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Promethazine, sold under the brand name Phenergan among others, is a first-generation antihistamine, sedative, and antiemetic used to treat allergies, insomnia, and nausea. It may also help with some symptoms associated with the common cold [ 4 ] and may also be used for sedating people who are agitated or anxious, an effect that has led to ...
These agents also commonly have action at α-adrenergic receptors and/or 5-HT receptors. This lack of receptor selectivity is the basis of the poor tolerability profile of some of these agents, especially when compared with the second-generation H 1-antihistamines. Patient response and occurrence of adverse drug reactions vary greatly between ...
In 1947, it synthesized promethazine, a phenothiazine derivative, which was found to have more pronounced sedative and antihistaminic effects than earlier drugs. [ 59 ] : 77 A year later, the French surgeon Pierre Huguenard used promethazine together with pethidine as part of a cocktail to induce relaxation and indifference in surgical patients.
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 ...
An H 3-antihistamine is a classification of drugs used to inhibit the action of histamine at the H 3 receptor. H 3 receptors are primarily found in the brain and are inhibitory autoreceptors located on histaminergic nerve terminals, which modulate the release of histamine .
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Promethazine; Pizotifen is a 5-HT 2C antagonist, H1 blocker and anticholinergic useful in migraine prophylaxis. [citation needed] Also used in the treatment of migrane. Oxatomide; Oxetorone Also used in the treatment of migrane. Ketotifen
It is a typical antipsychotic which is believed to work by reducing the action of dopamine in the brain. [6] Prochlorperazine was approved for medical use in the United States in 1956. [6] It is available as a generic medication. [7]