While Crohn’s disease usually develops gradually, some individuals may experience a sudden onset of symptoms. The disease can appear at any age, but it most commonly starts in young adulthood. The exact triggers and mechanisms behind the sudden development of Crohn’s disease are not fully understood, but it is believed to involve a combination of genetic predisposition and environmental factors. If you experience sudden and persistent gastrointestinal symptoms, it is important to contact Florida Digestive Health Specialists for a proper diagnosis.