Many medicines are available for travel sickness. They include hyoscine, various antihistamines and other phenothiazine derivatives, all of which can cause drowsiness; although a problem to drivers, this sedative effect may be helpful for children or for those travelling long distances by plane. Phenothiazine derivatives that provide appropriate anti-labyrinthine activity include prochlorperazine (Stemetil), promethazine hydrochloride (Phenergan) and promethazine theoclate (Avomine). Combination antihistamine and hyoscine preparations for travel sickness include Travacalm and Benacine (Table 12.6).
Hyoscine comes in tablet form, either alone or in combination and in the now popular adhesive patches.
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