DM-PE-Chlor Side Effects

Generic name: chlorpheniramine / dextromethorphan / phenylephrine

Note: This document contains side effect information about chlorpheniramine / dextromethorphan / phenylephrine. Some of the dosage forms listed on this page may not apply to the brand name DM-PE-Chlor.

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

For the Consumer

Applies to chlorpheniramine / dextromethorphan / phenylephrine: oral drops, oral liquid, oral tablet effervescent, oral tablet extended release

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

Stop using this medication and call your doctor at once if you have any of these serious side effects:

• fast, pounding, or uneven heartbeat;

• confusion, hallucinations, unusual thoughts or behavior;

• severe dizziness, anxiety, restless feeling, or nervousness;

• increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure);

• confusion, hallucinations;

• slow, shallow breathing;

• urinating less than usual or not at all;

• easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms; or

• nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious side effects of chlorpheniramine / dextromethorphan / phenylephrine may include:

• blurred vision;

• dry mouth;

• nausea, stomach pain, constipation;

• mild loss of appetite, stomach upset;

• warmth, tingling, or redness under your skin;

• feeling excited or restless;

• sleep problems (insomnia);

• restless or excitability (especially in children);

• skin rash or itching;

• dizziness, drowsiness;

• problems with memory or concentration; or

• ringing in your ears.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.

For Healthcare Professionals

Applies to chlorpheniramine / dextromethorphan / phenylephrine: oral drops, oral liquid, oral syrup, oral tablet effervescent, oral tablet extended release

Gastrointestinal

Gastrointestinal side effects have included vomiting, diarrhea, dry mouth, nausea, anorexia, heartburn, and GI disturbance.

Nervous system

Nervous system side effects have included sedation, drowsiness, dizziness, nervousness, headache, convulsions, central nervous system stimulation, hallucinations, tremors, and insomnia.

Cardiovascular

Cardiovascular side effects have included cardiac arrhythmias, increased heart rate, and increased blood pressure.

General

General side effects have included weakness and pallor.

Genitourinary

Genitourinary side effects have included polyuria and dysuria. Urinary retention may occur in patients with prostatic hypertrophy.

Respiratory

Respiratory side effects have included respiratory difficulties.

Ocular

Ocular side effects have included diplopia.

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