Promethazine (hydro<wbr/>chloride)

Promethazine (hydrochloride)

CAT N°: 16478
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Promethazine is a first-generation histamine H1 receptor antagonist (Ki = 0.98 nM for the human receptor).{40358} It is selective for histamine H1 over H3 and H4 receptors (Kis = >100 and 77.6 µM, respectively, for the human receptors). Promethazine also binds muscarinic acetylcholine receptors (mAChRs; Ki = 22 nM).{23214} It inhibits histamine-induced paw edema and acetic acid-induced writhing in mice (ED50s = 5.9 and 11.8 mg/kg, respectively).{25628} Promethazine (32 mg/kg) decreases the number of motion-induced vomiting episodes in S. murinus.{26898}

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