Advil Allergy and Congestion Relief Side Effects

Generic name: chlorpheniramine / ibuprofen / phenylephrine

Medically reviewed by Drugs.com. Last updated on Jan 15, 2024.

Note: This document contains side effect information about chlorpheniramine / ibuprofen / phenylephrine. Some dosage forms listed on this page may not apply to the brand name Advil Allergy and Congestion Relief.

Applies to chlorpheniramine / ibuprofen / phenylephrine: oral tablet.

Serious side effects

Along with its needed effects, chlorpheniramine / ibuprofen / phenylephrine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking chlorpheniramine / ibuprofen / phenylephrine:

Incidence not known

Bloody or black, tarry stools
chest pain or tightness
confusion
constipation
cough
decrease urine output
diarrhea
difficulty in speaking
difficulty swallowing
dilated neck veins
dizziness
double vision
fast heartbeat
headache
heartburn
hives, itching, skin rash
inability to speak
inability to move the arms, legs, or facial muscles
indigestion
irregular breathing
nausea
puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
severe stomach pain, cramping, or burning
swelling of the face, fingers, feet, or lower legs
trouble breathing
unusual tiredness or weakness
vomiting of blood or material that looks like coffee grounds
weight gain

Other side effects

Some side effects of chlorpheniramine / ibuprofen / phenylephrine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: