Several drugs that initially were used to prevent or treat malaria are now also used for treating lupus including quinacrine, chloroquine, and hydroxychlorquine. These drugs treat lupus symptoms by mildly suppressing the immune system, which reduces inflammation throughout the body. Hydroxychloroquine side efects Plaquenil nail discoloration What is quinacrine? Quinacrine is a derivative of quinine, synthesised from the bark of the cinchona tree. It was extensively used as an antimalarial agent for millions of servicemen in the Pacific region during the 1940s. It was found to be well tolerated and has subsequently been used for the treatment of connective tissue diseases, such as lupus erythematosus. Quinacrine and chloroquine, two widely used antimalarials, bind strongly to deoxyribonucleic acid, thus preventing mutagenesis. We studied a possible chemoprotective effect of these substances on. The association of the two antimalarials chloroquine and quinacrine for treatment-resitant chronic and subacute cutaneous lupus erythematosus. Dermatology 1994; 189 425-7. Lipsker D, Piette J-C, Cacoub P, et al. Chloroquine-quinacrine association in resistant cutaneous lupus. It may be related to an inability to clear damaged cells from the body, which causes excessive stimulation of the immune system. While the exact cause of lupus is not known, it is likely due to a combination of genetic and environmental factors. Quinacrine chloroquine antimalarial UpToDate, PDF The antimalarials quinacrine and chloroquine potentiate the. Does hydroxychloroquine have renal toxicityPlaquenil coupons discountsJefferson n biochemistry article chloroquine Chloroquine is a medication used to prevent and to treat malaria in areas where malaria is known to be sensitive to its effects. Certain types of malaria, resistant strains, and complicated cases typically require different or additional medication. Chloroquine - Wikipedia. Quinacrine Hydrochloride Drug Information, Professional. Mepacrine - an overview ScienceDirect Topics. The antimalarial drugs chloroquine, hydroxychloroquine and quinacrine are reviewed with respect to the history of their use, pharmacokinetics, mode of action DNA interactions, melanin binding, anti-inflammatory, immunosuppressive, sunscreen effects, toxicity cutaneous, haematological, neuromuscular, ocular and usage. Home Topics A–Z Antimalarial medications in dermatology. Hydroxychloroquine has largely replaced quinacrine and chloroquine due to its better safety profile 1. The pharmacokinetics of antimalarials. Chloroquine and hydroxychloroquine are chemically similar and are part of the amino-quinoline family. Today’s AMs are hydroxychloroquine Plaquenil®, chloroquine Aralen®, and quinacrine Atabrine®. Quinacrine is no longer marketed in the U. S.; it can be dispensed by a compounding pharmacy, although insurance companies may not pay for it. The antimalarial quinine was first used to treat cutaneous lupus in 1834.