What are the typical symptoms of oral ulcer?

Oral ulcer, also known as aphtha, is a superficial ulcer that occurs on the oral mucosa. Oral ulcer is a common symptom in daily life, which will be encountered more or less in people's life. The symptoms of oral ulcer are as follows.

(1) Mild aphtha. It usually occurs in the part of oral mucosa with poor keratinization. Ulcers are round or oval, with different sizes and numbers, scattered distribution, neat edges and redness around them. Pain is self-limited, there is a history of recurrence, and no scars are left after recovery.

(2) Herpes-like aphtha. Ulcers are small, the number can be more than 20, and they are widely distributed without aggregation and fusion. The patient has systemic symptoms such as pain, headache and low fever. No scar left after healing.

(3) Periglandular aphtha.

It usually occurs in the mucosa of the inner lip and mouth corner. Ulcer is often single, large and deep, in the shape of "crater", with raised edges and uneven bottom. The course of disease is long, and scars can be left after healing.

(4) Behcet's syndrome.

If the damage of mouth, eyes, genitals and skin has occurred, it should be diagnosed in combination with other system damage analysis.