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. Chloroquine quinine Plaquenil and ibuprofen interaction Plaquenil hydrochloroquine Jul 24, 2018 The malaria medication hydroxychloroquine Plaquenil may ease the symptoms of some types of sun allergies. Therapy. If you have a severe sun allergy, your doctor might suggest gradually getting your skin used to sunlight each spring. I can say, however, that I have not had any cross allergic reaction to other drugs sometimes associated with sulfa allergies. Whether you try Plaquenil or not is ultimately up to you and your doctor, but a lot will depend on the type and severity of reactions that you've had. Rashes are certainly a lot less severe than respiratory reactions. Common Plaquenil side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. 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 Allergy to Plaquenil - Lupus - Inspire, Plaquenil and Sulfa Allergies" Lupus Community - Support. Extreme hunger plaquenilAreas with chloroquine or mefloquine resistancePlaquenil ophthalmology guidelines What Are Side Effects of Plaquenil? nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, ringing in your ears, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Plaquenil Uses, Dosage & Side Effects -. Plaquenil Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs. When treating lupus or arthritis, hydroxychloroquine is usually given daily for several weeks or months. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 6 months of treatment. While using hydroxychloroquine, you may need frequent blood tests and vision exams. 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. One of the reasons that physicians feel comfortable in prescribing Plaquenil is its low risk to benefit ratio. This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur.