What is nyquil used for

It carries a low risk of side effects when taken at the recommended dosage. However, higher doses of acetaminophen can be dangerous. If you take more acetaminophen than is safe for you, it can cause liver damage. The recommended maximum daily dose of acetaminophen is 3, milligrams mg. But the difference between a safe dose and a dose that could harm your liver is very small.

Acetaminophen is sold under many brand names, including Tylenol. Dextromethorphan is a cough suppressant. It works by reducing brain signals that trigger coughing. Doxylamine succinate is an antihistamine. Antihistamines work by blocking the action of histamine, a substance associated with allergy symptoms. By targeting histamine, doxylamine succinate helps relieve sneezing, runny nose, and sinus congestion. It causes significant drowsiness, as well as headaches and sinus dryness.

Phenylephrine HCl is a decongestant. It relieves symptoms associated with sinus congestion, such as a runny nose. Other side effects include dizziness, headache, and upset stomach. Some studies have examined the use of antihistamines to help with sleep. According to a literature review , some first-generation antihistamines may be helpful in treating short-term insomnia.

In addition, doxylamine may cause undesirable side effects, including daytime drowsiness. Other side effects can include:. To take Nyquil safely, follow the instructions on the label. There is no limit to what Theresa is willing to do to make a difference in the field of Addiction!

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Many people misuse NyQuil by taking it to fall asleep or by using it as a recreational drug. Start the road to recovery.

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Get professional rehab and addiction education from a qualified doctor today! What Is NyQuil? Get Help During COVID With just 30 days at a rehab center, you can get clean and sober, start therapy, join a support group, and learn ways to manage your cravings.

Looking for a place to start? Reach out to a treatment provider for free today. Drug Enforcement Administration. Cough Medicine Abuse by Teens. About DayQuil. Nyquil Liquid.

Confidentially speak with a treatment provider: Call Chat. National Library of Medicine. Vicks Nyquil Cold and Flu - acetaminophen, dextromethorphan hydobromide, and doxylamine succinate capsule, liquid filled. Updated January 23, Vicks Nyquil FAQ. Acetaminophen: avoiding liver injury. Updated June 24, Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page.

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