It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Hydroxychloroquine bad side effects Plasmodium falciparum chloroquine resistance first seen Hydroxychloroquine arthritis research uk Best way to monitor patients for plaquenil Plaquenil hydroxychloroquine sulfate, Sanofi-Aventis and the less-used chloroquine are antimalarial drugs with anti-inflammatory properties that are used for the management of a spectrum of inflammatory conditions. Plaquenil is less toxic than chloroquine; however, long-term use of either drug can result in macular toxicity, leading to devastating irreversible vision loss. Answer Plaquenil, or hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, sys- temic lupus erythematosus SLE and other inflammatory and autoimmune diseases. In Sjögren’s syndrome, HCQ is believed to improve oral and ocular eye signs and. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Plaquenil anti inflammatory mechanism Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Reasonably Well Plaquenil FAQ Is aralen safe for pregnancyHow soon does hydroxychloroquine workPlaquenil 100mg tablet dosesPlaquenil arava The mechanism of action is thought to be anti-inflammatory, but Plaquenil also seems to reduce sensitivity to sunlight. It has also been noted recently that smoking reduces the effectiveness of Plaquenil in treating lupus, thus, smoking cessation should be instituted in all patients taking Plaquenil. Plaquenil Use in Autoimmune Diseases. Hydroxychloroquine Plaquenil. Mechanisms of action of hydroxychloroquine and chloroquine.. The antimalarial agents chloroquine and hydroxychloroquine have been used widely for the treatment of rheumatoid arthritis and systemic lupus erythematosus. These compounds lead to improvement of clinical and laboratory parameters, but their slow onset of action distinguishes them from glucocorticoids and nonsteroidal antiinflammatory agents. Hydroxychloroquine, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It does not appear to be safe during This article focuses upon hydroxychloroquine retinopathy. Disease. Chloroquine was originally used as an anti-malarial therapeutic. Chloroquine is now uncommonly used in favor of its derivative hydroxychloroquine. In the United States, hydroxychloroquine is most often used for its anti-inflammatory effects in rheumatology and dermatology. Its toxic effects on the retina are seen in the macula.