- Dipenhydramine
Diphenhydramine falls in the same group of dimenhydrinate as aminoalkyl esters. This drug is usually used for its anti- allergic effect for hay fever, utricaria and other skin allergies and also as an antitussive. It has an antispasmodic and a sedative property that this can also be used as an anti-emetic.
- Hyoscine-N-Butylbromide
Hyoscine is an anti-spasmodic medicine, indicated for smooth muscle spasm in the GIT including biliary and renal colic. Parenterally or through injection, it is used as an aid in diagnostic and therapeutic procedures like gastroduodenal endoscopy and radiology. Hyoscine is not normally used as an anti-emetic because of its other popular uses, but it can also be an effective remedy for motion-sickness.
Common brand names: Buscopan, Ascopen,Buscomed, Busopin.
- Domperidone
Domperidone is commonly used for its prokineticactions in the gastro intestinal motility. It is considered as an anti-emetic but not suitable for chronic nausea and vomiting.
Common brand names: Motilium, Andiogan, Domphenyl, Domper, Gasidone, Gilax.