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What drugs may be okay with sulfa allergies?

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Even if you’re allergic to antibiotics that have sulfa, you might be able to take some other types of sulfa drugs without a reaction. Ones that may be safe to take include:

But be sure to tell your doctor if you have a sulfa allergy before taking any of these.

  • Glyburide (Glynase, Diabeta), a drug for diabetes
  • Celecoxib (Celebrex), a nonsteroidal anti-inflammatory medicine (NSAID)
  • Sumatriptan (Imitrex, Sumavel Dosepro), a migraine drug
  • Water pills, or diuretics, including furosemide (Lasix) and hydrochlorothiazide (Microzide)

SOURCES:

DermNet New Zealand: “Sulfa Drugs and the Skin.”

Canadian Family Physician : “Approach to Managing Patients with Sulfa Allergy.”

American College of Allergy, Asthma and Immunology: “Drug Allergies.”

Merck Manual, Professional Version: “Sulfonamides.”

Cleveland Clinic: “Sulfite Sensitivity.”

Reviewed by Jennifer Robinson on May 12, 2019

SOURCES:

DermNet New Zealand: “Sulfa Drugs and the Skin.”

Canadian Family Physician : “Approach to Managing Patients with Sulfa Allergy.”

American College of Allergy, Asthma and Immunology: “Drug Allergies.”

Merck Manual, Professional Version: “Sulfonamides.”

Cleveland Clinic: “Sulfite Sensitivity.”

Reviewed by Jennifer Robinson on May 12, 2019

NEXT QUESTION:

What is the difference between sulfa allergies and sulfite allergies?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.

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