Dihydrocodeine / phenylephrine Side Effects
Applies to dihydrocodeine/phenylephrine: oral liquid
Nervous system side effects have included light-headedness, dizziness, drowsiness, headache, fatigue, sedation, confusion, hallucinations, vivid dreams, severe narcosis, lassitude, giddiness, increased irritability, and excitement.[Ref]
Dermatologic side effects have included sweating, pruritis, and skin reactions.[Ref]
Renal side effects have included granulomatous interstitial nephritis and acute renal failure.[Ref]
Respiratory side effects have included cough suppression.[Ref]
Ocular side effects have included blurred vision.[Ref]
Hypersensitivity side effects have included anaphylactoid reactions.[Ref]
1. "Product Information. Alahist DHC (dihydrocodeine-phenylephrine)." Poly Pharmaceuticals Inc, Quitman, MS.
Some side effects may not be reported. You may report them to the FDA.