How to say “I just need a bandage. Is there one in the medicine cabinet?” in Japanese

In Japanese

絆創膏(ばんそうこう)が1枚(いちまい)ほしいんだけど、薬品棚(やくひんだな)に入(はい)ってる？

Bansōkō ga ichi-mai hoshii n da kedo, yakuhindana ni haitteru?