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Mucinex Fast-Max Congestion And Headache Clear & Cool Side Effects

Generic name: acetaminophen / guaifenesin / phenylephrine

Medically reviewed by Drugs.com. Last updated on Mar 25, 2024.

Note: This document provides detailed information about Mucinex Fast-Max Congestion and Headache Clear & Cool Side Effects associated with acetaminophen / guaifenesin / phenylephrine. Some dosage forms listed on this page may not apply specifically to the brand name Mucinex Fast-Max Congestion and Headache Clear & Cool.

Applies to acetaminophen / guaifenesin / phenylephrine: oral liquid.

Serious side effects

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

Other side effects

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

More about Mucinex Fast-Max Congestion and Headache Clear & Cool (acetaminophen / guaifenesin / phenylephrine)

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Further information

Mucinex Fast-Max Congestion and Headache Clear & Cool side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.