What does it mean if you have a stomach ache and pass blood when using the toilet?

Abdominal pain accompanied by rectal bleeding is a symptom that requires attention. Below are some common causes:

1. Gastrointestinal ulcers: Ulcers in the digestive tract, such as gastric ulcers or duodenal ulcers, may cause gastrointestinal bleeding, leading to abdominal pain and rectal bleeding. When there is significant bleeding, it may manifest as hematemesis (vomiting blood) or melena (black stool). Treatment typically involves the use of medications such as omeprazole or sodium rabeprazole to inhibit gastric acid secretion and protect the gastric mucosa.

2. Intestinal infections: Intestinal infections such as bacterial dysentery or amoebic dysentery can also cause abdominal pain and rectal bleeding, often accompanied by symptoms such as diarrhea and nausea. These infections are typically caused by bacteria or parasites and require treatment with appropriate antibiotics or antiparasitic medications.

3. Intestinal tumors: Tumors such as colon cancer or rectal cancer may erode blood vessels as they grow, causing bleeding. The pressure and invasion caused by the tumor can also lead to abdominal pain. Treatment options, including surgery, chemotherapy, or radiotherapy, are selected based on the specific characteristics of the tumor and the patient's overall health condition.