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. Hydroxychloroquine uctd Chloroquine hyperpigmentation 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. Malaria is spread by mosquitoes. According to Drugs.com, Plaquenil given for a long term can cause retinal disorders after a few months or years of daily use--especially if the dose exceeds 400mg per day. The risk of retinal damage increases at doses of 600mg to 700mg. If you are taking hydroxychloroquine for symptoms of rheumatoid arthritis, your symptoms should improve within 6 months. If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Once you and your doctor are sure the drug works for you. 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. Can hydroxychloroquine cause mental problems Rx Side Effects New Plaquenil Guidelines and More., Long-Term Side Effects of Plaquenil for Rheumatoid. Plaquenil ful fielderg severePlaquenil and artemisia annua togetherPlaquenil fda How they can cause memory loss About 35 percent of adults taking TCAs report some degree of memory impairment and about 54 percent report having difficulty concentrating. TCAs are thought to cause memory problems by blocking the action of serotonin and norepinephrine — two of the brain's key chemical messengers. Caution! These 10 Drugs Can Cause Memory Loss. Hydroxychloroquine MedlinePlus Drug Information. Protecting your eyesight when taking Plaquenil Lupus.. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral. Plaquenil Hydroxychloroquine belongs to a group of medications known as anti-inflammatories and antimalarials. It is used alone or in combination with other anti-arthritic medications to treat rheumatoid arthritis. It helps to reduce pain, stiffness, and swelling in joints.