Hyperammonemia in asterixis induced by carbamazepine: two case reports.


Two patients developed asterixis while they were taking carbamazepine at "therapeutic" levels. The only laboratory abnormality was slight hyperammonemia. It occurred with normal hepatic function as a dose-related effect. In fact, the blood ammonia level decreased and asterixis ceased when carbamazepine was stopped or reduced in dosage. The relationship… (More)


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