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. Can you take hydroxychloroquine while breastfeeding Bisoprolol and hydroxychloroquine Define plaquenil Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis also known as juvenile idiopathic arthritis and other autoimmune diseases. It is not clear why hydroxychloroquine is effective at treating autoimmune. Advice and Information Service 0300 3030 111. 5 Severe retinopathy, especially in the central area. called the macula, causes significant, irreversible sight loss. For this reason patients taking hydroxychloroquine who qualify for regular eye health checks on the. NHS will be offered them. Some patients may have to pay for this service privately. Use of PLAQUENIL in patients with psoriasis may precipitate a severe attack of psoriasis. When used in patients with porphyria the condition may be exacerbated. The preparation should not be used in these conditions unless in the judgment of the physician the benefit to the patient outweighs the possible hazard. 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. Plaquenil patient information Plaquenil oral Reviews and User Ratings Effectiveness., Eye screening for patients taking hydroxychloroquine Plaquenil® Plaquenil prescribing information Before taking Plaquenil, tell your doctor if you have or have ever had Liver disease. Psoriasis. Any blood disorders, such as porphyria, glucose-6-phosphate dehydrogenase deficiency G6PD, or others. Dermatitis. A vision disorder. Effects on your hearing caused by drugs. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Plaquenil-Hydroxychloroquine sulfate 200mg Film-coated.. Use of PLAQUENIL in patients with psoriasis may precipitate a severe attack of psoriasis. When used in patients with porphyria the condition may be exacerbated. The preparation should not be used. Low-dose therapy is less likely to harm the retina, but if it does, early treatment may reverse the damage. Most adverse eye reactions occur in patients who take more than 400 mg of Plaquenil daily. The initial dosage range is 400 to 600 mg/day, but once the patient has a therapeutic response, the dose can be reduced. For lupus erythematosus, one or two tablets are usually taken once or twice daily. For rheumatoid arthritis, one to three tablets are usually taken once a day. Hydroxychloroquine can be taken with a glass of milk or a meal to decrease nausea. Follow the directions on your prescription label carefully.