What is an antiemetic?

Antiemetics are substances that can prevent or eliminate the vomiting. They are typically used during cancer chemotherapy, in case of nausea in the aftermath of surgery or just in case of sickness.

They are administered either orally (tablets, capsules …) or intravenously, depending on the intensity of symptoms. Emetic emein comes from the Greek meaning “vomit”. They are antagonists of neurotransmitters. They will somehow stimulate the vomiting center, located in the medulla oblongata. Clearly, they act on the brain nerve centers that control the vomiting. They may also act by relaxing the muscles of the lower stomach.


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