Nausea refers to the feeling of an imminent desire to vomit where as vomiting refers to the forceful oral expulsion of gastric contents. They may occur independently of each other but generally are closely related. They are common manifestations of many organic and functional disorders. One should therefore look for and correct any underlying causes. Effective therapy usually depends on correction of the underlying cause.
Treatment
Non-drug treatment:
Removal of the underlined cause, correct dehydration, if any
Drug treatment:
First line
Meclizine hydrochloride, 25-50mg. p.o
S/E: sedation.
C/I: active work such as driving
Dosage forms: Tablets, 12.5mg, 25mg
Alternative
Metoclopramide, 10mg, p.o. tid or im or iv 1 - 3 times a day. For children: maximum 0.5 mg/kg daily
(For S/E, C/I and Dosage forms, see page 132)
OR
Chlorpromazine, 12.5 - 25 mg IM 12 hrly
(For S/E, C/I and Dosage forms, see page 45)