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. Chloroquine blood to plasma ratio Hydroxychloroquine pill identification 347 Plasmodium falciparum chloroquine resistance first seen But really, the rheumatologist should be writing, ‘Do a visual field 10-2, plus one of these three advanced screening tests.’ ” If you have lupus, ask your rheumatologist for a referral to an ophthalmologist who has up-to-date technology to evaluate your vision for any early problems. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking this medicine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. Swallow the tablet whole. Do not crush, break, or chew it. Take this medicine with meals or milk to lessen stomach upset, unless otherwise directed by your doctor. 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 does hydroxychloroquine do to your eyes Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Hydroxychloroquine Uses, Dosage & Side Effects - Hydroxychloroquine and back painAralen animePlaquenil for hashimoto'sHydroxychloroquine uses and side effectsHydroxychloroquine side effects wikipedia In summary, if you have Sjögren’s, hydroxychloroquine may be an option to help your symptoms. Because there are other more effective therapies available to treat dry eyes and dry mouth, it is typically prescribed to help musculoskeletal pain and fatigue. Be patient, as the drug may take up to 6 months to see a beneficial effect. Ask the Expert Plaquenil and Sjögren’s. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. There is a small risk that hydroxychloroquine can damage your retina part of the eye, and this increases with long-term use and higher dosage. Your doctor will advise you on a safe dose to take according to your weight, and you will need to have regular monitoring of your eyes. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Take Plaquenil EXACTLY as prescribed by your physician. Do not stop taking the medication without first speaking to your doctor. Taking Hydroxychloroquine with food and/or milk can help prevent stomach upset. If you miss a dose, take it as soon as you remember.