Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Hydroxychloroquine risks Plaquenil not working what next Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Hydroxychloroquine sulfate is a colorless crystalline solid, soluble in water to at least 20 percent; chemically the drug is 2-4-7-Chloro-4-quinolylaminopentylethylamino ethanol sulfate 11. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Is there a difference between plaquenil and hydroxychloroquine Plaquenil or hydroxychloroquine sulfate? Which has been., Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. Chloroquine aralen primaquine metronidazole flagyl nitrofurantoin furadantin Compare Chloroquine vs Hydroxychloroquine head-to-head with other drugs for uses, ratings, cost, side effects, interactions and more. Chloroquine rated 10.0/10 vs Hydroxychloroquine rated 6.7/10 in overall patient satisfaction. Chloroquine vs Hydroxychloroquine Comparison -. Plaquenil vs. Humira Prescription Treatment for Rheumatoid.. What is the difference between hydroxychloroquine and.. If there is a contraindication to hydroxychloroquine, an alternative antimalarial medication used in dermatology is quinacrine. Due to differences in chemical structure, there is no cross-reactivity between the 4-aminoquinolines chloroquine and hydroxychloroquine and quinacrine. Hydroxychloroquine can affect your heart's rhythm. Other drugs can have the same effect. What Is the Difference between Hydroxychloroquine and Chloroquine. These medications are primarily designed to treat the strains of malaria linked with mosquito bites, but there are a few alternate uses for these medications outside the scope of treating malaria infections.