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acetaminophen
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A bottle of Tylenol Extra Strength Rapid Release Gels with red and blue capsules scattered around its base.
How does Tylenol work to relieve pain?
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A bottle of Tylenol Extra Strength Rapid Release Gels with red and blue capsules scattered around its base.
Acetaminophen Extra Strength Tylenol, in which a 500-mg dose of acetaminophen is enclosed in each gelatin-coated capsule.

acetaminophen

chemical compound
Also known as: N-acetyl-p-aminophenol, N-para-hydroxy-phenylacetamide, N-para-hydroxyphenylacetamide, paracetamol(Show More)
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acetaminophen, drug used in the treatment of mild to moderate pain, such as headache and pain in joints and muscles, and to reduce fever. The drug is marketed under several trade names, including Tylenol, Tempra, and Panadol, and outside the United States it is known as paracetamol. Acetaminophen is the major metabolite of acetanilide and phenacetin, which were once commonly used drugs, and it is responsible for their analgesic (pain-relieving) effects. The exact mechanism by...

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