Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil and liver transplant How does plaquenil help patients with sjogren& 39 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 and abnormal red blood cells anemia. Apr 10, 2019 Plaquenil side effects Get emergency medical help if you have signs of an allergic reaction to Plaquenil hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Can Plaquenil cause Muscle Weakness? Muscle Weakness is a known side effect of Plaquenil. Complete analysis from patient reviews and trusted online health resources, including first-hand experiences. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil side effects muscle weakness Hydroxychloroquine - thigh muscle weakness?, Plaquenil Uses, Dosage & Side Effects - Chagas disease is treated with chloroquineDoes hydroxychloroquine have renal toxicityDefine plaquenil Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. muscle weakness; Hydroxychloroquine Side Effects, Dosage, Uses, and More. Can Plaquenil cause Muscle Weakness? - Treato. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. What are some other side effects of Hydroxychloroquine? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Oct 22, 2019 What are some other side effects of Plaquenil? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Not hungry. Aug 05, 2015 I met with him last week, two weeks after stopping the Plaquenil. The muscle weakness and fatigue had not and still haven't improved to their pre-Plaquenil level. He said in his entire career, he'd never seen a patient have a similar side effect and didn't think it was related to the Plaquenil. He said he would really like me to be on Plaquenil.