What You Need to Know About NyQuil

NyQuil is a very popular medication used to treat cold and flu symptoms. Find out if it is right for you and your symptoms.

• Acetaminophen 500mg (pain reliever)
• Dextromethorphan HBr 15mg (cough suppressant)
• Doxylamine succinate 6.25mg (antihistamine)

• Adults - Two tablespoons every 6 hours as needed for cold and flu symptoms. Do not take more than 4 doses in 24 hours.
• Children - Ask a doctor.

Temporary relief of cold and flu symptoms including:

• Cough
• Sore Throat
• Headache
• Minor aches and pains
• Fever
• Runny nose
• Sneezing

• Drowsiness
• Excitability, especially in children

• Do not consume if you drink more than three alcoholic drinks a day. Acetaminophen can cause liver damage. Ask your doctor if you should take acetaminophen if you regularly drink more than three alcoholic drinks per day.
• Do not use with other medications containing acetaminophen.
• Do not use this medication if you are taking an MAOI (medication for depression, psychiatric, emotional conditions or Parkinson's disease) or for two weeks after stopping an MAOI.

Ask a Doctor Before Use

• If you have glaucoma
• If you have a cough that produces a lot of mucus
• If you have a breathing problem or chronic cough that is caused by asthma, smoking, chronic bronchitis or emphysema
• If you have trouble urinating because of an enlarged prostate
• If you are taking sedatives or tranquilizers
• If you are pregnant or breastfeeding

Stop use and ask a doctor if:

• Pain or cough worsens or lasts more than 7 days
• Fever worsens or lasts more than 3 days
• Redness or swelling is present in area causing pain
• New symptoms occur
• Cough returns or occurs with a rash or headache that won't go away

Do not take this product when you have to operate machinery, drive a vehicle or perform other tasks that require alertness.

Nyquil is likely to make you very drowsy; be sure you can devote time to sleep before taking this product.