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[Therapy of epilepsy in the elderly].

The incidence of epileptic seizures is high in childhood, but shows regression during adult life until the age of 65 when there is again a marked, age-dependent increase in frequency. The specific problems of anticonvulsive therapy in the elderly are discussed in the light of the sparse literature on this subject. Pathophysiological influences of aging on the pharmacodynamics and pharmacokinetics of antiepileptic drugs have to be taken into account, such as changes in the renal, hepatic and intestinal functions as well as increased neuronal receptor sensitivity, among other factors. The optimal time to start therapy is controversial. In selecting the antiepileptic drug, particular attention must be paid on cognitive dysfunction and impairment of impulse conduction. Moreover, age-dependent side effects, as well as possible additive effects due to interaction with other medication have to be taken into consideration. In view of the high rate of relapses great caution has to be taken to withdraw the antiepileptic drugs in completion of the therapeutic regimen.