Please review the following URL and make sure that it is spelled correctly. Hydroxychloroquine is in a class of drugs called antimalarials. What chloroquine Hydroxychloroquine and dry eyes Hydroxychloroquine and ed Autofluorescence imaging in plaquenil Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Plaquenil® is a 4-amino-quinoline antimalarial medication that is widely used to treat systemic lupus erythematosus SLE, rheumatoid arthritis, and related inflammatory and dermatological conditions. It is a hydroxylated version of chloroquine, with a similar mechanism of action. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine -sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. It is used to prevent and treat acute attacks of malaria. Hydroxychloroquine 200 mg used for Hydroxychloroquine Plaquenil Side Effects & Dosage for., Hydroxychloroquine DermNet NZ How much is chloroquinePsoriatic arthritis response to plaquenilWhat can happen if you stop taking plaquenil Hydroxychloroquine sulfate tablets, USP contain 200 mg hydroxychloroquine sulfate, USP equivalent to 155 mg base, and are for oral administration. Inactive Ingredients croscarmellose sodium, dibasic calcium phosphate dihydrate, maize starch, magnesium stearate, polyvinyl alcohol, polyethylene glycol, sodium lauryl sulfate, talc and titanium dioxide. Hydroxychloroquine Sulfate Tablets, USP 200 mg Rx only. Hydroxychloroquine - Wikipedia. What Is Hydroxychloroquine Used For?. Hydroxychloroquine comes in an oral tablet. Adult dosing ranges from 200 mg or 400 mg per day 6.5mg/kg. In some cases, higher doses can be used. It is recommended one tablet twice daily if taking more than one tablet. It is recommended to be taken with food. The recommended adult dose for rheumatoid arthritis is 400-600 mg daily for 4-12 weeks followed by 200-400 mg daily. Systemic lupus erythematosus is treated with 400 mg once or twice daily for several weeks then 200-400 mg daily. Hydroxychloroquine should be taken with food or milk in order to reduce stomach upset. Hydroxychloroquine belongs to the family of medicines called “antimalarials” AMs, which are also classified as disease-modifying anti-rheumatic drugs, or DMARDs. These drugs were initially used to prevent and to treat malaria but are no longer used for those purposes; more effective drugs have since been developed.