“…The suggested causal relationship between MS and epilepsy has not been proved or disproved, although the general view is that the risk of epilepsy is increased. In most publications, the prevalence of epilepsy varies from 1-4% (Muller, 1949;Williams et al, 1952;Abb and Schaltenrand, 1956;Drake and Macrae, 1961;Kurtzke, 1970;Cendrowski and Majkowski, 1972;Elian and Dean, 1977), but figures up to 10% have been presented (Fuglsang-Frederiksen and Thygesen, 1952). These figures may be misleading in that, with one exception (Elian and Dean, 1977), they are based on clinical patient series.…”