Dexbrompheniramine / Hydrocodone / Phenylephrine Side Effects

Applies to dexbrompheniramine / hydrocodone / phenylephrine: oral syrup.

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have:

• pounding heartbeats or fluttering in your chest;

• a light-headed feeling, like you might pass out;

• severe anxiety, confusion, fear;

• painful or difficult urination;

• little or no urinating; or

• dangerously high blood pressure--severe headache, blurred vision, pounding in your neck or ears, nosebleed, anxiety, severe chest pain, shortness of breath.

Side effects such as dry mouth, constipation, and confusion may be more likely in older adults.

Common side effects may include:

• dizziness, drowsiness, mood changes;

• feeling excited or irritable;

• problems with thinking or memory;

• flushing (warmth, redness, or tingly feeling);

• blurred vision; or

• constipation, nausea, dry mouth.

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

Dexbrompheniramine/hydrocodone/phenylephrine 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