A 56-year-old man presents to the emergency room with nausea, vomiting, muscle cramps, and weakness that began three days ago. Five days ago, he started taking Penicillin G for acute pharyngitis and has been using it regularly along with his other medications: lisinopril, atorvastatin, and spironolactone. On physical examination, he appears anxious and distressed, has difficulty walking, and shows decreased sensations and reflexes in all four extremities. Laboratory studies reveal a potassium level of 6.8 mmol/L. An ECG reveals changes consistent with hyperkalemia. Which of the following medications can contribute to this condition?
