Dif mech of action: Advil (ibuprofen) is in the category of non-steroid anti-inflammatory drugs. NSAIDs set off a cascade of chemical events that stop inflammation, pain, and swelling. Tylenol (acetaminophen) works centrally (brain/nervous system) to decrease pain/fever. Both have side effects: NSAIDs: tummy irritation, so take with food. Tylenol impacts other organ systems over time. Have your knee checked by doc -
Answered 4/20/2018
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