Carbinoxamine / dextromethorphan / phenylephrine Side Effects
For the Consumer
Applies to carbinoxamine / dextromethorphan / phenylephrine: drops, syrup
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking carbinoxamine / dextromethorphan / phenylephrine:Constipation; diarrhea; dizziness; drowsiness; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; tremor; trouble sleeping; vision changes.
For Healthcare Professionals
Applies to carbinoxamine / dextromethorphan / phenylephrine: oral liquid
Cardiovascular
Cardiovascular side effects have included pallor, arrhythmias and increased heart rate or blood pressure.[Ref]
Nervous system
Nervous system side effects have included sedation, dizziness, headache, nervousness, convulsions, central nervous system stimulation, hallucinations, tremor, insomnia, and weakness.[Ref]
Ocular
Ocular side effects have included diplopia.[Ref]
Respiratory
Respiratory side effects have included respiratory difficulty.[Ref]
Gastrointestinal
Gastrointestinal side effects have included nausea, vomiting, anorexia, heartburn and diarrhea.[Ref]
Genitourinary
Genitourinary side effects have included dysuria and polyuria.[Ref]
References
1. "Product Information. Trituss-A Drops (carbinoxamine / dextromethorphan / phenylephrine)." Everett Laboratories Inc, West Orange, NJ.
2. "Product Information. Dacex-A (carbinoxamine / dextromethorphan / phenylephrine)." Cypress Pharmaceutical Inc, Madison, MS.
Not all side effects for carbinoxamine / dextromethorphan / phenylephrine may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about carbinoxamine/dextromethorphan/phenylephrine
- Side Effects
- During Pregnancy
- Drug Interactions
- Support Group
- 0 Reviews – Add your own review/rating
- Drug class: upper respiratory combinations
Consumer resources
- Carbinoxamine/dextromethorphan/phenylephrine drops
- Carbinoxamine/dextromethorphan/phenylephrine syrup
Other brands: Trituss-A, DMax Pediatric, DMax
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