Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Chloroquine fish food Does chloroquine increase or decrease cell viability Conditions to take plaquenil Hydroxychloroquine is a quinoline medicine 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. This medicine is not effective against all strains of malaria. Like your thyroid, B-12 helps your body produce energy. Although the relationship between B-12 and the thyroid is not yet well understood, a study published in the May 2008 issue of "The Journal of the Pakistan Medical Association," found that B-12 deficiency is prevalent in hypothyroid patients. Patients with hypothyroidism have a higher level of DNA-hydrolyzing IgG antibodies. Usage of plaquenil resulted in a reduction in these antibodies, as well as improvements in thyroid hormone production and elevated functional activity of the thyroid gland. Plaquenil also improved the clinical state of the patients. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Hydroxychloroquine and thyroid Increasing plaquenil, having problems, Does Vitamin B-12 Interfere With Synthroid Medicines. Tamiflu and plaquenilChloroquin andgranuloma annulareChloroquine marine ich Hashimoto's thyroiditis HT is a common form of autoimmune thyroid disease, which affects up to 2% of general population. The annual incidence of HT worldwide is estimated to be 0.8 - 3.5 cases per 1000 persons. The thyroid gland attacked by a variety of cell- and antibody-mediated immune processes. The Effect of Plaquenil on Serum Inflammatory Markers and.. Thyroid Antibodies Part 2 Mechanisms to Reduce Thyroid.. . Hydroxychloroquine offers potential efficacy for CU and is relatively benign compared with most other therapeutic approaches. OBJECTIVE The aim of the chronic autoimmune urticaria study and evaluation was to evaluate the efficacy of hydroxychloroquine in patients with chronic idiopathic urticaria. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. 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.