Chlorpheniramine/ Pyrilamine/ Phenylephrine/ Phenylpropanolamine: What Other Drugs Will Affect Chlorpheniramine Pyrilamine Phenylephrine Phenylpropanolamine

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What other drugs will affect chlorpheniramine/ pyrilamine/ phenylephrine/ phenylpropanolamine?

Do not take chlorpheniramine/pyrilamine/phenylephrine/phenylpropanolamine if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.

Do not take other over-the-counter cough, cold, allergy, diet, or sleep aids while taking chlorpheniramine/pyrilamine/phenylephrine/phenylpropanolamine without first talking to your doctor or pharmacist. Other medications may also contain chlorpheniramine, pyrilamine, phenylephrine, phenylpropanolamine, or other similar drugs. You may accidentally take too much of these medicines.

Chlorpheniramine/pyrilamine/phenylephrine/phenylpropanolamine may increase the effects of other drugs that cause drowsiness, including antidepressants, alcohol, other antihistamines, pain relievers, anxiety medicines, seizure medicines, and muscle relaxants. Dangerous sedation, dizziness, or drowsiness may occur if chlorpheniramine/pyrilamine/phenylephrine/phenylpropanolamine is taken with any of these medications.

Drugs other than those listed here may also interact with chlorpheniramine/pyrilamine/phenylephrine/phenylpropanolamine. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines.

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Last updated:	February 13, 2004