpheniramine/dextromethorphan/methscopolamine: oral tablet extended release
Cardiovascular side effects have included bradycardia, tachycardia, flushing, and, palpitations.[Ref]
Gastrointestinal side effects have included nausea, xerostomia, diarrhea, abdominal pain, appetite increase, weight gain, constipation, and dysphagia.[Ref]
Ocular side effects have included mydriasis, diplopia, and blurred vision.[Ref]
Musculoskeletal side effects have included arthralgia and weakness.[Ref]
Nervous system side effects have included headache, excitability, irritability, fatigue, nervousness, dizziness, drowsiness, confusion, and memory impairment.[Ref]
Genitourinary side effects have included urinary retention.[Ref]
Renal side effects have included polyuria.[Ref]
Respiratory side effects have included pharyngitis.[Ref]
1. "Product Information. Extendryl DM (chlorpheniramine/DM/methscopolamine)." Aura Laboratories, Fort Lauderdale, FL.
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Some side effects may not be reported. You may report them to the FDA.