Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Chloroquine resistance countries Plaquenil and hydroxychloroquine It is available for oral administration as hydroxychloroquine sulfate plaquenil of which 200 mg contains 155 mg base in chiral form. Hydroxychloroquine has similar pharmacokinetics to chloroquine, with quick gastrointestinal absorption and is eliminated by the kidney. Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Visit for more details. Note Hydroxychloroquine sulfate 200 mg is equivalent to 155 mg hydroxychloroquine base and 250 mg chloroquine phosphate. All doses below expressed as hydroxychloroquine sulfate. Lupus erythematosus off-label dose Oral 200 to 400 mg daily as a single daily dose or in 2 divided doses Lam 2016; Tsang-A-Sjoe 2015. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Hcq 200 hydroxychloroquine sulfate Hydroxychloroquine - Wikipedia, Hydroxychloroquine Oral Tablet 200Mg Drug Medication. Autophagic flux chloroquineHydroxychloroquine treats what conditionsBrand name for hydroxychloroquine Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Hydroxychloroquine Oral Tablet 200Mg Drug Medication Dosage.. Hydroxychloroquine Sulfate - Local Health RX. Hydroxychloroquine - Side Effects, Dosage, Interactions.. HCQ Hydroxychloroquine Sulfate 200 mg Pill with imprint HCQ is White, Elliptical / Oval and has been identified as Hydroxychloroquine Sulfate 200 mg. It is supplied by Winthrop. Hydroxychloroquine is used in the treatment of lyme disease, arthritis; dermatomyositis; malaria; malaria prevention; rheumatoid arthritis and belongs to the drug classes antimalarial quinolines, antirheumatics. FDA has not classified the drug for risk during pregnancy. Hydroxychloroquine. Hydroxychloroquine HCQ is a 4-aminoquinoline that differs from chloroquine CQ only by the addition of a hydroxyl group decreasing its toxicity while conserving its efficacy. Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects.