Gastrointestinal diseases refer to the array of disorders that affect the digestive tract either partially or fully. This includes the stomach, intestines, and colon. Ignoring the symptoms increases the risk of major complications, thus making it essential to start early diagnosis and treatment. Persistent abdominal pain, change in bowel habits, unexplained weight loss, and difficulty swallowing or swallowing issues are the most common symptoms of gastrointestinal diseases. However, disease prevention through proper treatment of the symptoms forms the basis of knowing how to seek proper care. Here is a list of symptoms to watch out for.