It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Ic50 hydroxychloroquine Hydroxychloroquine sulfate tablets usp 200 mg Plaquenil bradycardia Allergic reaction to Plaquenil. Discussion in 'Medications' started by SickANDexhausted, Mar 25, 2015. SickANDexhausted Junior Member. I was just prescribed Plauqenil and was given Hydroxycloroquine Zydus. Less than two weeks in, I had an extremely bad allergic reaction. I forgot to take the plaquenil and the symptoms waned a bit. It was. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. 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 That's a real common side effect of Lupus is unexplained rashes. If you've ever had an allergic reaction to a drug then this is the type of reaction you'd have if you were allergic to the Plaquenil; and they'd stay until the Plaquenil was out of your system. If they're coming and going more than likely it isn't the Plaquenil. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Symptoms of allergic reaction to plaquenil Allergic to Plaquenil. What now? lupus - reddit, Hydroxychloroquine Side Effects Common, Severe, Long Term. Chloroquine dosage for lupus Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaqunil rash -. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Nov 09, 2018 Hydroxychloroquine 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. I am still fighting this allergic reaction. I just spent a few days in the hospital on IV steroids. they said that Plaquenil can take up to 50 days to clear the body. Anyone else had to deal with this? How long did it take to clear up? Any helpful tips? Also, on a facebook page some people posted pics of their Lupus rashes. If you develop these symptoms, call 911 or go to the nearest emergency room. Don’t take this drug again if you’ve ever had an allergic reaction to it. Taking it again could be fatal cause death.