The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Hydroxychloroquine is used as disease modifying anti-rheumatic drug (DMARD) for treatment of several autoimmune diseases, such as systemic lupus erythematosus (SLE), rheumatoid arthritis(RA) for more than one century. Listing a study does not mean it has been evaluated by the U. The purpose of this study is to evaluate whether hydroxychloroquine is effective in treatment of Hashimoto's thyroiditis. Chloroquine phosphate adverse effects Is hydroxychloroquine used for fibromyalgia Plaquenil and Thyroid diseases - from FDA reports Summary Thyroid diseases is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 5 - 10 years, also take medication Enbrel, and have Osteoporosis. Thyroid disease can cause pain in your may not realize, however, that there is also a link between your thyroid and the various inflammatory joint diseases that fall into the category. At one point, my hair was falling out and I was feeling very tired and brain-fogged so the rheumatologist prescribed plaquenil which is a drug used in malaria, for rheumatoid arthritis and lupus. It didn't seem to help me a whole lot, and I had these ear symptoms of pressure, ringing and hearing loss. Hashimoto's thyroiditis is an autoimmune thyroid disease, and when the disease progresses, thyroid function finally declined to hypothyroidism. Hashimoto's thyroiditis is an autoimmune thyroid disease, which induced chronic inflammation of thyroid gland and destroys thyroid tissue. Can plaquenil affect your thyroid Plaquenil Side Effects Common, Severe, Long Term -, Thyroid Disease and Arthritis How They're Connected Hydroxychloroquine plaquenil cancerHydroxychloroquine cause dileHydroxychloroquine lupus anticoagulantLc3b chloroquinePlaquenil overdose symptoms Hang in there. I also take Armor Thyroid medication, and the plaquenil doesn't seem to be interfering with it. The plaquenil gives me such relief that I would continue to take it even if it did interfere with the thyroid meds. By the way, yoga also has been a great benefit. Plaquenil hydrochloroquine and Thyroid - Arthritis - MedHelp. Healthboards - Endocrine - Thyroid Disorders Plaquenil.. Common and Rare Side Effects for Plaquenil Oral. Corticosteroids Can Also Affect The Health Of The Adrenal Glands In addition to affecting the thyroid gland, corticosteroids also can affect the health of the adrenal glands. The reason for this is because the adrenal glands secrete cortisol, which of course is a natural steroid hormone of the body. 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. The aforementioned rare side effect that affects vision hydroxychloroquine retinopathy, if caught early, may improve after discontinuation of Plaquenil. Since the side effect of vision loss is possible but rare, it is important for you to tell your doctor about any vision changes that you experience.