Carbinoxamine / dextromethorphan / phenylephrine Side Effects
Cardiovascular side effects have included pallor, arrhythmias and increased heart rate or blood pressure.[Ref]
Ocular side effects have included diplopia.[Ref]
Respiratory side effects have included respiratory difficulty.[Ref]
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.
Some side effects may not be reported. You may report them to the FDA.