血防846(六氯对二甲苯)粉剂不溶于水,口服吸收量仅为油剂1/10;曾用其20%油剂口服治疗血吸虫病,但油腻和特殊气味颇为难服。而血防846片剂和乳干粉吸收不全,临床疗效不佳。西南制药三厂试制血防846滴丸,采用聚乙二醇为固体分散剂,使血防846呈分散状态,口服较易吸收。本文报告该滴丸的毒性和疗效的实验研究。 Blood protection 846 (hexachloro paraxylylene) powder insoluble in water, oral absorption of only oil 1/10; had used its 20% ointment for oral treatment of schistosomiasis, but greasy and special smell is quite difficult to take. The blood-846 tablets and dry powder absorption, poor clinical efficacy. Southwest Pharmaceutical Factory trial of 846 drops of blood prevention pills, the use of polyethylene glycol as a solid dispersant, the blood defensive state 846 was dispersed, more easily absorbed orally. This article reports the toxicity and efficacy of the drop pill experiment.