Note: This document contains side effect information about dexchlorpheniramine / pseudoephedrine. Some dosage forms listed on this page may not apply to the brand name Deltuss DP.
Applies to dexchlorpheniramine / pseudoephedrine: oral liquid, oral suspension extended release, oral tablet.
Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.
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 dexchlorpheniramine and pseudoephedrine and call your doctor at once if you have:
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chest pain, rapid pulse, fast or uneven heart rate;
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confusion, hallucinations, severe nervousness;
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tremor, seizure (convulsions);
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little or no urinating;
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easy bruising or bleeding, unusual weakness; or
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dangerously high blood pressure (severe headache, buzzing in your ears, anxiety, shortness of breath).
Common side effects may include:
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dizziness, drowsiness, blurred vision;
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dry nose or mouth;
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nausea, stomach pain, constipation, loss of appetite;
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problems with memory or concentration; or
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feeling restless or excited (especially in children).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
