<unk>  is an antimalarial drug, sold under the trade names Plaquenil, Axemal (in India), Dolquine and Quensyl, also used to reduce inflammation in the treatment of rheumatoid arthritis (see disease-modifying antirheumatic drugs) and lupus.<unk>  differs from chloroquine by the presence of a hydroxyl group at the end of the side chain: The N-ethyl substituent is beta-hydroxylated.  It is available for
oral administration as<unk>  (plaquenil) of which 200 mg contains 155 mg base
in chiral form.<unk>  has similar pharmacokinetics to chloroquine, with quick gastrointestinal absorption and is eliminated by the kidney. Cytochrome P450 enzymes (CYP 2D6, 2C8, 3A4 and 3A5) N-desethylated<unk>  to Ndesethylhydroxychloroquine.
Hydroxychloroquine sulfate
Teriflunomide
Cyclizine
Azathioprine
Etanercept
Leflunomide
Glatiramer acetate
Fexofenadine hydrochloride