hydroxychloroquine hydroxybutyric acid • hydroxyketone · · · Info · Definitions · Synonyms · Characters · · hydroxychloroquine · · Text Latin · · Script 18 · · Length 7 · · Syllables Definitions · · · (noun) anti-inflammatory drug (trade name Plaquenil) used in the treatment of rheumatoid arthritis and malaria and lupus erythematosus. Synonyms: Plaquenil. · · Noun Definition 1 Synonyms · · · plaquenil · · Synonym 1 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F q latin small letter q U+0071 r latin small letter r U+0072 u latin small letter u U+0075 x latin small letter x U+0078 y latin small letter y U+0079