Traditional & Kampo MedicineEarly View LETTER TO THE EDITOR Severe adverse reactions caused by Kampo formulas from the viewpoint of cases relieved by the Adverse Drug Reaction Relief System in 2021 Kazuo Yamada, Corresponding Author Kazuo Yamada [email protected] orcid.org/0000-0001-9219-6108 Division of Psychiatry, Tohoku Medical and Pharmaceutical University, Sendai, Japan Correspondence Kazuo Yamada, Division of Psychiatry, Tohoku Medical and Pharmaceutical University, 1-15-1 Fukumuro, Miyagino-ku, Sendai 983-8536, Japan. Email: [email protected]Search for more papers by this authorKensuke Usui, Kensuke Usui Division of Clinical Pharmaceutics and Pharmacy Practice, Tohoku Medical and Pharmaceutical University, Sendai, JapanSearch for more papers by this authorEiji Suzuki, Eiji Suzuki Division of Psychiatry, Tohoku Medical and Pharmaceutical University, Sendai, JapanSearch for more papers by this author Kazuo Yamada, Corresponding Author Kazuo Yamada [email protected] orcid.org/0000-0001-9219-6108 Division of Psychiatry, Tohoku Medical and Pharmaceutical University, Sendai, Japan Correspondence Kazuo Yamada, Division of Psychiatry, Tohoku Medical and Pharmaceutical University, 1-15-1 Fukumuro, Miyagino-ku, Sendai 983-8536, Japan. Email: [email protected]Search for more papers by this authorKensuke Usui, Kensuke Usui Division of Clinical Pharmaceutics and Pharmacy Practice, Tohoku Medical and Pharmaceutical University, Sendai, JapanSearch for more papers by this authorEiji Suzuki, Eiji Suzuki Division of Psychiatry, Tohoku Medical and Pharmaceutical University, Sendai, JapanSearch for more papers by this author First published: 03 June 2023 https://doi.org/10.1002/tkm2.1378Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL No abstract is available for this article. REFERENCES 1Tsukiyama K, Tasaka Y, Nakajima M, Hino J, Nakahama C, Okimoto N, et al. A case of pneumonitis due to sho-saiko-to. Nihon Kyobu Shikkan Gakkai Zasshi. 1989; 27: 1556– 61. 2Ohtsu K, Matsui T, Nishimura T, Hirai F, Ikeda K, Iwashita A, et al. Association between mesenteric phlebosclerosis and Chinese herbal medicine intake. Nihon Shokakibyo Gakkai Zasshi. 2014; 111: 61– 8. 3Arai I, Hagiwara Y, Motoo Y. Estimated incidence of adverse reactions to Kampo medicines in randomized controlled clinical trials. Tradit Kampo Med. 2018; 5: 106– 12. 4Arai I, Harada Y, Koda H, Tsutani K, Motoo Y. Estimated incidence per population of adverse drug reactions to Kampo medicines from the Japanese adverse drug event report database (JADER). Tradit Kampo Med. 2020; 7: 3– 16. 5 Pmda.go.jp [homepage on the internet]. Tokyo: Pharmaceuticals and Medical Devices Agency (PMDA). Available from: https://www.pmda.go.jp/relief-services/adr-sufferers/0011.html. 6 Pmda.go.jp [homepage on the internet]. Tokyo: Pharmaceuticals and Medical Devices Agency (PMDA). Available from: https://www.pmda.go.jp/files/000246325.pdf 7Shimada Y. Adverse effects of kampo medicines. Intern Med. 2022; 61: 29– 35. https://doi.org/10.2169/internalmedicine.6292-20 Early ViewOnline Version of Record before inclusion in an issue ReferencesRelatedInformation