Your search for "整腸通便藥" revealed the following:

【Third Class Drugs】KOWA the guard α3+ Intestinal Laxative 550 Tablets

【Third Class Drugs】KOWA the guard α3+ Intestinal Laxative 350 Tablets

【Third Class Drugs】KOWA the guard α3+ Intestinal Laxative 150 Tablets

[2 drugs] [Taisho Pharmaceutical] Constipation medicine 350 pieces

[Designated quasi-drugs] Xinbiofermin/Xinbiao Feiming S Lactic Acid Bacteria Intestinal Medicine 540 Tablets

Wakamoto 若元錠益生菌 腸道順暢整腸藥 240錠【指定醫藥部外品】

[Class 3 pharmaceuticals] Ota's Isan Intestinal Medicine 160 Tablets / 370 Tablets (Large bottles will only be available in 2024)

[Designated quasi-drugs] Xinbiofermin/Xinbiao Feiming S Lactic Acid Bacteria Intestinal Medicine 350 Tablets

Taisho Pharmaceutical Intestine Remediation Tablets 270 Tablets

[Second-class pharmaceuticals] Taisho Pharmaceutical Colac Constipation Medicine 60 Tablets

[Class 3 pharmaceuticals] Kobayashi Pharmaceutical Gaspitan A Intestinal Regulator 36 Tablets

EBIOS Brewer's Yeast Lactobacillus Intestinal Medicine 504 Tablets

【Class 2 medicines】 Taisho Pharmaceutical Co., Ltd. コーラック II Guchang Laxative and Intestinal Pills 2nd Generation (120 Capsules)

[Second-Class Medical Drugs] Kato Suisongdo Pharmaceuticals Hyakuduxiashi Constipation Stomach Medicine 1152 Tablets

【Quasi-drugs】MIYARISAN Strong Miaolisan

武田製藥 百賜益BIO THREE H 整腸益生菌 36包【醫藥部外品】

【Quasi-drugs】TAKEDA BIO THREE Probiotic Intestinal Tablets 270 Tablets

[Class 2 medicines] Huanghantang Pharmaceutical ビューラック Qingchang laxative constipation pills 400 capsules

[Designated Class 2 Medicine] Kennomaru Kenoumaru Constipation Medicine 1200 Tablets