Antibiotics containing chemicals called sulfonamides can trigger a reaction if you have a sulfa allergy. These antibiotics include combination drugs: An allergy to sulfonamide medications is different from having an adverse reaction to wine or food that contains sulfites. How much is hydroxychloroquine Aao plaquenil guidelines Plaquenil nightmares Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine -sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. Hydroxychloroquine can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. If you can, avoid people with infections. Check with your doctor immediately if you think you are getting an infection or if you get a fever, chills, cough or hoarseness, lower back or side pain, or painful or difficult urination. Background Hydroxychloroquine sulfate and other antimalarial drugs have been used successfully as adjunctive therapy for patients with cutaneous lesions of dermatomyositis over the past 20 years. An increased incidence of cutaneous reactions to hydroxychloroquine has been postulated to occur in patients with dermatomyositis. If you have HIV/AIDS, you may have an increased sensitivity to sulfonamide medications. Having a reaction to sulfites in something you eat or drink doesn't mean you'll be allergic to sulfonamide medication. Plaquenil sulfate allergy Hydroxychloroquine Side Effects, Dosage, Uses, and More, Hydroxychloroquine Oral Route Precautions - Mayo Clinic Chloroquin and ferroquine structurePlaquenil immune complexes Summary Iodine allergy is found among people who take Plaquenil, especially for people who are female, 50-59 old also take medication Fosamax, and have Osteoporosis. This study is created by eHealthMe based on reports of 48,911 people who have side effects when taking Plaquenil from Food and Drug Administration FDA. Will you have Iodine allergy with Plaquenil - eHealthMe. Adverse Cutaneous Reactions to Hydroxychloroquine Are More.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. I have been allergic to sulfa meds for over 30 years. I have been taking plaquenil for about 8 years with no problems. However, I was givin the generic Plaquenil at first, and I did have a reaction to that - until now I didn't reliese was the same as my sulfa reaction. Adults. 200 mg 155 mg base to 400 mg 310 mg base PO per day, administered as a single dose or in 2 divided doses. Antimalarials and/or glucocorticoids are of benefit and may be used for the treatment of SLE without major organ manifestations; however, judicious use of hydroxychloroquine is recommended. I had been taking plaquenil since April for my lupus and sjogrens. It was working really well and just recently my rheumy told that I was in remission. I felt great. Then I had an allergic reaction to the plaquenil - a rash all over my body, neck, arms and legs. I stopped taking it 1 week ago.