Alternating hemiplegia of childhood=Alternating hemiplegia of childhood is a rare and poorly understood clinical syndrome that has hemiplegia as the major feature. The syndrome has been linked to migraine, epilepsy and familial paroxysmal choreoathetosis. Cranial nerve dysfunctions are very rare in Alternating hemiplegia of childhood. We present a child with Alternating hemiplegia of childhood who had two attacks associated with ptosis . Flunarizine therapy was started to prevent a new attack of Alternating hemiplegia of childhood and she has remained free of symptoms with no residual signs during the 18-month follow-up period. As in our case, different forms of Alternating hemiplegia of childhood may be seen and an attack including hemiplegia-ptosis may become an Alternating hemiplegia of childhood episode. ©2006, Fırat Üniversitesi, Tıp Fakültesi