It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug. Is hydroxychloroquine sulfate an immunosuppressant Plaquenil visual field defects Plaquenil is a member of a family of drugs called antimalarials â as the name implies, it's used to prevent or treat malaria, a serious, mosquito-borne tropical illness. People traveling to South America, South Asia and Africa would be wise to get a prescription for this medication. 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. PLAQUENIL can lower the convulsive threshold. Co-administration of PLAQUENIL with other antimalarials known to lower the convulsion threshold e.g. mefloquine may increase the risk of convulsions. Antiepileptics. The activity of antiepileptic drugs might be impaired if co-administered with PLAQUENIL. Methotrexate Take this medication with food to prevent stomach upset. Do not stop taking it without consulting your doctor. HYDROXYCHLOROQUINE - ORAL (hi-DROX-ee-KLOR-oh-kwin) COMMON BRAND NAME(S): Plaquenil This medication is used to treat rheumatoid arthritis and lupus; and to treat or prevent malaria. Plaquenil drug company Drug spotlight on hydroxychloroquine Lupus Foundation of., Hydroxychloroquine MedlinePlus Drug Information Give brand names of chloroquine Co-administration of PLAQUENIL with other antimalarials known to lower the convulsion threshold e.g. mefloquine may increase the risk of convulsions. Antiepileptics The activity of antiepileptic drugs might be impaired if co-administered with PLAQUENIL. Plaquenil Concordia Pharmaceuticals Inc. FDA Package Insert. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. These are the drugs being tested in fight against coronavirus. See drugs@fda website. The brand name manfacture is SANOFI AVENTIS. The fda website also lists the generic equivalents. A good thing to know about the drug is that it accumulates inside cells, therefore blood levels are not a good indicator of the levels inside the body. To view the price of the drug, click on the brand name. The generic Hydroxychloroquine is manufactured by one company. Medindia's drug directory has currently 3 Brands of Hydroxychloroquine listed. Two companies plan on ramping up production of a drug usually used to treat malaria or arthritis after President Donald Trump praised it and another anti-malarial drug on Thursday.