Are hemorrhoids dangerous?
Medically reviewed by Dr. Robert William, MD · Written by Kevin Schwaner · Updated July 2026
Quick Answer
Hemorrhoids are common and rarely dangerous; most cause discomfort, itching, and minor bleeding that resolves with conservative care. Complications are uncommon but possible: a thrombosed hemorrhoid is very painful, and ongoing bleeding can occasionally lead to anemia. The real risk is assuming rectal bleeding is "just hemorrhoids," so any new or persistent bleeding should be evaluated to rule out other causes.
For the vast majority of people, hemorrhoids are a nuisance rather than a threat. They cause itching, discomfort, swelling, and bright-red bleeding, and they typically improve with fiber, hydration, gentle cleansing, and topicals. Serious complications are uncommon.
They are not entirely without risk, though. A thrombosed external hemorrhoid can be intensely painful, chronic bleeding can occasionally cause iron-deficiency anemia, and a permanently prolapsed (Grade IV) hemorrhoid may need a procedure. The most important safety point is diagnostic: rectal bleeding has other causes, including colorectal cancer, so a first or changing episode should be checked by a doctor rather than assumed to be hemorrhoids.
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Sources
- NIH / NIDDK: Hemorrhoids
- ASCRS Clinical Practice Guidelines for the Management of Hemorrhoids
Related Questions
When should you see a doctor for hemorrhoids? →How can you tell hemorrhoids from colon cancer? →How do you stop a hemorrhoid from bleeding? →*Informational only, not a substitute for professional medical advice. Any rectal bleeding should be evaluated by a doctor. These statements have not been evaluated by the FDA.