Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil for chronic pain Hydroxychloroquine and taltz for axspa Plaquenil can they be cut in half Avoid taking an antacid or Kaopectate kaolin-pectin within 4 hours before or after you take hydroxychloroquine. Some antacids can make it harder for your body to absorb hydroxychloroquine. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Can you take hydroxychloroquine sulfate if youre allergic to.sulfa Hydroxychloroquine Side Effects, Dosage, Uses, and More, Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Hydroxychloroquine sulfate genericPlaquenil and ibuprofen 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 Group. Hydroxychloroquine SULFATE -. How good is Hydroxychloroquine, and any side. - HealthUnlocked. Avoid taking an antacid or Kaopectate kaolin-pectin within 4 hours before or after you take hydroxychloroquine. Some antacids can make it harder for your body to absorb hydroxychloroquine. What other drugs will affect hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Hydroxychloroquine can cause serious liver or heart problems. I am allergic to sulfa i.e wheezing after sulfa based antibiotics, but have never had problems with Plaquenil. It's been such a helpful drug for the fatigue that I'm so glad that it's never presented any problems. I don't take certain NSAIDs e.g. Celebrex, but can tolerate most of them. If you are allergic to sulfa drugs does this mean you can't take plaquenil? Support Forums. But the doc said that they cannot give her plaquenil because she is allergic to sulfa drugs. Is this right? I didn't think it had sulphur in it. I have been allergic to sulfa meds for over 30 years.