[atr88]

Mouth ulceration is a great buzzword that should make you think of the following diseases:

1. Pemphigus vulgaris (painful ulcer)
2. SLE (painless ulcer)
3. Crohn's disease (aphthous ulcer)
4. Behcet's disease (painful ulcer)

 

[Aung Tun]

Mouth ulcers

Let me add other causes of mouth ulcers

- reactive arthritis ( painful)
-SE of methotrexate