The drug Hydroxychloroquine is a common drug which is used to stop and combat acute attacks of malaria. Additionally, it is used in rheumatology to manage issues such as discoid lupus , systemic lupus erythematosus, and RA. It seems to be particularly effective for people whose symptoms may require such intervention. https://curationofknowledge.com/2021/01/29/the-politics-of-hydroxychloroquine/