Hydroxychloroquine Pharmacology

Hydroxychloroquine is classified as a DMARD and when used chronically, can be helpful in managing rheumatoid arthritis and Lupus. There have been reports of QTc prolongation with hydroxychloroquine. While not incredibly common, it is important to remember this consideration in patients at risk for QTc prolongation. Hydroxychloroquine is associated with causing retinopathy. Routine eye exams for monitoring purposes are critical. Rarely, hydroxychloroquine can be associated with blood disorders like neutropenia and thrombocytopenia. In addition, alterations in liver function have been reported.