It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Plaquenil anti inflammatory Increase in malaria deaths after chloroquine failure Generic Plaquenil Availability. Plaquenil is a brand name of hydroxychloroquine, approved by the FDA in the following formulations PLAQUENIL hydroxychloroquine sulfate - tablet;oral Manufacturer CONCORDIA Approved Prior to Jan 1, 1982. Drug Class. Antimalarial quinolines Antirheumatics. Recently Approved. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. If not initiated prior to entering malarious area, manufacturer recommends a loading dose of 620 mg 800 mg of hydroxychloroquine sulfate followed by usual dosage. 109 If exposure occurred in areas where P. ovale or P. vivax is endemic, terminal prophylaxis with 14-day regimen of primaquine may be indicated; The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Hydroxychloroquine sulfate drug class Hydroxychloroquine Oral Tablet 200Mg Drug Medication., Hydroxychloroquine Plaquenil Side Effects & Dosage for. How to taper off of plaquenilHydroxychloroquine 200 mg oral tabWhat elements are in chloroquinePlaquenil cdcChloroquine in amoebic liver abscess Hydroxychloroquine sulfate. Drug Class DMARDs Brand Names Plaquenil. Dosages. 200 to 600 mg per day in one or two doses. Dosages for children The dosages listed above are those typically prescribed for adults aged 18-65. Dosages for children can vary. Ask your doctor about the appropriate dosage for your child. Hydroxychloroquine sulfate - Arthritis Foundation. Hydroxychloroquine Sulfate -. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. 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. The molecular weight of hydroxychloroquine sulfate is 433.95, and molecular formula is C 18 H 26 ClN 3 O. H 2 SO 4. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. It belongs to a class of medications known as disease-modifying antirheumatic drugs DMARDs. It can reduce skin problems in lupus and prevent swelling/pain in arthritis, though it is not known.