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. Eye exam for plaquenil use Hydroxychloroquine hyperpigmentation treatment 2 hydroxychloroquine sulfate plaquenil sulfate Hydroxychloroquine handling Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking Plaquenil 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. SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Medications that Weaken Your Immune System and Fungal Infections. Related Pages. Overall, most serious fungal infections are rare, but they do happen. They are most common among people with weak immune systems. People with certain health conditions may need to take medications with side effects that can weaken your immune system and put you at. 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. Can plaquenil give you lymphoma When Lymphoma Develops in People With Lupus, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Canadian pharmacy hydroxychloroquinePlaquenil and extreme fatigueMalaria prophylaxis for honduras an chloroquine dosePlaquenil antacidsPlaquenil stomach ulcer Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Plaquenil Side Effects Common, Severe, Long Term -. Medications that Weaken Your Immune System and Fungal.. Lupus and Cancer Johns Hopkins Lupus Center. In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few. Summary Non-hodgkin's lymphoma is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 month, also take medication Enbrel, and have High blood pressure. The good news is that hydroxychloroquine targets the immune system without causing an increase in the risk of infection or cancer that can be seen with other immunosuppressant medications. The typical dose for hydroxychloroquine is 200-400mg per day and is based on a person’s body weight or if you are overweight, your ideal body weight.