It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. What durg class is chloroquine Plaquenil and tinazidole Methotrexate Moderate Hydroxychloroquine may reduce the renal clearance of methotrexate; the exact mechanism of this interaction is unknown. The mean AUC of methotrexate was increased 52% and the mean Cmax was reduced 17% when a single dose of methotrexate was given with a dose of hydroxychloroquine 200 mg oral. 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 taken by mouth. With Plaquenil, the possibility of permanent vision damage scares me. I also want to be sure that I'm taking a drug that will slow/stop the progression of the disease. I've read elsewhere that Plaquenil is not as strong/effective in the treatment of early RA. With Methotrexate, the reports of nausea and possible liver damage are concerning. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil methotrexate Methotrexate and plaquenil - @Kristinsaba1988., Hydroxychloroquine - Wikipedia Taking plaquenil and hands still swollenHydroxychloroquine and chloroquine assessing the risk of retinal toxicity 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. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil vs Methotrexate rheumatoid - reddit. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. I am on both methotrexate and plaquenil. I have been on plaquenil for over a year and a half and methotrexate since September. I have had no side effects from either one. I get my eyes checked every six months and I am now at once a month on blood work for my liver enzymes used to be every 2 weeks. Methotrexate or Plaquenil. Methotrexate is the most commonly prescribed DMARD, but it does come with the chance of side-effects. I never had any side-effects of dire consequence, but many on this forum have. Methotrexate may take longer to become effective, but USUALLY, it will take effective within the time frame you're looking at. 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.