Weakness, swelling, and pain are the most common myositis symptoms. Myositis causes include infection, injury, autoimmune conditions, and drug side effects. Plaquenil blisters Plaquenil maculopathy Hydroxychloroquine sul tabs 200 mg There can be loss of muscle bulk atrophy. The muscles of the shoulders, upper arms, hips, thighs and neck display the most weakness in dermatomyositis. There also can be joint pain, inflammation of the heart and lung muscle tissues, as well as inflammation of blood vessels to other organs. Injury. Vigorous exercise can lead to muscle pain, swelling, and weakness for hours or days after a workout. Inflammation contributes to these symptoms, technically making this a form of myositis. Myositis symptoms after exercise or injury nearly always resolve completely with rest and recovery. There's no cure for dermatomyositis, but treatment can improve your skin and your muscle strength and function. The earlier treatment is started in the course of dermatomyositis, the more effective it is. Medications. Medications used to treat dermatomyositis include Corticosteroids. Drugs such as prednisone can control dermatomyositis symptoms quickly. Myositis is caused by any condition that leads to inflammation in the muscles. Treatment of myositis varies according to the cause. Plaquenil for dermatomyositis muscle weakness Dermatomyositis Myositis Support and Understanding, Myositis Symptoms and Causes - WebMD Chloroquine syrup dosage for infantsDark palate hydroxychloroquine Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine Plaquenil. Dermatomyositis - Diagnosis and treatment - Mayo Clinic. Myositis Skin Care and Treatment The Myositis Association. Muscle weakness also may be a side effect of certain drugs used to treat lupus and related conditions, including prednisone and other corticosteroids, cholesterol-lowering drugs and hydroxychloroquine Plaquenil®. Therefore, drug-induced muscle disease should be ruled out as a cause of weakness if you are taking any of these medications, as drug-induced muscle weakness usually does not produce elevated levels of muscle enzymes as is seen in lupus myositis. 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. Hydroxychloroquine Plaquenil is an antimalarial drug that also has anti-inflammatory qualities and is used to treat certain autoimmune diseases, including rheumatoid arthritis and Sjögren’s disease. Hydroxychloroquine is take orally by mouth. Common side effects include vomiting, headache, changes in vision, and muscle weakness.