Which statement correctly describes acetaminophen in relation to NSAIDs?

• A. Acetaminophen is an NSAID with anti-inflammatory action
• B. Acetaminophen is an opioid
• C. Acetaminophen is not an NSAID
• D. Acetaminophen has NSAID properties but no analgesic effect

Answer: (C)

Acetaminophen is not an NSAID. It provides pain relief and fever reduction, but it does not have meaningful anti-inflammatory effects in peripheral tissues. NSAIDs work by inhibiting cyclooxygenase enzymes in the body's periphery, which lowers prostaglandin production and produces anti-inflammatory effects. Acetaminophen’s mechanism is mainly central, acting in the brain to reduce pain and fever with minimal peripheral anti-inflammatory action. It also doesn’t affect platelet function like many NSAIDs, and its safety profile is different—most notably the risk of severe liver injury with overdose. So the statement that acetaminophen is not an NSAID accurately captures its distinct pharmacologic profile.