PediaHist DM Side Effects

Generic name: brompheniramine / dextromethorphan / pseudoephedrine

Note: This document contains side effect information about brompheniramine / dextromethorphan / pseudoephedrine. Some of the dosage forms listed on this page may not apply to the brand name PediaHist DM.

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

Applies to brompheniramine / dextromethorphan / pseudoephedrine: oral drops, oral liquid, oral suspension extended release, oral syrup, oral tablet

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

Stop using this medicine and call your doctor at once if you have a serious side effect such as:

• fast, slow, or uneven heart rate;

• severe headache, mood changes, hallucinations;

• severe dizziness or anxiety, feeling like you might pass out;

• tremor, seizure (convulsions);

• easy bruising or bleeding, unusual weakness;

• fever;

• urinating less than usual or not at all;

• feeling short of breath; or

• dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, confusion, chest pain, uneven heartbeats, seizure).

Less serious side effects of brompheniramine / dextromethorphan / pseudoephedrine may include:

• mild headache;

• mild dizziness, drowsiness;

• dry mouth, nose, or throat;

• nausea, diarrhea, constipation, upset stomach;

• feeling nervous, restless, or irritable;

• blurred vision; or

• sleep problems (insomnia).

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

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