Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. What are the side effects of the drug hydroxychloroquine Chloroquine phosphate pregnancy Taking plaquenil while having yeast infections Plaquenil for recurrent pregnancy loss Other types of sulfa medications may trigger a reaction in some people who have a sulfa allergy Sulfasalazine Azulfidine, used to treat Crohn's disease, ulcerative colitis and rheumatoid arthritis. Dapsone, used to treat leprosy, dermatitis and certain types of pneumonia. If I have a sulfa allergy from Bactrim, can I take these other drugs? Here’s a list of common sulfa drugs that I get asked about a lot from patients who have had allergic reactions to Bactrim. If you’ve had an allergic reaction to Bactrim, you do not need to routinely avoid these medications, even though they are technically sulfonamide. Feb 17, 2009 I just wanted to let you know that I am highly allergic to sulfa drugs and have been on plaquenil for almost 8 years with no problems at all. I did accidentally take a sulfa drug about 5 years ago and still had the horrible reaction so know I'm still allergic even while being on plaquenil. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Can i use of hydroxychloroquine with sulfa allergy Plaquenil Oral Uses, Side Effects, Interactions., Sulfa Allergies Should You Avoid Other Drugs if You're. Plaquenil 200 mg bidChloroquine toxicity symptomsStop taking plaquenil A retrospective cohort study of 969 patients with reported sulfa allergy concluded that there were no clinically significant allergic responses in patients with a documented sulfonamide allergy to. Sulfa, Sulfur, Sulfate, Sulfite Which Causes an Allergy?. Plaquenil when allergic to sulfa? Lupus Forums at The Lupus.. Sulfa Allergies What You Need to Know. Sep 02, 2009 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. These are not sulfates. Sulfate used after a drug name is just the last name of the chemical, its the sulfate salt. It has nothing to do with sulfonamides. Allergy to sulfonamide antibiotics has no relationship to allergies to hydroxychloroquine. Hydroxychloroquine Sulfate Allergy Definition This is a medication that is classified as an antimalarial drug. However, it has a number of other uses including lupus, arthritis, and various other autoimmune disorders. As with other drugs, an allergic reaction may be manifested by rash, headaches, blurred vision, or GI upset.