Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Plaquenil (hydroxychloroquine) with all of your drugs and health problems. Hydroxychloroquine side effects bleeding gums Chloroquine acidic environment Chloroquine 500 mg Hydroxychloroquine brand name canada It just seems the most odd because lots of lupus patients are allergic to sulfa and most lupus patients take plaquenil. I don't know. Before I take it, if it comes to that, I will definitely see another doctor - if he indeed meant exactly what he said. I may see another one anyway, if I can't get to the bottom of what's happening here soon. Feb 19, 2020 SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Feb 17, 2009 It just seems the most odd because lots of lupus patients are allergic to sulfa and most lupus patients take plaquenil. I don't know. Before I take it, if it comes to that, I will definitely see another doctor - if he indeed meant exactly what he said. I may see another one anyway, if I can't get to the bottom of what's happening here soon. For all uses of Plaquenil (hydroxychloroquine): WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Allergic to plaquenil what else can i take Plaquenil Uses, Dosage & Side Effects -, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses How does plaquenil affect your eyesChloroquine mechanism of action lysosomeChloroquine clinical trials cancerRash from hydroxychloroquine I can say, however, that I have not had any cross allergic reaction to other drugs sometimes associated with sulfa allergies. Whether you try Plaquenil or not is ultimately up to you and your doctor, but a lot will depend on the type and severity of reactions that you've had. Rashes are certainly a lot less severe than respiratory reactions. Plaquenil and Sulfa Allergies" Lupus Community - Support.. Plaquenil when allergic to sulfa? Lupus Forums at The Lupus.. Allergic reaction to plaquenil DailyStrength. For Undifferentiated Connective Tissue Disease "I have been taking 200 mg of Plaquenil twice a day for 10 years. I get my vision checked every 6 months. I have had some thinning of my hair and can be nauseated in the morning if I don’t eat but these are minor side effects compared to the symptoms it is treating. 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. I am sorry to hear you can't take plaquenil, it's a great med and I can't go without it. I have heard toxicity is very rare and usually only happens if you've been on plaq for many many years 20+ or take it in high doses, more than the standard 400 mg.