Review Question - QID 212362

A 41-year-old woman arrives at her primary care physician with abnormal labs. She states that 1 week ago she had laboratory work done as part of her company’s health initiative. During the past month, she has been walking 3 miles a day and has increased the amount of fruits and vegetables in her diet. Her medical history is significant for obesity, hypertension, and obstructive sleep apnea. She takes hydrochlorothiazide and wears a continuous positive airway pressure machine at night. Her temperature is 98.7°F (37°C), blood pressure is 118/71 mmHg, pulse is 78/min, respirations are 12/min, and oxygen saturation is 98% on room air. Her recent labs are shown below:

Serum:
Na+: 140 mEq/L
K+: 4.1 mEq/L
Cl-: 101 mEq/L
BUN: 16 mg/dL
Glucose: 95 mg/dL
Creatinine: 0.9 mg/dL

Total cholesterol: 255 mg/dL (normal < 200 mg/dL)
Low-density lipoprotein (LDL) cholesterol: 115 mg/dL (normal < 100 mg/dL)
High-density lipoprotein (HDL) cholesterol: 40 (normal > 50 mg/dL)
Triglycerides: 163 mg/dL (normal < 150 mg/dL)

The patient is started on atorvastatin. Which of the following is the most common adverse effect of the patient’s new medication?