antiemetic drugs - A group of drugs used to treat nausea and vomiting. Antihistamine drugs and anticholinergic drugs reduce vomiting in motion sickness, vertigo, and Ménière’s disease.
The most powerful antiemetics are used to control nausea and vomiting associated with radiotherapy or anticancer drugs. These drugs include serotonin antagonists such as ondansetron and nabilone.
Antiemetics are not normally used in the treatment of food poisoning because the body needs to rid itself of harmful substances. Only certain antiemetics can be used to treat vomiting in early pregnancy because damage to the developing fetus may occur. Many antiemetics cause drowsiness.
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