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. Can you get pregnant on plaquenil Treatment of cerebral malaria chloroquine Hydroxychloroquine suppress immune system What is Macrobid? Macrobid has active ingredients of nitrofurantoin; nitrofurantoin, macrocrystalline. It is often used in urinary tract infection. Check the latest outcomes from 6,472 Macrobid users, or browse all drugs. What is Plaquenil? Plaquenil has active ingredients of hydroxychloroquine sulfate. It is often used in systemic lupus erythematosus. 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. It is taken by mouth. 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. 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. Macrobid and plaquenil Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Hydroxychloroquine - Wikipedia Chloroquine in treatment of hypercalcemiaChloroquine intercalation Summary Drug interactions are reported among people who take Macrobid and Hydroxychloroquine sulfate together. This study is created by eHealthMe based on reports of 9 people who take Macrobid and Hydroxychloroquine sulfate from Food and Drug Administration FDA, and is updated regularly. Macrobid and Hydroxychloroquine sulfate drug interactions.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. I'm on Plaquenil for leukocytoclastic vasculitis among other autoimmune problems. Is this why Plaquenil is thought to be effective in treating this? I keep hearing about the vascular problems with the virus and autoimmune drug intervention, but I'm confused about the intent behind the medicine. This appendix provides a table of drug interactions with medications used in other conditions. The British National Formulary BNF includes a summary appendix dedicated to drug interactions. More detailed information can be found in Stockley's Drug Interactions Baxter, 2008. Both of these sources should be checked before adding new drugs to a prescription, particularly if 1 any of the. Plaquenil and mefloquine should not be combined, as this increases the risk of dangerous problems such as seizures or irregular heart rhythms arrhythmias. If your healthcare provider recommends switching from Plaquenil to mefloquine, you should wait at least 12 hours after your last dose of Plaquenil before taking mefloquine.