Our Services
Medical Information
Helpful Resources
Published on: 1/15/2026
People often ignore early signs like mild rectal bleeding, frequent urgent bowel movements, persistent diarrhea, cramping, unexplained fatigue, and gradual weight loss, sometimes along with joint, skin, or eye inflammation. There are several factors to consider, including red-flag symptoms such as escalating bloody diarrhea, severe abdominal pain, fever, dehydration, or anemia that need urgent care. See below for full details, what to do next, and how to talk to your doctor.
Ulcerative colitis (UC) is a chronic inflammatory bowel disease affecting the lining of the colon and rectum. Early symptoms can be mild and easily dismissed, but recognizing them promptly can prevent severe complications. Below, we outline common warning signs people often overlook, why they matter, and when to seek medical attention.
Why they’re ignored: embarrassment, normalizing mild GI upset, confusing UC with IBS or food intolerances.
As UC advances, mild symptoms can escalate into more severe issues that demand immediate attention.
Left untreated, severe UC can lead to life-threatening complications like perforation of the colon, severe bleeding, and sepsis.
Ulcerative colitis affects more than the gut. People often ignore these non-intestinal signs until they become serious:
According to the British Society of Gastroenterology (Lamb CA et al., 2019) and other experts (Ungaro R et al., 2017):
If you recognize any of the symptoms above:
Call your doctor or go to the emergency department if you experience:
These may indicate serious complications such as toxic megacolon, severe dehydration, or systemic infection.
When you see a healthcare professional:
Prompt recognition and medical care are crucial. If you suspect ulcerative colitis or have severe symptoms, speak to a doctor right away.
(References)
We would love to help them too.
For First Time Users
We provide a database of explanations from real doctors on a range of medical topics. Get started by exploring our library of questions and topics you want to learn more about.
Was this page helpful?
Purpose and positioning of servicesUbie Doctor's Note is a service for informational purposes. The provision of information by physicians, medical professionals, etc. is not a medical treatment. If medical treatment is required, please consult your doctor or medical institution. We strive to provide reliable and accurate information, but we do not guarantee the completeness of the content. If you find any errors in the information, please contact us.