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 for lupus nephritis How safe is chloroquine during pregnancy Plaquenil affect immune system When phenothiazine medications, certain beta blockers, or certain parasite medicines are taken together with Plaquenil, interactions can occur that may affect the drug levels in your blood. This could increase your risk for side effects or decrease the effectiveness of the medicines. 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. Lawchick my name is chellety and yes i have had horrbile side effects with the plaquenil they say it is suppose to be the best medication you can use for lupus but i was getting symptoms of that of a diabetes patient like gout in my toe, it was horrible pain and burning OMG, sounds weird but i stop taking the plaquenil and stuck to predisone. 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 Plaquenil - Uses, Side Effects, Interactions -, Hydroxychloroquine Oral Route Description and Brand. Hydroxychloroquine and smokingPlaquenil maculopathy management How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. Plaquenil Oral Uses, Side Effects, Interactions.. Had to stop taking Plaquenil -. Hydroxychloroquine Oral Route Description and Brand Names - Mayo Clinic. 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. 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. Corticosteroids and salicylates may be used in conjunction with PLAQUENIL, and they can generally be decreased gradually in dosage or eliminated after a maintenance dose of PLAQUENIL has been achieved. HOW SUPPLIED. PLAQUENIL tablets are white, to off-white, film coated tablets imprinted “PLAQUENIL” on one face in black ink. Each tablet contains 200 mg hydroxychloroquine sulfate equivalent to 155 mg base.