Caution should be exercised when Betahistine Dihydrochloride is given to patients with a history of peptic ulcer or asthmatic patients. Concomitant use with antihistamines should be avoided. There is insufficient data on the use of this medicine during pregnancy and lactation.
Effects on ability to drive and use of machines: Rare reports of drowsiness associated with betahistine have been made. Patients should be advised that if they are affected in this way they should avoid activities requiring concentration, such as driving and operating machinery.