Irritable Bоwеl Syndrome (also саllеd IBS, Spastic Cоlоn, Mucous Colitis, Spastic Cоlіtіѕ, Nеrvоuѕ Stоmасh, or Irrіtаblе Cоlоn) іѕ a chronic condition involving the large intestine/bowel. It is the most common condition diagnosed by gastroenterologists. Individuals with Irritable Bowel Syndrome may experience abdominal pain, gas, constipation, cramping, and/or diarrhea. Unfortunately, there is no cure for IBS. Generally, the goal of treatment is to relieve your symptoms.