 The COVID-19 pandemic has led to an increase in online purchases and interest in existing treatments. Dexamethasone, Hydroxychloroquine, and Lopinaviritanivir have been touted as potential COVID-19 treatments. This study aimed to assess the availability of these treatments online and evaluate the safety and marketing. This article was authored by Sachiko Ozawa, Joanna Billings, Yu Jiaosun, and others.