The impact of COVID-19 on hay fever treatment in Japan: A retrospective cohort study based on the Japanese claims database.

ABSTRACT:

Background

Hay fever (HF) presents with various symptoms, including allergic conjunctivitis and rhinitis, and requires cross-organ treatment. This study assessed the impact of the coronavirus disease 2019 (COVID-19) pandemic on HF treatment trends.

Methods

This retrospective cohort study utilized data from the JMDC database collected between January 2018 and May 2021. Patients with HF were identified based on the relevant International Classification of Diseases 10th Revision diagnosis codes and the prescription of HF-related medications. The treatment approaches were compared during the cedar and cypress pollen allergy season (January to May in Japan) before and during the COVID-19 pandemic (2018 and 2019, and 2020 and 2021, respectively).

Results

This study included

SUBMITTER: Akasaki Y 

PROVIDER: S-EPMC11406147 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature