Acetaminophen / dextromethorphan / doxylamine / pseudoephedrine Side Effects

Some side effects of acetaminophen / dextromethorphan / doxylamine / pseudoephedrine 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 acetaminophen / dextromethorphan / doxylamine / pseudoephedrine: oral capsule, oral liquid

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

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

• chest pain, rapid pulse;

• fast, slow, or uneven heart rate;

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

• severe headache;

• mood changes, confusion, hallucinations, severe nervousness;

• tremor, seizure (convulsions);

• fever, easy bruising or bleeding, unusual weakness;

• urinating less than usual or not at all;

• nausea, pain in your upper stomach, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of your skin or eyes); or

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

Less serious side effects of acetaminophen / dextromethorphan / doxylamine / pseudoephedrine may include:

• dizziness, drowsiness, mild headache;

• dry mouth, nose, or throat;

• constipation, diarrhea, mild nausea, upset stomach;

• blurred vision;

• feeling restless or irritable; 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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