The procedure takes about eight hours during which the patient can carry on with normal activities. Capsule endoscopy can detect disorders in the small intestine which is very long and cannot be reached by a gastroscope. Capsule endoscopy gives an accurate diagnosis and the patient suffers no pain. The capsule is then disposed in   normal excretion. It is recommended for cases where there are unknown causes of anemia, chronic diarrhea, unexplained stomach ache and suspected tumors in the small intestine.