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. Chloroquine lentivirus production Hydroxychloroquine for crest syndrome Success with plaquenil Malignant melanoma is found among people who take Plaquenil, especially for people who are female, 60+ old also take medication Methotrexate, and have Prostate cancer. This study is created by eHealthMe based on reports of 57,706 people who have side effects when taking Plaquenil from Food and Drug Administration FDA, and is updated regularly. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if your child has signs like red, swollen, blistered, or peeling skin with or without fever; red or irritated eyes; or sores in the mouth, throat, nose, or eyes. Preventing malaria Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. 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 cause skin cancer Terrible Itching on Plaquenil---PLEASE HELP., Hydroxychloroquine - Memorial Sloan Kettering Cancer Center Percocet plaquenilPlaquenil main side effects Therefore, it is also important that you practice healthy lifestyle habits. Obesity also increases the risk of certain cancers, so try to eat foods that help you maintain a healthy weight. Sunlight causes lupus flares and also increases the risk of skin cancer. People with lupus should avoid the sun whenever possible. Lupus and Cancer Johns Hopkins Lupus Center. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Plaquenil Uses, Dosage & Side Effects -. Estrogen can cause the growth of breast cancer cells. Drugs, such as letrozole, may lessen the amount of estrogen made by the body. Giving hydroxychloroquine, palbociclib, and letrozole before surgery may work better than palbociclib and letrozole in treating participants with breast cancer. Skin Cancer Both methotrexate and biologic drugs seem to slightly increase the risk for two forms of skin cancer, known as basal cell carcinoma BCC and squamous cell carcinoma SCC. According to a 2016 study in the BMJ, taking a biologic raises the risk for SCC by 30%, though that’s still a relatively small concern Treating 1,600. 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.