Hydroxychloroquine (HCQ) and hydroxychloroquine 200 sulfate (HCQS) are prescription drugs that are used to treat certain autoimmune diseases, like rheumatoid arthritis and lupus. These two medications are in the class of drugs called antimalarial agents, which also includes chloroquine, quinine and mefloquine.This class of drugs was first discovered in the late 1930s, as scientists were attempting to create new treatments for it, which is caused by the malaria parasite and can be fatal if left untreated. What is hydroxychloroquine? Hydroxychloroquine is an anti-malarial drug that has been used for decades to treat and prevent a variety of conditions including malaria,…
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