NyQuil Cough

You should not use this medicine if you are allergic to dextromethorphan or doxylamine.

Do not use dextromethorphan and doxylamine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

You should not use antihistamine medication to make a child sleepy.

To make sure dextromethorphan and doxylamine is safe for you, tell your doctor if you have:

• high blood pressure, heart disease;

• a thyroid disorder;

• a blockage in your digestive tract (stomach or intestines);

• liver or kidney disease;

• diabetes;

• cough with mucus, or cough caused by emphysema or chronic bronchitis;

• bladder obstruction or other urination problems; or

• if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).

It is not known whether dextromethorphan and doxylamine will harm an unborn baby. Ask a doctor before using this medicine if you are pregnant.

Dextromethorphan and doxylamine may pass into breast milk and may harm a nursing baby. Antihistamines may also slow breast milk production. Ask a doctor before using this medicine if you are breast-feeding.

Artificially sweetened cough or cold medicine may contain phenylalanine. If you have phenylketonuria (PKU), check the medication label to see if the product contains phenylalanine.

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.