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Seradex Side Effects

Generic Name: brompheniramine / carbetapentane / phenylephrine

Note: This document contains side effect information about brompheniramine / carbetapentane / phenylephrine. Some of the dosage forms listed on this page may not apply to the brand name Seradex.

Applies to brompheniramine/carbetapentane/phenylephrine: oral liquid, oral suspension, oral suspension extended release


Cardiovascular side effects have included hypotension, palpitations, tachycardia and extrasystole.[Ref]

Nervous system

Nervous system side effects have included headache, sedation, sleepiness, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesias, vertigo, tinnitus, acute, neuritis and convulsions.[Ref]


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


Gastrointestinal side effects have included epigastric distress, anorexia, nausea, vomiting, diarrhea, and constipation.[Ref]


Genitourinary side effects have included urinary frequency, difficult urination, urinary retention, and early menses.[Ref]


Hematologic side effects have included hemolytic anemia, thrombocytopenia, and agranulocytosis.[Ref]


Respiratory side effects have included thickening of bronchial secretions, tightness of chest or throat, wheezing, nasal stuffiness, and dryness of the mouth, nose and throat.[Ref]


Hypersensitivity side effects have included drug rash and anaphylactic shock.[Ref]


Dermatologic side effects have included urticaria and photosensitivity.[Ref]


General side effects have included chills and excessive perspiration.[Ref]


1. "Product Information. BetaTan (brompheniramine / carbetapentane / phenylephrine)." Wraser Pharmaceuticals, Ridgeland, MS.

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

More about Seradex (brompheniramine / carbetapentane / phenylephrine)

Consumer resources

Other brands: BetaTan

Professional resources

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