Chloroquine has been extensively used in mass drug administrations, which may have contributed to the emergence and spread of resistance. It is recommended to check if chloroquine is still effective in the region prior to using it. Does plaquenil need to be tapered Plaquenil and arthritis A review of hydroxychloroquine as used by rheumatologists and its side effects. For more information, please visit Hydroxychloroquine Hydroxychloroquine is an antimalarial drug which is relatively safe used for the treatment of rheumatoid arthritis. Chloroquine is a similar antimalarial drug that may also be. Despite widespread clinical use of antimalarial drugs such as hydroxychloroquine and chloroquine in the treatment of rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory rheumatic diseases, insights into the mechanism of action of these drugs are still emerging. The Centers for Disease Control and Prevention recommend against treatment of malaria with chloroquine alone due to more effective combinations. In areas where resistance is present, other antimalarials, such as mefloquine or atovaquone, may be used instead. Chloroquine mechanism of action in rheumatoid arthritis Hydroxychloroquine DermNet NZ, What is the mode of action and use of chloroquine in. Plaquenil discontinuedPlaquenil use and weightChloroquine toxicity in eye Mechanism of Action of Hydroxychloroquine as an Antirheumatic Drug By Robert I. Fox The antimalarial agents chloroquine and hydroxychloroquine have been used widely for the treatment of rheumatoid arthritis and systemic lupus erythematosus. Mechanism of action of hydroxychloroquine as an antirheumatic.. Mechanisms of action of hydroxychloroquine and chloroquine.. Chloroquine phosphate C18H32ClN3O8P2 - PubChem. Chloroquine phosphate is a 4-aminoquinoline compound for oral administration. Chloroquine is an antimalarial and amoebicidal drug. The drug possesses antimalarial actions and exerts a beneficial effect in lupus erythematosus chronic discoid or systemic and acute or chronic rheumatoid arthritis. The precise mechanism of action is not known. Mechanism of action of hydroxychloroquine as an antirheumatic drug. Fox RI1. Author information 1Department of Rheumatology, Scripps Clinic and Research Foundation, La Jolla, CA 92037. The antimalarial agents chloroquine and hydroxychloroquine have been used widely for the treatment of rheumatoid arthritis and systemic lupus erythematosus. Rheumatoid arthritis is a chronic disorder for which there is no known cure. Fortunately in the last few years, a shift in strategy toward the earlier institution of disease modifying drugs and the availability of new classes of medications have greatly improved the outcomes that can be expected by most patients.