Gastrointestinal disorders such as GERD, diarrhea, and colorectal cancer can cause symptoms like abdominal pain, bloating, gas, and constipation. There are two main types of gastrointestinal disorders: functional and structural. With functional disorders, the appearance of the bowel is unchanged, but its function is decreased. With structural disorders, both the appearance and the function of the bowel is impacted. Gastrointestinal disorders can lead to anal fissures, perianal infections, and hemorrhoids. Read this section of our blog to learn more about specific gastrointestinal diseases.