Abstract
The dose/response curves for the protective effects of the new antihistamine compounds trimeprazine, 10-(3-diethylamino-2-methylpropyl)phenothiazine 1,1-dioxide hydrochloride (oxomemazine hydrochloride), cyproheptadine, homochlorcyclizine and methotrimeprazine against the anaphylactic microshock of the guinea-pig were similar to that of promethazine. The first three compounds, however, protected at lower doses than promethazine (5 to 10 μg/kg). The protective effect of cyproheptadine lasted longer than 24 hr.
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Selected References
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