Acetaminophen/Phenylephrine/Dextromethorphan/Guaifenesin Dosage

Note: Several manufacturers make this medication under different brand names, in different forms, and in different strengths. Follow the specific product instructions on the package or talk with your primary care provider or pharmacist about how to take this medication.

Acetaminophen/Phenylephrine/Dextromethorphan/Guaifenesin liquid

• Each 30 mL of liquid contains 650 mg of acetaminophen, 20 mg of dextromethorphan, 400 mg of guaifenesin, and 10 mg of phenylephrine.
• Adults and children 12 years and older: The typical dose is 30 mL by mouth every 4 hours as needed for cold and flu symptoms. Don't take more than 5 doses (or 150 mL) in a 24-hour period.
• Children under age 12: Don't use. Ask your child's pediatrician for other options.

Acetaminophen/Phenylephrine/Dextromethorphan/Guaifenesin tablets

• Each tablet contains 325 mg of acetaminophen, 10 mg of dextromethorphan, 200 mg of guaifenesin, and 5 mg of phenylephrine.
• Adults and children 12 years and older: The typical dose is 2 tablets by mouth every 4 hours as needed for cold and flu symptoms. Don't take more than 10 tablets in a 24-hour period.
• Children under age 12: Don't use. Ask your child's pediatrician for other options.