Hydrocodone/Phenylephrine Side Effects

Please note - some side effects for Hydrocodone/Phenylephrine may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Hydrocodone/Phenylephrine - for the Consumer

Hydrocodone/Phenylephrine/Pyrilamine Liquid

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Hydrocodone/Phenylephrine/Pyrilamine Liquid:

Constipation; diarrhea; dizziness; drowsiness; 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); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; tremor; trouble sleeping; vision changes.

Hydrocodone/Phenylephrine Liquid

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Hydrocodone/Phenylephrine Liquid:

Dizziness; drowsiness, excitability; headache; nausea; nervousness or anxiety; trouble sleeping; weakness.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; severe drowsiness; tremor.

Side Effects by Body System

Nervous system

Nervous system side effects have included drowsiness, nervousness, insomnia, and headache.

Gastrointestinal

Gastrointestinal side effects have included nausea and constipation.

Respiratory

Respiratory side effects have included respiratory depression.

Psychiatric

Psychiatric side effects have included addiction.

General

General side effects have included lassitude,and giddiness,

Genitourinary

Genitourinary side effects have included urinary retention in patients with prostatic hypertrophy.

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