Comhist Side Effects

Generic name: chlorpheniramine / phenylephrine / phenyltoloxamine

Note: This document provides detailed information about Comhist Side Effects associated with chlorpheniramine / phenylephrine / phenyltoloxamine. Some dosage forms listed on this page may not apply specifically to the brand name Comhist.

Applies to chlorpheniramine / phenylephrine / phenyltoloxamine: oral liquid.

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

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

• fast or uneven heart rate;

• pounding heartbeats or fluttering in your chest;

• painful or difficult urination, little or no urinating;

• tremors, seizure (convulsions); or

• vision changes, severe dizziness, feeling like you might pass out.

Common side effects may include:

• headache, dizziness, drowsiness;

• dry mouth, nose, or throat;

• upset stomach, loss of appetite, nausea, constipation;

• blurred vision;

• sleep problems (insomnia); or

• feeling restless or excited (especially in children).

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

Comhist 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