Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Hydroxychloroquine erectile dysfunction Cost plaquenil thru prime therapeutics Dose for example, 400 mg or 2 tablets of hydroxychloroquine and later your doctor may reduce it for example, to 200 mg or one tablet daily of hydroxychloroquine. Some patients need to take hydroxychloroquine only two or three times per week when their disease is well controlled. Hydroxychloroquine is taken in tablet form, with or after food. Your doctor will advise you about the correct dose. Usually you will start on a full dose of 200–400 mg daily, and later your doctor may reduce this. When your condition is very well controlled you may be advised to take hydroxychloroquine only 2–3 times per week. 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. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. What exams do i need to take while taking hydroxychloroquine Hydroxychloroquine Oral Route Proper Use - Mayo Clinic, Hydroxychloroquine Side-effects, uses, time to work Hydroxychloroquine cost at walmartHydroxychloroquine-o-sulfate Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. While today it is used to treat autoimmune conditions, such as rheumatoid arthritis and lupus, it was originally used as an anti-malaria drug. Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil Side Effects on Your Eyes and Vision. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Hydroxychloroquine Indications, Side Effects, Warnings.. Plaquenil can damage the retina of the eye. This can lead to blindness. This problem is most common when high doses are taken for a long time. If you will be taking Plaquenil for a while, it is recommended to have a thorough eye exam before starting it and every three months while taking it. Blood tests for monitoring of methtrexate consist of CBC and platelet count as well as liver function tests to keep track of potential liver and bone marrow damage. The tests can be done every 3 to 6 months or as needed as determined by any symptoms. Plaquenil hydroxychloroquine rarely causes blood problems but an annual eye exam is important. It is recommended that you have an eye exam within the first year of use, then repeat every one to five years based on current guidelines. Tell Your Doctor Although there are few drug interactions with hydroxychloroquine, to be safe be sure to tell your doctor about all of the medications you are taking, including over-the-counter drugs and.