Phenergan
from class: Pharmacology for Nurses Definition Phenergan, also known as promethazine, is an antihistamine used to treat nausea and vomiting. It also has sedative properties which can be beneficial in the management of motion sickness and allergic reactions.
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Predict what's on your test 5 Must Know Facts For Your Next Test Phenergan works by blocking histamine receptors in the brain to reduce nausea. It can be administered orally, rectally, or via injection. Common side effects include drowsiness, dizziness, and dry mouth. It is contraindicated in patients with severe respiratory depression or those under two years of age. Phenergan may interact with other CNS depressants, enhancing their sedative effects. Review Questions What is the primary mechanism of action of Phenergan in treating nausea? What are some common side effects associated with Phenergan? Why is Phenergan contraindicated in young children?
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