Can Dental Work Cause a Rash?

July 7, 2025

Yes, dental work can sometimes cause a rash—but it’s rare. Most rashes after dental treatment are allergic reactions or skin sensitivities to materials used during the procedure.


Why a Rash Might Appear After Dental Treatment

Experiencing a skin rash after a dental visit? You’re not alone. While uncommon, rashes can occur due to:


  • Allergic reactions – Some patients are sensitive to dental materials like latex gloves, metal alloys (e.g., nickel), or even adhesives in dental crowns and dentures.
  • Medication side effects – Antibiotics or local anesthetics used during treatment can trigger skin reactions.
  • Contact dermatitis – Skin around the mouth or face may react to products used during cleaning or restorations.


Most rashes show up within a few hours to a day after treatment and usually go away with over-the-counter antihistamines or topical creams. If it persists, see your dentist or doctor.


If your rash spreads, causes swelling, or comes with breathing issues, seek medical help immediately. Otherwise, document the reaction and let your dentist know before your next visit. They may adjust the materials used or recommend an allergy test.


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From emergency dental care to beautiful porcelain veneers, Schwimmer Dental is your go-to for top-quality dental care in New Jersey. Book your appointment today!


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