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Seradex-LA Side Effects

Generic name: brompheniramine / phenylephrine

Medically reviewed by Last updated on May 13, 2024.

Note: This document contains side effect information about brompheniramine / phenylephrine. Some dosage forms listed on this page may not apply to the brand name Seradex-LA.

Applies to brompheniramine / phenylephrine: oral liquid, oral tablet.


Follow all directions on the label and package. Use exactly as directed.

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:

Less serious side effects may be more likely, and you may have none at all.

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

For Healthcare Professionals

Applies to brompheniramine/phenylephrine: oral capsule extended release, oral elixir, oral liquid, oral suspension extended release, oral tablet, oral tablet chewable, oral tablet chewable extended release, oral tablet extended release.


The manufacturer has not provided adverse event information.[Ref]


1. (2019) "Product Information. Ru-Hist D (brompheniramine-phenylephrine)." Allegis Pharmaceuticals

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.