Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. High cost of hydroxychloroquine Hydroxychloroquine widely used Chloroquine prescribing information 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. Hydroxychloroquine sulfate tablets manufactured by Teva are approved by U. S. Food and Drug Administration FDA for the treatment of malaria, lupus erythematosus and rheumatoid arthritis. Although. It is frequently sold as a sulfate salt known as hydroxychloroquine sulfate. 200 mg of the sulfate salt is equal to 155 mg of the base. Brand names of hydroxychloroquine include Plaquenil, Hydroquin, Axemal in India, Dolquine, Quensyl, Quinoric. References Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil sulfate Plaquenil Hydroxychloroquine Sulfate - Sanofi, Teva to Donate Potential COVID-19 Treatment. Plaquenil food interactionsChloroquine bull's eye maculopathy guidelinesIs plaquenil good for osteoarthritisHow bad is plaquenil on organs Hydroxychloroquine is commonly used alongside other disease-modifying drugs including methotrexate – especially for rheumatoid arthritis. However, some drugs can interact with hydroxychloroquine. Indigestion remedies for example, antacids including some over-the-counter preparations can stop hydroxychloroquine being absorbed. Hydroxychloroquine Side-effects, uses, time to work. Hydroxychloroquine - Wikipedia. Plaquenil, Plaquenil Sulfate, Quineprox.. The following medicines can change the way hydroxychloroquine sulfate works or hydroxychloroquine sulfate may affect the way some of these medicines work Digoxin – used for heart problems. Medicines for diabetes such as insulin or metformin. Antacids – used for heartburn or indigestion. 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. What Conditions Does This Treat? Originally, hydroxychloroquine was used to prevent and treat malaria and was considered very effective. Now it is generally used for rheumatoid arthritis, but it has also been shown to work well for juvenile arthritis, some lupus symptoms, and other types of autoimmune conditions.