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Headache and Migraine Glossary: Acetaminophen

by Teri Robert
for About.com

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition: analgesic often used in place of aspirin. Works as a pain killer and fever reducer, but does not have the anti-inflammatory action of aspirin. More easily tolerated than aspirin for many as it does not irritate the stomach as much. Acetaminophen is available by itself over-the-counter as well as in compound prescription medications such as Tylenol #3, Percocet, Darvocet, etc. Taking Acetaminophen or other medications containing acetaminophen more than two or three days a week can cause rebound headache.
Also Known As: Tylenol
Common Misspellings: acetaminofen
Examples: Acetaminophen is often used for pain, but has no anti-inflammatory properties.
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