What are hydroxychloroquine tablets used for?

Hydroxychloroquine tablets are primarily used for two purposes:

Treating and preventing malaria: It works by killing the parasite that causes malaria.
Treating autoimmune diseases: This includes conditions like lupus and rheumatoid arthritis. It helps by suppressing the overactive immune system that causes these diseases.
Important to note: Hydroxychloroquine is not recommended for treating COVID-19.

What are hydroxychloroquine tablets used for?