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Mouth ulcer or oral lesion

A small ulcer may settle, but a lesion that persists, recurs, spreads or prevents eating and drinking should be examined.

Direct guidance

What to know or do

Check medicated mouth gels or rinses before use. Seek prompt care for facial swelling, fever, dehydration, difficulty swallowing or breathing, eye involvement or a lesion lasting longer than expected.

What changes the answer

  • The exact ingredient, procedure, body area, amount and frequency
  • Whether treatment is medically needed or can reasonably be postponed
  • Skin damage, infection, fumes, heat, radiation and medicines used with the procedure

Check with your care team

When to get individual help

Contact your doctor or maternity service promptly and describe the timing, severity, associated symptoms and pregnancy week so they can choose the right assessment.