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Are any sulfa drugs safe if I have sulfa allergies?

ANSWER

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. These include:

Tell your doctor if you have a sulfa allergy before you take 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

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What's the difference between sulfa allergies and sulfite allergies?

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