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. Is chloroquine a quinoline Hydroxychloroquine and supporting supplements Chloroquine ocular side effects Plaquenil macular toxicity oct Mar 17, 2019 Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage. Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America. 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. Hydroxychloroquine 200 Hydroxychloroquine Oral Route Proper Use - Mayo Clinic, Hydroxychloroquine Oral Uses, Side Effects, Interactions. Recommended dosage hydroxychloroquine The cost for hydroxychloroquine oral tablet 200 mg is around $92 for a supply of 50, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans. Hydroxychloroquine Prices, Coupons & Patient Assistance.. Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs.. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Sep 01, 2019 Hydroxychloroquine Tablets - Clinical Pharmacology. Pharmacokinetics. Following a single 200 mg oral dose of hydroxychloroquine sulfate to healthy males, the mean peak blood concentration of hydroxychloroquine was 129.6 ng/mL, reached in 3.26 hours with a half-life of 537 hours 22.4 days. Hydroxychloroquine is a prescription drug. It comes as an oral tablet. Hydroxychloroquine is available as the brand-name drug Plaquenil. It’s also available in a generic version. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments.