A provider evaluates a patient on day 5 of trimethoprim-sulfamethoxazole therapy for a urinary tract infection. The patient reports new onset of low-grade fever, generalized malaise, and a diffuse erythematous rash involving the trunk. Vital signs are stable. What is the most appropriate next step in management?

A 27-year-old patient presents with confirmed gonococcal pharyngitis after oral sexual exposure. The patient weighs 160 kg. Which treatment regimen is most appropriate?

A 78-year-old woman with CKD is admitted with hypervolemic hyponatremia (Na⁺ 119 mEq/L) and mild confusion. Conivaptan is initiated. Which of the following best describes its mechanism and most important safety concern?

A provider prescribes erythromycin for a respiratory infection in a patient taking diltiazem. Which is the most significant risk associated with this combination?

A provider is prescribing a cephalosporin for a patient with a history of penicillin allergy characterized by anaphylaxis. Which action is most appropriate?

A provider evaluates a patient on day 5 of trimethoprim-sulfamethoxazole therapy for a urinary tract infection. The patient reports new onset of low-grade fever, generalized malaise, and a diffuse erythematous rash involving the trunk. Vital signs are stable. What is the most appropriate next step in management?

A provider is reviewing antibiotic mechanisms with a graduate student. Which statement best describes the mechanism of action of tetracyclines?

A provider is prescribing TMP-SMX for a patient with a UTI. The patient’s medications include lisinopril, and metformin. Which adverse effect should be most closely monitored?

A provider is treating a patient with metronidazole for a confirmed bacterial vaginosis. Which patient education point is most essential?

A provider is prescribing TMP-SMX for a patient with a UTI. The patient’s medications include lisinopril, and metformin. Which adverse effect should be most closely monitored?