Promethazine has strong sedative and weak antipsychotic effects. Promethazine reduces motion sickness and has antiemetic and anticholinergic properties. The apparent ability of topical H1r/2r antagonists to target epidermal H1/2r is translated into increased efficacy in the treatment of inflammatory dermatoses, likely due to decreased inflammation and enhanced barrier function.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
Topical promethazine side effects: our experience and review of the literature.
Cantisani C, et al. Biomed Res Int. 2013;2013:151509. PMID: 24350243.
|Related Histamine Receptor Products|
Fexofenadine is a nonsedating antihistamine drug which is indicated for treatment of seasonal allergic rhinitis.
|Roxatidine Acetate HCl
Roxatidine Acetate HCl is a specific and competitive histamin H2-receptor antagonist, with IC50 of 3.2 μM, inhibits gastric acid secretion and ulcer formation.
Ranitidine is a histamine H2-receptor antagonist, used to treat stomach or intestinal ulcers.
Mizolastine is a histamine H1-receptor antagonist with IC50 of 47 nM used in the treatment of hay fever (seasonal allergic rhinitis), hives and other allergic reactions.
Loratadine is a histamine H1 receptor antagonist, used to treat allergies. Also acts as a selective inhibitor of B(0)AT2 with IC50 of 4 μM.
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