Gout and pseudogout Quiz: Ace Your Exams

A 58-year-old woman comes to the PA complaining of severe left hip pain for the past day. She states the hip feels warm and looks enlarged. The patient has had multiple similar episodes in her knees, hips, and wrists over the last few years, for which she took ibuprofen as needed. Past medical history is significant for hypertension and type II diabetes mellitus, which are well managed with lisinopril and metformin, respectively. Vital signs are within normal limits. Physical examination shows an erythematous and swollen left hip joint. It is tender to palpation with decreased active and passive range of motion. Arthrocentesis of the left hip is performed. Gram stain is negative. Polarized light microscopy shows rhomboid-shaped, weakly positively birefringent crystals. After further discussion, the physician and patient agree on initiating long-term therapy with a medication that inhibits microtubule polymerization to reduce the recurrence rate of similar episodes. Which of the following medications was most likely prescribed?