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. Hydroxychloroquine qt prolongation Chloroquine phosphate saltwater Hydroxychloroquine and weightloss Plaquenil bronchospasm Other similar medications include Levoxyl, Tirosint, and Unithroid. Synthetic thyroxine T4, as Synthroid or the generic option levothyroxine, is a prohormone that is de-iodinated in our tissues to form T3, the active thyroid hormone. We would like to show you a description here but the site won’t allow us. 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 Hydroxychloroquine - Side Effects, Dosage., Plaquenil westport ct visual fieldPlaquenil appetite loss Thyroid hormone levels can be altered by drugs at many levels including the hypothalamus, thyrotropes in the anterior pituitary gland, synthesis and secretion from the thyroid gland and metabolism of thyroid hormones through deiodination, sulfation and glucuronidation. Drugs may also affect thyroid hormone levels by altering affinity for or. DRUGS THAT SUPPRESS TSH OR CAUSE. - PubMed Central PMC. Plaquenil & Weight Gain/Loss -. Plaquenil a possible treatment for Coronovirus? rheumatoidarthritis. 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 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. Summary Drug interactions are reported among people who take Plaquenil and Synthroid together. This study is created by eHealthMe based on reports of 3,394 people who take Plaquenil and Synthroid from Food and Drug Administration FDA, and is updated regularly.