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. Plaquenil side effects itching What drug class is plaquenil Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. Nov 01, 2015 Hydroxychloroquine is an effective and relatively safe drug that can cause retinal toxicity in a minority of patients. Early diagnosis is important to stop treatment and prevent possible further damage. Nevertheless, in many cases, screening tests are performed too early and too often, causing an unjustified burden on patients and ophthalmologists. RP Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia. 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. Could hydroxychloroquine become toxic Hydroxychloroquine Oral Route Side Effects - Mayo Clinic, Retinal Physician - Hydroxychloroquine Maculopathy An Update. Hydroxychloroquine methotrexate drug interactions Hydroxychloroquine should not be taken with other drugs that could cause heart arrhythmias irregular heart rate or rhythm. Taking hydroxychloroquine with these drugs could cause dangerous. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Hydroxychloroquine Plaquenil Success, Reviews and Side Effects. Mar 17, 2019 An overdose of hydroxychloroquine can be fatal, especially in children. Hydroxychloroquine overdose must be treated quickly. You may be told to induce vomiting right away at home, before transport to an emergency room. Ask the poison control center how to induce vomiting in the case of an overdose. Plaquenil toxicity is typically asymptomatic in early stages, but over time can lead to severe vision loss and retinal damage. The risk of retinal toxicity was initially believed to be less than 1%. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia and abnormal red blood cells anemia. Rare but potentially serious eye toxicity can occur. This toxicity affects a part of the eye called the retina and can lead to color blindness and even loss of vision.