All drugs work by some method of inhibiting prostaglandins, which starts a chain reaction that can control pain and inflammation.

Nonsteroidal anti-inflammatory drugs (NSAIDs) reduce the production of prostaglandins, which contribute to pain and inflammation. An anesthetic mainly blocks sensation, while an analgesic is a broad term for a pain reliever; the choice that specifically fits the prostaglandin mechanism is nonsteroidal anti-inflammatory.

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