Antiepileptics · Pharmacology

Topiramate is frequently used for seizure prophylaxis and migraine. Which of the following is a common side effect of this medication?

  1. Weight gain
  2. Hypercalcemia
  3. Increased sweating
  4. Nephrolithiasis
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Correct answer: Nephrolithiasis

Topiramate is a weak inhibitor of carbonic anhydrase, which can lead to metabolic acidosis and the formation of calcium phosphate kidney stones (nephrolithiasis). It is also notably associated with weight loss and cognitive slowing.

Difficulty: Medium Question 9 of 20

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