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 toxicity in macular oct Plaquenil and mctd BRAND NAMES Plaquenil. Medication Uses How To Use Side Effects Precautions Drug Interactions Overdose Notes Missed Dose Storage. USES Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. Tell your doctor and pharmacist what prescription and nonprescription drugs you are taking, especially acetaminophen Tylenol, others, digoxin Lanoxin, iron-containing medications including multivitamins, isoniazid Nydrazid, methotrexate Rheumatrex, niacin, rifampin Rifadin, Rimactane, and vitamins and herbal products. 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 lupus, rheumatoid arthritis, and others. Hydroxychloroquine comes as a tablet to take by mouth. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Another medication that can be taken with plaquenil Is there a drug that I can take to replace plaquenil?, Hydroxychloroquine MedlinePlus Drug Information Hydroxychloroquine and notalgia parestheticaCan you take hydroxychloroquine with methotrexatePlaquenil not sleeping Re don't want to take plaquenil anymore I am under the care of an internist, he gave me a prescription for plaquenil, and he told me 3 times already that he wanted me going to a rhematologist and for some reason I don't get the referral or a call with an appt. Immune & Autoimmune - Lupus don't want to take plaquenil anymore. Plaquenil Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Plaquenil; Descriptions. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Take Plaquenil exactly as prescribed by your doctor. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended. Plaquenil is sometimes given only once per week. Choose the same day each week to take this medicine if you are on a weekly dosing schedule. Take Plaquenil with a meal or a glass of milk. Hydroxychloroquine Plaquenil, chloroquine Aralen, and quinacrine Atabrine are medications that were originally used to prevent or treat malaria. However, during World War II it was also found that these medications were effective in treating the symptoms of lupus.