Aphthous ulcer history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Symptoms

Common Symptoms

The first symptom of an aphthous ulcer is usually a tingling or burning sensation that you feel before other symptoms develop. The following symptoms may then occur:

• Painful, red spot or bump that develops into an open ulcer
  • Center is colored white or yellow
  • Usually small (under 1 cm) but occasionally larger
  • Single bump or group of bumps (crops)
• Sore may turn gray just before starting to heal
• Pain decreases in 7 to 10 days, with complete healing in 1 to 3 weeks.

• Particularly large ulcers (greater than 1 cm in diameter) often take longer to heal (2 to 4 weeks). Occasionally, a severe occurrence may be accompanied by nonspecific symptoms of illness, such as fever.

Canker sores often return.

Less Common Symptoms

Less common symptoms include:

• Fever
• General discomfort or uneasiness (malaise)
• Swollen lymph nodes

References

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