单词	prochlorperazine
释义	prochlorperazine /ˌprəʊklɔːˈpɛrəziːn / noun [mass noun] Medicine A synthetic compound derived from phenothiazine, used as a tranquillizer.The phenothiazines prochlorperazine and chlorpromazine have been shown to reduce nausea and vomiting of pregnancy compared with placebo.... Several antiemetics, such as metoclopramide, chlorpromazine, prochlorperazine, and promethazine, are regarded as safe for use during pregnancy. The most effective medications at this time appear to be prochlorperazine, chlorpromazine and sumatriptan, each having a pain-relief efficacy in acute migraine of greater than 70 percent. Origin 1950s: from pro(pyl) + chlor(ine) + (pi)perazine.
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