A Case of Drug-Induced Cystitis Associated With a Multicomponent Herbal Formulation Involving Yokuinin-To

Taro Bando1, Kazunobu Aramaki1, Yuto Tsubonuma2

  • 1Urology, Local Incorporated Administrative Agency Kurate Hospital, Kurate, JPN.

Cureus
|July 16, 2026
PubMed
Summary

Traditional Japanese Kampo formulations are widely used but can cause adverse events. This case highlights potential drug-induced cystitis from a Kampo herbal medicine, emphasizing the need for awareness.

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