Brompheniramine / dihydrocodeine / phenylephrine Side Effects
For the Consumer
Applies to brompheniramine / dihydrocodeine / phenylephrine: liquid
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 brompheniramine / dihydrocodeine / phenylephrine:
Constipation; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; difficulty urinating or inability to urinate; fainting; fast, slow, or irregular heartbeat; fever, chills, or persistent sore throat; hallucinations; loss of coordination; mental or mood changes (eg, depression); ringing in the ears; seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; shallow breathing; tremor; persistent trouble sleeping; uncontrolled muscle movements; unusual bruising or bleeding; unusual weakness or tiredness; vision changes or blurred vision.
For Healthcare Professionals
Applies to brompheniramine / dihydrocodeine / phenylephrine: oral liquid
Nervous system side effects have included light-headedness, dizziness, drowsiness, headache, fatigue, sedation, hallucinations, vivid dreams, severe narcosis, lassitude, giddiness, increased irritability or excitement.[Ref]
Gastrointestinal side effects have included nausea, vomiting, constipation, diarrhea, abdominal pain, dry mouth, indigestion, anorexia, and spasm of the biliary tract.[Ref]
Respiratory side effects have included respiratory depression and cough suppression.[Ref]
Dermatologic side effects have included pruritis.[Ref]
Ocular side effects have included miosis and blurred vision.[Ref]
Renal side effects have included granulomatous interstitial nephritis and acute renal failure.[Ref]
Hypersensitivity side effects have included anaphylactoid reactions.[Ref]
Cardiovascular side effects have included orthostatic hypotension, cardiac palpitations, and flushing.[Ref]
1. "Product Information. Poly-Tussin DHC (brompheniramine / dihydrocodeine / phenylephrine)." Poly Pharmaceuticals Inc, Quitman, MS.
Not all side effects for brompheniramine / dihydrocodeine / 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 brompheniramine/dihydrocodeine/phenylephrine
- Other brands: Poly-Tussin DHC
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