His doctor said his kidney labs were fine — but 3 of his medications were affecting the results

Dear Doctor Roach: I’m a relatively healthy 54-year-old male. My daily medications are 20 mg of lisinopril, 20 mg of atorvastatin, and 145 mg of fenofibrate. I also take a 500-mg dose of naproxen on an as-needed basis for various aches and pains from military-service-related conditions. My naproxen intake varies anywhere from 0-4 doses per week. I exercise regularly and stay hydrated as well.