Pharmacology · single question
What is the mechanism of action of ibuprofen?
Show answer and explanation
Correct answer: A. Non-selective cyclooxygenase (COX-1/COX-2) inhibitor
- A. Correct. Ibuprofen reversibly and non-selectively inhibits both COX-1 and COX-2, reducing prostaglandin synthesis.
- B. Selective COX-2 inhibition describes celecoxib, not ibuprofen.
- C. Irreversible COX inhibition describes aspirin.
- D. Ibuprofen does not act on the lipoxygenase pathway.