Behcet's disease is a rare, chronic, lifelong disorder that involves inflammation of blood vessels throughout the body. Symptoms of Behcet's disease include recurrent oral ulcers (resembling canker sores), recurrent genital ulcers, and eye inflammation. The disorder may also cause various types of skin lesions, arthritis, bowel inflammation, and meningitis (inflammation of the membranes of the brain and spinal cord).