But if you get a rash or more serious reaction when you take one of these drugs, you may have a sulfa allergy. Sulfa drugs, also called sulfonamides, include antibiotics and other types of drugs. Around 3% of people have some type of reaction to them. What happens if you stop taking your plaquenil Adverse reactions plaquenil Ddo you have to stop plaquenil slowly A sulfa allergy is when the immune system reacts to substances containing sulfa, such as some antibiotics and medications. A person with a sulfa allergy should avoid certain medications but does. If you have HIV/AIDS, you may have an increased sensitivity to sulfonamide medications. Always tell your doctor about your sensitivities to medication. There are no diagnostic tests for sulfa allergy. However, sulfa desensitization might be an option, especially if medication containing sulfamethoxazole is needed. Hydroxychloroquine sulfate is a colorless crystalline solid, soluble in water to at least 20 percent; chemically the drug is 2-4-7-Chloro-4-quinolylaminopentylethylamino ethanol sulfate 11. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. She’ll decide whether to take you off the drug and how to treat your symptoms. Tell your doctor right away if you think you’re having a reaction to a sulfa drug. Does chloroquine sulfate have sulfa in it Hydroxychloroquine Side Effects, Dosage, Uses, and More, Sulfa allergy Which medications should I avoid? - Mayo Clinic Buy chloroquine and proguanilApo-hydroxychloroquine 200 mgChloroquine interfer nucleic acid biosynthesisSide effect of hydroxychloroquine sulfate I have a sulfa allergy, and have taken Plaquenil for 4 years without any adverse effects. I can say, however, that I have not had any cross allergic reaction to other drugs sometimes associated with sulfa allergies. Plaquenil and Sulfa Allergies" Lupus Community - Support Group. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Allergy to Sulphur Healthfully. Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Laccheo on are chloroquine and sulfa related The drug chloroquine has no sulfa in it. 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. 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.