Applies to dextromethorphan / pyrilamine: oral liquid, oral tablet.
Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.
Do not use this medicine only to make a child sleepy. Death can occur from the misuse of cough or cold medicines in very young children.
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using dextromethorphan and pyrilamine and call your doctor at once if you have:
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severe drowsiness or anxiety;
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little or no urinating; or
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a light-headed feeling, like you might pass out.
Common side effects may include:
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drowsiness;
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nervousness; 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.
