Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Artemisia annua taken with hydroxychloroquine Hydroxychloroquine and kidney function Hydroxychloroquine buy online Chloroquine and proguanil brand It was in 1951, after the war was over, that Allied soldiers taking longterm quinacrine demonstrated improved signs and symptoms of systemic lupus erythematosus SLE5. Just a few years later 1955, hydroxychloroquine HCQ was synthesized, and a successful scale-up created this cornerstone drug for treating SLE. If you take too much hydroxychloroquine, you may experience headaches, drowsiness, visual disturbances or fits. These symptoms may occur within 30 minutes of overdose. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine 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. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Taking too much hydroxychloroquine Hydroxychloroquine Dosage Guide with Precautions -, APO-Hydroxychloroquine hydroxychloroquine sulfate Drug. Natural substitute for plaquenil for discoid lupusPlaquenil ms The recommended initial dosage of hydroxychloroquine Plaquenil for the treatment of lupus erythematosus is 400 mg once or twice daily. The recommended maintenance dose range of hydroxychloroquine Plaquenil for the treatment of lupus erythematosus is 200 to 400 mg daily. Plaquenil - Side Effects, Uses, Dosage, Overdose.. Plaquenil Hydroxychloroquine Side effects, Images, Uses.. Hydroxychloroquine Reviews Everyday Health. Hydroxychloroquine comes in an oral tablet. Adult dosing ranges from 200 mg or 400 mg per day 6.5mg/kg. In some cases, higher doses can be used. It is recommended one tablet twice daily if taking more than one tablet. It is recommended to be taken with food. Since hydroxychloroquine may increase the effects of antidiabetic drugs or insulin, a decrease in the doses of these drugs may be required while taking hydroxychloroquine. In literature, cases of human pregnancy while taking hydroxychloroquine have occurred and no increase in the rate of birth defects has been noted. One PLAQUENIL tablet contains 200 mg of hydroxychloroquine sulfate, which is equivalent to 155 mg base. Take PLAQUENIL with a meal or a glass of milk. Malaria Prophylaxis. Adults. 400 mg 310 mg base once weekly on the same day of each week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area.