Dihydrocodeine / Phenylephrine / Pyrilamine Side Effects

Applies to dihydrocodeine / phenylephrine / pyrilamine: oral liquid.

Get emergency medical help if you have any of these signs of an allergic reaction while taking dihydrocodeine / phenylephrine / pyrilamine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using dihydrocodeine, phenylephrine, and pyrilamine and call your doctor at once if you have a serious side effect such as:

• confusion, mood changes, hallucinations, unusual thoughts or behavior;

• severe dizziness or drowsiness, feeling like you might pass out;

• severe nervousness, fast or uneven heart rate, tremor, seizure (convulsions);

• severe headache;

• severe stomach cramps or constipation;

• weak or shallow breathing;

• urinating less than usual or not at all;

• easy bruising or bleeding, unusual weakness; or

• dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, chest pain).

Less serious side effects of dihydrocodeine / phenylephrine / pyrilamine may include:

• dizziness, drowsiness, tired feeling;

• dry mouth, nose, or throat;

• blurred vision;

• increased sweating;

• headache, increased sweating, feeling anxious;

• diarrhea, upset stomach, nausea, vomiting, constipation; or

• sleep problems (insomnia);

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

See also:

Further information

Dihydrocodeine/phenylephrine/pyrilamine side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer