PURPOSE:An anti-shock agent for recovering abrupt reduction in blood pressure such as especially a large amount of bleeding, drug poisoning), anaphylaxis, etc., remedying effectively shock symptoms, having actions different form those of existing vasodilator, containing PGD2 or PGE1 as an active ingredient. CONSTITUTION:An anti-shock agent containing PGD2 or PGE1 as an active ingredient. PGD2 and PGE1 recover abrupt reduction in blood pressure such as a large amount of bleeding, drug poisoning, anaphylaxis, circulatory organ disorders, etc., and remedy effectively shock symptoms. Although PG compound have low solubility and are unstable, formation of inclusion compound with a cyclodextrin, preferably gamma-cyclodextrin gives powder with high stability and solubility and an anti-shock agent in a good injection state or in ampul state is prepared.
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