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. Hydroxychloroquine and tanning Chloroquine storage conditions Patients usually start by taking 400mg daily. Once a response is achieved, the dose may be lowered to 200mg daily. What Exactly Is Hydroxychloroquine, The Drug That Is Being Tested As The First Potential Coronavirus Treatment. Sai Balasubramanian. rheumatoid arthritis, Sjogren’s Syndrome. Plaquenil hydroxychloroquine is an effective medication for autoimmune conditions and malaria that comes with less side effects than other DMARDs. Upsides. Plaquenil hydroxychloroquine has been shown to improve physical function in up to 80% of patients with rheumatoid arthritis. 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 dosage rheumatoid arthritis Hydroxychloroquine Plaquenil Side Effects & Dosage for., What Exactly Is Hydroxychloroquine, The Drug That Is Being. Usual doseagefor plaquenilHydroxychloroquine side effects psoriasis Plaquenil Dosing for Rheumatoid Arthritis. The recommended starting Plaquenil dose for rheumatoid arthritis treatment is 400 to 600 mg daily. In some people, the starting dose may need to be temporarily reduced for a week or so if bothersome side effects occur. After a good response is obtained usually four to six weeks, your healthcare. Taking Plaquenil for Various Conditions and Treatment Tips. Plaquenil hydroxychloroquine Basics, Side Effects.. Taking Plaquenil for Rheumatoid Arthritis. Plaquenil is a prescription medication used to reduce pain and swelling caused by diseases of the immune system such as rheumatoid arthritis, juvenile arthritis, and systemic lupus erythematosus SLE. This medication belongs to a group of drugs called DMARDs disease modifying antirheumatic drugs which work by suppressing the excessive activity of the immune system. Plaquenil is the brand name for the prescription drug hydroxychloroquine. To treat rheumatoid arthritis, the dosage is higher, with one to three tablets typically taken once a day. An audit of 100 patients seen at any of nine Canadian rheumatology clinics during early 2016 showed that 30% of patients were not on appropriate weight-based hydroxychloroquine dosages, and 13% of patients on the drug had not received a baseline retinal assessment during their first year.