Supportive therapy of symptoms of vertigo, dizziness, tinnitus, nystagmus & vomiting. Supportive therapy of cerebrovascular disturbances including vascular headaches, irritability, memory loss & difficulty in concentration. Supportive therapy of peripheral circulatory disorders including Reynaud's phenomenon, acrocyanosis, trophic disorders & varicose ulcers, paresthesia, nocturnal cramps & cold extremities. Prophylaxis against travel sickness. Migraine prophylaxis.