Problem: A 42 year old female who is obese and has a Hx of gallstones and cholecystitis c/o superficial skin swelling and itching. PE by the PCP reveals skin erythema, tenderness and swelling consistent with cellulitis. The pt. is given a prescription for erythromycin. Which of the following effects must the treating provider be aware of? A. Cholestatic jaundice B. Tinnitus C. Nausea/vomiting D. Mild abdominal discomfort