What are the symptoms of anemia in colitis?

The main symptoms of anemia caused by colitis include the following aspects: 1. Diarrhea: Due to inflammatory irritation, patients with colitis experience accelerated intestinal motility, often leading to diarrhea. The frequency of diarrhea may range from 3–4 times daily to dozens of episodes per day, and in severe cases, the stool may appear bloody or watery. 2. Abdominal pain: Abdominal pain caused by colitis is typically cramping pain in the lower left abdomen or lower abdomen, though it may involve the entire abdomen. The pain often improves after bowel movements. 3. Rectal bleeding: Patients with colitis may experience rectal bleeding, with blood either coating the surface of the stool or mixed within it. The color of the blood may appear bright red, dark red, or tarry (melena). 4. Symptoms of anemia: Chronic, long-term blood loss leads to anemia, reducing the blood's oxygen-carrying capacity and causing hypoxia in the skin and mucous membranes, resulting in pallor. Persistent diarrhea and impaired nutrient absorption deprive the body of essential energy, leading to fatigue and weakness. Additional symptoms may include paleness of the eyelids and lips, dizziness, tinnitus, and shortness of breath. These symptoms indicate that colitis has already affected the patient's hematological system. Prompt medical evaluation and professional treatment are strongly recommended.