Skip to Content

The originating document has been archived. We cannot confirm the completeness, accuracy and currency of the content.

Triaminic Side Effects

Generic Name: chlorpheniramine / phenylpropanolamine

Note: This document contains side effect information about chlorpheniramine / phenylpropanolamine. Some of the dosage forms listed on this page may not apply to the brand name Triaminic.

Applies to chlorpheniramine / phenylpropanolamine: oral capsule extended release, oral syrup, oral tablet, oral tablet extended release

Serious side effects are unlikely to occur. Stop taking chlorpheniramine and phenylpropanolamine and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

Other, less serious side effects may be more likely to occur. Continue to take chlorpheniramine and phenylpropanolamine and talk to your doctor or try another similar medication if you experience

  • dryness of the eyes, nose, and mouth;

  • drowsiness or dizziness;

  • blurred vision;

  • difficulty urinating; or

  • excitation in children.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

Some side effects of Triaminic may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

More about Triaminic (chlorpheniramine / phenylpropanolamine)

Consumer resources

Other Formulations

Related treatment guides