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Chlorpheniramine / methscopolamine / phenylephrine / pseudoephedrine Side Effects

Applies to chlorpheniramine/methscopolamine/phenylephrine/pseudoephedrine: oral kit


Cardiovascular side effects have included tachycardia, palpitations, flushing, arrhythmias, and cardiovascular collapse with hypotension.[Ref]

Nervous system

Nervous system side effects have included lassitude, drowsiness, giddiness, increased irritability or excitement, headache, fear, anxiety, nervousness,dizziness, restlessness, tremor, weakness, insomnia, hallucinations, convulsions, and CNS depression.[Ref]


Ocular side effects have included blurred vision.[Ref]


Gastrointestinal side effects have included nausea and excessive dryness of the nose, throat, and mouth.[Ref]


Respiratory side effects have included respiratory difficulty.[Ref]


Genitourinary side effects have included dysuria and urinary retention in patients with prostatic hypertrophy.[Ref]


1. "Product Information. AlleRx Dose Pack (chlorpheniramine/methscopolamine/PE/PSE)." Cornerstone BioPharma Inc, Cary, NC.

Some side effects of chlorpheniramine / methscopolamine / phenylephrine / pseudoephedrine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

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