<unk>  is a piperazine derivative with histamine H1-receptor antagonist (antihistamine) activity. The precise mechanism of action in inhibiting the symptoms of motion sickness is not well understood. It may have effects directly on the vestibular system and on the chemoreceptor trigger zone.<unk>  exerts a central anticholinergic (antimuscarinic) action.
Cyclizine
Prednisone
Prednisolone
Hydroxychloroquine
Methylprednisolone succinate
Azathioprine
Methylprednisolone
Ciclosporin