| 摘要 |
Treating agents for pruritus cutanea containing, as active ingredient, antagonists of leukotriene C4 or D4, especially 8-¢p-(4-phenylbutoxy)benzoyl!amino-2-(tetrazol-5-yl)-4-oxo-4H-1-benzopyran, of the formula: (I) <IMG> or non-toxic salts thereof or hydrates thereof. It is useful for the treatment of pnuritus cutanea, for example, pruritus cutanea induced by hemodialysis.
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