Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Cost of aralen Another medication that can be taken with plaquenil Cimetidine Moderate Avoid concomitant use of hydroxychloroquine and cimetidine as cimetidine may inhibit the metabolism of hydroxychloroquine as observed with the structurally similar chloroquine. However, the mechanism of inhibition of chloroquine metabolism appears to be via CYP inhibition, and hydroxychloroquine is not a known CYP substrate; cimetidine inhibition of hydroxychloroquine metabolism has not been demonstrated. Thyroid disease can cause pain in your joints. You may not realize, however, that there is also a link between your thyroid and the various inflammatory joint diseases that fall into the category of arthritis. Thyroid disease is in fact linked to psoriatic arthritis, ankylosing spondylitis, and rheumatoid arthritis. The plaquenil has caused a weight gain of about 20-25 pounds for me. Since I was diagnosed with MCTD a year ago, Plaquenil has been the only medication besides eye supplements, thyroid meds - been stable for years, and most recently Evoxac that I have been given. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil and thyroid Plaquenil Oral Interactions with Other Medication, Thyroid Disease and Arthritis How They're Connected Take plaquenil with vitaminsDoes hair loss differ when it is due to plaquenilMethotrexate plaquenil combinationPlaquenil and skin issuesPlaquenil blurry vision reviews Plaquenil. It was originally made for Lupus, which is also an auto immune disease, but apparently it helps in the treatment of hives. I am so excited to start taking and finally be able to get some relief from all of this! Chronic Urticaria - Plaquenil as a new treatment?. Plaquenil & Weight Gain/Loss -. . Hypothyroidism in lupus can cause increased fatigue, cold intolerance, brain fog, dry skin, and weight gain. Symptoms of Graves’ disease the most common cause of hyperthyroidism, in which the immune system tricks the thyroid into making too much thyroid hormone include weight loss, tremors, heart palpitations. Thyroid Problems. The thyroid is the gland in your neck associated with your metabolism—the processes by which your body makes use of energy. Autoimmune thyroid disease is common in lupus. It is believed that about 6% of people with lupus have hypothyroidism underactive thyroid and about 1% have hyperthyroidism overactive thyroid. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage.