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Carboxine 12 DM Side Effects

Generic name: carbinoxamine / dextromethorphan / pseudoephedrine

Note: This document contains side effect information about carbinoxamine / dextromethorphan / pseudoephedrine. Some dosage forms listed on this page may not apply to the brand name Carboxine 12 DM.

Applies to carbinoxamine/dextromethorphan/pseudoephedrine: oral liquid, oral suspension extended release, oral syrup.


Cardiovascular side effects have included cardiac arrhythmias, increased heart rate or blood pressure.[Ref]


Gastrointestinal side effects have included vomiting, diarrhea, dry mouth, nausea, anorexia, and heartburn.[Ref]

Nervous system

Nervous system side effects have included sedation, dizziness, headache, nervousness, convulsions, central nervous system stimulation, insomnia, hallucinations, tremors and drowsiness.[Ref]


Ocular side effects have included diplopia.[Ref]


Genitourinary side effects have included polyuria and dysuria.[Ref]


Respiratory side effects have included respiratory difficulty.[Ref]


General side effects have included pallor and weakness.[Ref]

More about Carboxine 12 DM (carbinoxamine / dextromethorphan / pseudoephedrine)

Other formulations

Related treatment guides


1. "Product Information. Pediatex-DM (carbinoxamine/dextromethorphan/PSE)." Zyber Pharmaceuticals Inc (2022):

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.