NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is not a recommended use of Mefloquine due to possible side effects?

Arrhythmias
Visual changes
Diabetes
G6PD deficiency

The correct answer is: Arrhythmias

Mefloquine is an antimalarial drug that is effective in preventing and treating malaria. However, one of the notable side effects of Mefloquine is its potential to cause arrhythmias (irregular heartbeats). Due to this side effect, Mefloquine is not recommended for individuals with a history of arrhythmias or certain cardiac conditions. It is crucial to assess the patient's cardiac health before prescribing Mefloquine to avoid any potential complications. Therefore, the correct answer is A, arrhythmias, as it is a side effect that contraindicates the use of Mefloquine in certain individuals. Visual changes, diabetes, and G6PD deficiency are not typically contraindications for the use of Mefloquine. While these conditions may require monitoring or special considerations, they are not absolute contraindications like arrhythmias.