hydroxychloroquine
noun
hy·droxy·chlor·o·quine
| \ -ˈklōr-ə-ˌkwēn, -kwin
\
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Medical Definition of hydroxychloroquine
: a drug derived from quinoline that is administered orally in the form of its sulfate C18H26ClN3O·H2SO4 to treat malaria, rheumatoid arthritis, and lupus erythematosus — see plaquenil