Question 1

Q: What is NyQuil?

Accepted Answer

A: NyQuil is an over-the-counter medication that treats nighttime symptoms of the common cold and flu such as sneezing, sore throat, headache, minor aches and pains, fever, runny nose, and cough.

Question 2

Q: What does NyQuil do?

Accepted Answer

A: NyQuil relieves your sneezing, sore throat, headache, minor aches and pains, fever, runny nose, and cough, so you can get the rest you need.

Question 3

Q: How often can I take NyQuil?

Accepted Answer

A: Adults and children 12 years of age or older can take NyQuil every six hours

Question 4

Q: How much NyQuil can I take?

Accepted Answer

A: If you are taking NyQuil LiquiCaps, you can take two LiquiCaps with water every six hours. If you are taking NyQuil Liquid, you can take 30 ml every six hours.

Question 5

Q: How long does it take for NyQuil to work?

Accepted Answer

A: This depends on many factors but it usually takes 30 minutes for NyQuil to start working.

Question 6

Q: How much NyQuil is safe?

Accepted Answer

A: You should not exceed four doses of NyQuil in a 24-hour period.

Question 7

Q: How much alcohol is in NyQuil?

Accepted Answer

A: NyQuil Liquid contains 10 percent alcohol. NyQuil LiquiCaps does not contain alcohol. Alcohol-Free NyQuil Cold & Flu Nighttime Relief Liquid does not contain alcohol.

Question 8

Q: Can I give NyQuil to a child?

Accepted Answer

A: No, children under the age of 12 should not take NyQuil. However, children ages six to 11 may take Children’s NyQuil. Use as directed (15 mL every six hours). Do not exceed four doses within 24 hours. Children ages four to six may take Children’s NyQuil if prescribed by a doctor. Children under four years old should not take Children’s NyQuil.

Question 9

Q: Can I take NyQuil while pregnant or breast-feeding?

Accepted Answer

A: If you are pregnant or breast-feeding, check with your health professional before taking NyQuil. He or she can determine if it is safe for you.

Question 10

Q: What is the active ingredient in NyQuil?

Accepted Answer

A: NyQuil has three active ingredients: acetaminophen (a pain reliever/fever reducer), dextromethorphan HBr (a cough suppressant) and doxylamine succinate (an antihistamine).

Question 11

Q: Does NyQuil expire?

Accepted Answer

A: Yes. Do not use NyQuil beyond the expiration date on the package.

Question 12

Q: What are the side effects of NyQuil?

Accepted Answer

A: NyQuil may cause marked drowsiness. It is important to avoid alcoholic drinks when taking NyQuil and be careful when driving a motor vehicle or operating machinery. In children, NyQuil may cause excitability.

Question 13

Q: Will NyQuil make me sleepy?

Accepted Answer

A: Yes. NyQuil may cause marked drowsiness.

Question 14

Q: What are the different types of NyQuil?

Accepted Answer

A: NyQuil comes as a liquid or gel caps. NyQuil relieves your sneezing, sore throat, headache, minor aches and pains, fever, runny nose, and cough, so you can get the rest you need. NyQuil SEVERE delivers maximum symptom-fighting ingredients to relieve your worst cold symptoms at night. NyQuil Cough Suppressant relieves your cough so you can get the sleep you need.

Question 15

Q: What’s the difference between NyQuil and NyQuil SEVERE?

Accepted Answer

A: NyQuil SEVERE delivers maximum symptom-fighting ingredients* to relieve your worst cold symptoms. Besides the active ingredients in NyQuil, NyQuil SEVERE contains 10 mg of phenylephrine HCl, a nasal decongestant.

*Among OTC cold & flu medicines

Question 16

Q: Are there any warnings I should be aware of when taking NyQuil?

Accepted Answer

A: NyQuil contains acetaminophen. Severe liver damage may occur if you: take more than four doses of NyQuil within 24 hours, take NyQuil with other drugs containing acetaminophen, consume three or more alcoholic drinks every day while taking NyQuil. If you have a severe sore throat and it persists for more than two days and is accompanied or followed by fever, headache, rash, nausea, or vomiting, consult a doctor promptly. Be sure to read the label carefully, and use NyQuil as directed. Learn more about the active ingredients in NyQuil and NyQuil SEVERE.

Question 17

Q: Can I take NyQuil if I have high blood pressure?

Accepted Answer

A: In patients with hypertension, the use of certain medications may raise their blood pressure. Decongestants provide relief by narrowing blood vessels to reduce nasal stuffiness, but this can potentially affect other blood vessels, which may increase blood pressure. NyQuil™ HBP is free of decongestants for people with high blood pressure. To learn more, [click here](/en-us/shop-products/nyquil/nyquil-hbp-cold-flu-medicine).