Peptic Disorder is a medical condition that is characterized by the formation of ulcers in the lining of the stomach and small intestine. ULCER is the five letter crossword solution for this term. Peptic Disorders are caused by an imbalance of digestive juices in the stomach, which can lead to inflammation and irritation of the stomach lining. Treatment for Peptic Disorders typically involves medications to reduce acid production and antibiotics to treat any bacterial infections.