Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil for lupus erythematosus Can u stop taking plaquenil Availability. 200 mg tablets. Actions. Derivative closely related to chloroquine. Antimalarial activity is believed to be based on ability to form complexes with DNA of parasite, thereby inhibiting replication and transcription to RNA and DNA synthesis of the parasite. Hydroxychloroquine C18H26ClN3O CID 3652 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. Get emergency medical help if you have signs of an allergic reaction hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Hydroxychloroquin sulphate Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Hydroxychloroquine C18H26ClN3O - PubChem Plaquenil pregnancy rheumatoid arthritisChloroquine dose in india Hydroxychloroquine can be taken with a glass of milk or a meal to decrease nausea. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take hydroxychloroquine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine.. Plaquenil hydroxychloroquine sulfate dosing, indications.. Hydroxychloroquine sulfate 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 hydroxychloroquine sulfate is used concomitantly with other arrhythmogenic drugs. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Hydroxychloroquine is a CYP2D6 inhibitor, while cobicistat is a substrate of CYP2D6. Dasatinib Major Avoid coadministration of hydroxychloroquine and dasatinib. Hydroxychloroquine increases the QT interval and should not be administered with other drugs known to prolong the QT interval.