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Impact of the COVID-19 outbreak on the reporting of adverse drug reactions associated with self-medication

Abstract : Objectives. - The primary objective of the present study was to describe the characteristics of adverse drug reactions (ADRs) linked to self-medication that were notified to the French Pharmacovigilance Database (FPVD) during the COVID-19 outbreak in 2020 first wave. The secondary objective was to compare the characteristics of these ADRs in 2020 with those notified during the same calendar period a year previously. Material and methods. - We analyzed ADRs recorded in the FPVD between March 15th and May 31st, 2020 vs. the same dates in 2019. Only ADRs linked to self-medication were analyzed. Descriptive statistics were used to obtain an overview of the types and characteristics of these ADRs. Results. - Of 3114 ADRs notified to the FPVD during the COVID-19 period in 2020, 114 (3.7%) were linked to self-medication. The equivalent proportion in 2019 was 1.6% (113 out of 7097). Half of the ADRs notified in 2020 were ``serious''. The median age of affected patients was 30.5, and 22% of the ADRs concerned children. Of the 114 ADRs linked to self-medication, 107 (66%) were for prescription-only drugs. The three mostly frequently suspected ATC classes were analgesics, psycholeptics, and antibacterials for systemic use. The most frequent ADRs were general disorders, gastrointestinal disorders, and nervous system disorders. The main difference between the non-COVID-19 period and the COVID-19 period was the higher proportion of medication errors during the latter. Conclusion. - The present study is the first to have reported on ADRs linked to self-medication and notified during a COVID-19 outbreak. Further studies of self-medication patterns and their consequences in a pandemic context are mandatory and effective information on medication use (including self-medication and its dangers) during a pandemic is essential. (C) 2021 Academie Nationale de Pharmacie. Published by Elsevier Masson SAS. All rights reserved.
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https://hal-u-picardie.archives-ouvertes.fr/hal-03578464
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Soumis le : jeudi 17 février 2022 - 11:59:04
Dernière modification le : mardi 22 février 2022 - 03:35:44

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M. Gras, Valérie Gras, J. Moragny, P. Delaunay, D. Laugier, et al.. Impact of the COVID-19 outbreak on the reporting of adverse drug reactions associated with self-medication. Annales Pharmaceutiques Francaises, 2021, 79 (5), pp.522-529. ⟨10.1016/j.pharma.2021.02.003⟩. ⟨hal-03578464⟩

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