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 and heat intolerance What is hydroxychloroquine 200 mg used for I've been on plaquenil for 6 months now and I still have significant joint pain! I can't say that the drug has helped at all, but it is difficult to compare todays pain with that of 6 months ago. Apr 28, 2009 This is a new question concerning an old post. Plaquenil and muscle pain. I thought that maybe my question had been answered when I read that Plaquenil was responsible for your muscle pain but, as I read on I realize it was not. I TOO have severe muscle pain and cramping in my legs. Only when trying to sleep. This medicine may cause muscle and nerve problems. Check with your doctor right away if you have muscle weakness, pain, or tenderness while using this medicine. Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. 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. Plaquenil muscle pain Plaquenil can cause back and leg pain? What type?, Plaquenil and muscle aches and pains? Plaquenil and lexaproHydroxychloroquine in chikungunya 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. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Hydroxychloroquine Oral Route Description and Brand Names.. Plaquenil and Muscle aches - from FDA reports Summary Muscle aches 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 Pain. Sep 13, 2019 provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Find information about common, infrequent and rare side effects of Plaquenil Oral.