Antiemetics medicine
                     Antiemetics
Prevent nausea and vomiting
Antiemetics are drugs that are used to cure 
or prevent nausea and vomiting. They 
function by either inhibiting signals in the 
body that cause vomiting or by decreasing 
activity in the areas of the brain that 
regulate nausea and vomiting. Antiemetic 
medicines are classified into numerous classes, 
which include:
Serotonin antagonists:
Ondansetron, granisetron, and 
palonosetron are medications that 
inhibit serotonin receptors in the 
gastrointestinal and central 
nervous system, reducing nausea 
and vomiting.
Dopamine antagonists:
To reduce nausea and vomiting, 
medications such as metoclopramide 
and prochlorperazine block 
dopamine receptors, especially in 
the brain.
Antihistamines
Antiemetic characteristics of 
certain antihistamines, such as 
dimenhydrinate (Dramamine) and 
meclizine, make them often used 
for motion sickness and other 
causes of nausea.
Cannabinoids
Cannabinoids, such as dronabinol 
and nabilone, are synthetic 
cannabinoids that can be used to 
treat vomiting and nausea caused 
by chemotherapy or other medical 
disorders.
Benzodiazepines
To treat nausea and vomiting 
caused by anxiety or anticipatory 
sickness, medications such as 
lorazepam and diazepam can be 
administered.
Corticosteroids
To minimize chemotherapy-induced 
nausea and vomiting, drugs such as 
dexamethasone and 
methylprednisolone are often used 
as part of chemotherapy regimens.
Prokinetic agents
To minimize chemotherapy-induced 
nausea and vomiting, drugs such as 
dexamethasone and 
methylprednisolone are widely used 
in chemotherapy regimens.
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