NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Study for the NAPLEX exam with a comprehensive quiz featuring multiple-choice questions and in-depth explanations. Build your pharmacological knowledge and increase your chances of passing the pharmacist licensure examination!

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Which of the following is not a noted side effect of macrolides?

QT prolongation
Hepatotoxicity
Photosensitivity
Increased K+

The correct answer is: Increased K+

Macrolides are antibiotics often prescribed to treat respiratory tract infections. Reports of QT prolongation and hepatotoxicity are common, but increased levels of potassium (hyperkalemia) is not a commonly noted side effect. Other known side effects of macrolides include nausea, vomiting, diarrhea, and abdominal pain. Therefore, increased K+ is the only option that is not a noted side effect of macrolides.