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. Chloroquine diazepam suicide Plaquenil fever North star pharmaceuticals makers of hydroxychloroquine Can plaquenil cause hives Plaquenil can be dangerous to children, who are particularly sensitive to the drug. Kids shouldn't take Plaquenil as a long-term treatment. Overdose can be fatal in children. 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 safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. To treat lupus erythematosus, the average adult dose is 400 mg once or twice daily. 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. Can you take plaquenil with neomycin Sulfa allergy Which medications should I avoid? - Mayo Clinic, Foods to Avoid When Taking Plaquenil Oral Chloroquine and p62 It takes a really long time for the Plaquenil to kick in. It may even take a year. Mine didn't start working until I was on it for 8 months and I take more than you do. I take 200 mg twice a day. I initially started at 800mg a day then dropped it to 400 mg a day. Please don't give up, you will have good days and bad days. What is the correct way to discontinue use of plaquenil?. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Stopping Plaquenil and Cellcept when on Antibiotics. Tell your healthcare professional if you are taking any other prescription or nonprescription over-the-counter OTC medicine. Other Interactions Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. This could increase your risk for side effects or decrease the effectiveness of the medicines. To help prevent potentially negative Plaquenil drug interactions, tell your healthcare provider about all other medications you are taking before starting Plaquenil. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis.