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Trials in emergency department settings support the use of ondansetron to abort vomiting episodes associated with gastroenteritis and dehydration. [20] A randomized controlled trial using a single dose of oral ondansetron in children with presumably viral gastroenteritis found it to be highly effective in stopping vomiting and increasing the effectiveness of oral rehydration therapy, thereby ...
Promethazine (Pentazine, Phenergan, Promacot) can be administered via a rectal suppository, intravenous injection, oral tablet or oral suspension for adults and children over 2 years of age. Hydroxyzine (Vistaril) Cannabinoids are used in patients with cachexia, cytotoxic nausea, and vomiting, or who are unresponsive to other agents. These may ...
The development of selective 5-HT 3 receptor antagonists was a dramatic improvement in the treatment of nausea and vomiting. [30] Ondansetron, granisetron, dolasetron and palonosetron are currently approved in the United States, and form the cornerstone of therapy for the control of acute emesis with chemotherapy agents with moderate to high ...
They are efficacious in treating chemotherapy-induced emesis and postoperative nausea and vomiting. [1] They include, but are not limited to: Dolasetron; Granisetron; Ondansetron; Palonosetron; Tropisetron; Other 5-HT 3 antagonists have been considered for use in the treatment of irritable bowel syndrome: Alosetron; Cilansetron
The neurotransmitters implicated in the control of nausea and vomiting include acetylcholine, dopamine, histamine (H1 receptor), substance P (NK-1 receptor), and serotonin (5-HT3 receptor). There are also opioid receptors present, which may be involved in the mechanism by which opiates cause nausea and vomiting.
Nausea and vomiting associated with migraine headaches respond best to dopamine antagonists such as metoclopramide, prochlorperazine, and chlorpromazine. [22] In cases of gastroenteritis, serotonin antagonists such as ondansetron were found to suppress nausea and vomiting, as well as reduce the need for IV fluid resuscitation. [ 22 ]
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Patients will often receive a combination of 5-HT 3 receptor antagonists (e.g. ondansetron), corticosteroids, and benzodiazepines before chemotherapy to prevent nausea. These medicines are also effective after nausea develops, as are phenothiazines. Each person's sensitivity to nausea and vomiting varies.
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