RT Journal Article SR Electronic T1 Hydroxychloroquine: An old drug with new relevance JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 459 OP 467 DO 10.3949/ccjm.85a.17034 VO 85 IS 6 A1 Eugen Alexander Shippey III A1 Vanya D. Wagler A1 Angelique N. Collamer YR 2018 UL http://www.ccjm.org/content/85/6/459.abstract AB Hydroxychloroquine is an immunomodulatory drug that has been used for 60 years to treat malaria and autoimmune diseases such as systemic lupus erythematosus and inflammatory arthritis, and potential new uses and benefits continue to emerge. Toxicity concerns have been addressed with updated prescribing recommendations.