Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Hydroxychloroquine side effects clinial studies Can plaquenil affect your thyroid Plaquenil toxicity fundus Chloroquine po 300 mg daily May be I've asked this question before in some other form, but I really would like to know if there is an alternative to Plaquenil. Plaquenil was the only drug for me which gave me instantaneous better saliva flow + improved my depression within a week. Drugs That Prolong QT Interval And Other Arrhythmogenic Drugs. 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. Just because there is an interaction between two drugs, that does not necessarily mean that they cannot be taken together. I am on a bunch of drugs that interact - sometimes it will mean that one of the drugs may alter the level of the other drug, so the other drug level must be monitored, stuff like that. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Is there another drug like plaquenil Alternatives to Plaquenil DailyStrength, Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. What is plaquenil taken forWhat are plaquenil deposits Plaquenil is the brand name of Hydroxychloroquine. Hydroxychloroquine is an anti-malarial drug that has been used for a long time in rheumatic diseases like lupus and arthritis. It was originally created as an anti malarial drug, but was found to help manage lupus patients around the time of World War II. The New Lupus Drug That Could Replace Plaquenil - Lupus Lyfe. Plaquenil & other drug interactions ? Lupus Forums at.. Is there a drug that I can take to replace plaquenil?. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is. Before using Plaquenil, tell your doctor if you are allergic to any drugs, or if you have psoriasis, porphyria, liver disease, alcoholism, or glucose-6-phosphate dehydrogenase G-6-PD deficiency. Take Plaquenil for the full prescribed length of time for malaria. Your symptoms may improve before the infection is completely cleared. This can help control symptoms like rashes, skin and mouth sores and joint pain. Plaquenil and your eyes. A rare side effect of Plaquenil is damage to the eye's retina. The retina is the light-sensitive tissue at the back of the eye. Using Plaquenil for a long period of time may harm the retina, causing serious vision loss.