Abstract
Topiramate is an anticonvulsant that is labeled for the management of several seizure types in children >2 years of age. With the exception of cognitive dysfunction, nephrolithiasis, weight loss, and paresthesia, adverse effects in children are similar to other those noted with other anticonvulsants. We describe a 33-month-old child with complex partial seizures and secondary generalization who received topiramate 45 mg orally twice daily (6.2 mg/kg/d) for approximately 4 weeks before admission. He developed asymptomatic metabolic acidosis that was evidenced by a decrease in HCO3−, which was unresponsive to treatment with sodium bicarbonate. The child was weaned off topiramate and the metabolic acidosis resolved 48 hours after its discontinuation.
Keywords: adverse effects, child, metabolic acidosis, topiramate, pediatrics,
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