Why Do Patients with Ulcerative Colitis Experience Changes in Stool?

Ulcerative colitis, a chronic inflammatory bowel disease, significantly affects the large intestine and often leads to noticeable changes in stool appearance and consistency. One of the hallmark symptoms is the presence of mucus, pus, and blood in the stool, which can vary depending on the severity of the condition.

Loose or Watery Stools

Patients commonly experience stools that are unformed or loose due to increased water content. In mild cases, small amounts of blood streaks may be visible. As the disease progresses, the stool may contain old blood clots or even appear predominantly as blood with very little solid waste. When the stool consists mostly of blood, it typically indicates a severe flare-up of ulcerative colitis.

Diarrhea During Flare-Ups and Remission

Diarrhea is another common symptom experienced by patients. During active phases, stools may resemble a paste-like consistency and often contain blood. However, during periods of remission, patients may still have frequent bowel movements but without blood. If the overall health of the patient is stable and there are no signs of bleeding, doctors may interpret this as a sign of disease control or partial remission.

Understanding these stool characteristics is essential for monitoring disease activity and guiding treatment decisions. Regular communication with healthcare providers ensures timely intervention when symptoms worsen.