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. Chloroquine toxicity cells Hydroxychloroquine sulfate tablets uses Not all of these drugs work equally as well in all areas of the world where there is malaria. The chloroquines, for example, do not work in areas where the malaria parasite has developed resistance to chloroquine. Lariam mefloquine may be effective against malaria that is resistant to chloroquine or other drugs. Hydroxychloroquine is a DMARD. The brand name is Plaquenil. What does Plaquenil do? Plaquenil relieves pain and swelling and prevents damage to joints. How long does Plaquenil take to work? Plaquenil works very slowly. In 1 to 3 months you should start to feel better. You may continue to get better for up to 1 year. 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. Mefloquine or plaquenil Plaquenil hydroxychloroquine – New Warnings, Lupus Medicines Hydroxychloroquine - Brigham and Women's. What drugs interact with plaquenilChloroquine hydrochloride solubilityDrug reactions in plaquenilPlasmodium falciparum resistance to chloroquinePlaquenil chest pain Feb 19, 2020 PLAQUENIL prolongs the QT interval and should not be administered with other drugs that have the potential to induce cardiac arrhythmias. Also, there may be an increased risk of inducing ventricular arrhythmias if PLAQUENIL is used concomitantly with other arrhythmogenic drugs. Mefloquine And Other Drugs Known To Lower The Convulsive Threshold Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine Plaquenil. Chloroquine - Wikipedia. PLAQUENIL is used concomitantly with other arrhythmogenic drugs. Mefloquine and other drugs known to lower the convulsive threshold PLAQUENIL can lower the convulsive threshold. Co-administration of PLAQUENIL with other antimalarials known to lower the convulsion threshold e.g. mefloquine may increase the risk of convulsions. Compare Hydroxychloroquine vs Plaquenil head-to-head with other drugs for uses, ratings, cost, side effects, interactions and more. Hydroxychloroquine rated 6.7/10 vs Plaquenil rated 6.8/10 in overall patient satisfaction. Compare Malarone vs Plaquenil head-to-head with other drugs for uses, ratings, cost, side effects, interactions and more. Malarone rated 5.1/10 vs Plaquenil rated 6.8/10 in overall patient satisfaction.