Areas commonly affected by Behcet’s disease include: Mouth. Painful mouth sores that look similar to canker sores are the most common sign of Behcet’s disease. They begin as… Skin. Some people develop acnelike sores on their bodies. Others develop red, raised and tender nodules on their skin,… …
https://www.mayoclinic.org/diseases-conditions/behcets-disease/symptoms-causes/syc-20351326

