What is a common symptom of internal hemorrhoids?

Bright red blood in stool is indeed a common symptom of internal hemorrhoids. These hemorrhoids are located inside the rectum, and they can cause bleeding as a result of straining during bowel movements or increased pressure in the rectal area. The blood typically appears bright red because it originates from the lower gastrointestinal tract, indicating that it's fresher and closer to the exit point, unlike darker blood that might indicate issues higher up in the digestive system.

Additionally, while other symptoms such as abdominal pain can occur with various gastrointestinal issues, they are not specific to internal hemorrhoids. Instead, the presence of bright red blood is a more direct and typical sign of this condition, allowing healthcare providers to make a more accurate assessment and diagnosis.