Extendryl DM Side Effects

Generic Name: chlorpheniramine / dextromethorphan / methscopolamine

Note: This page contains information about the side effects of chlorpheniramine / dextromethorphan / methscopolamine. Some of the dosage forms included on this document may not apply to the brand name Extendryl DM.

Applies to chlorpheniramine / dextromethorphan / methscopolamine: oral tablet extended release

Cardiovascular

Cardiovascular side effects have included bradycardia, tachycardia, flushing, and, palpitations.^[Ref]

Gastrointestinal

Gastrointestinal side effects have included nausea, xerostomia, diarrhea, abdominal pain, appetite increase, weight gain, constipation, and dysphagia.^[Ref]

Ocular

Ocular side effects have included mydriasis, diplopia, and blurred vision.^[Ref]

Musculoskeletal

Musculoskeletal side effects have included arthralgia and weakness.^[Ref]

Nervous system

Nervous system side effects have included headache, excitability, irritability, fatigue, nervousness, dizziness, drowsiness, confusion, and memory impairment.^[Ref]

Genitourinary

Genitourinary side effects have included urinary retention.^[Ref]

Renal

Renal side effects have included polyuria.^[Ref]

Respiratory

Respiratory side effects have included pharyngitis.^[Ref]

Not all side effects for Extendryl DM may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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