How do you know if I have anus cancer or just a little blood from a hemorrhoid inside?

By getting a good. Physical exam. Rectal bleeding from hemorrhoids is by far more common then anal cancer. However, one cannot tell the difference as symptoms from both anal cancer and hemorrhoids include bleeding, itching and some perianal discomfort.
See your doctor. It is not an issue for self diagnosis.

Related Questions

Have internal hemorrhoids since July, found 2 hard lumps inch from anus 11/14. Protected anal 10/25 &10/31, Bf and I are vaccinated. Anal cancer sign?

Need to examine. The lumps may be thrombosed hemorrhoids, but it is not feasible to be sure without examining you. It would be prudent to see your doctor for an in-person evaluation. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Read more...

Pain &bright blood w hard BMs. Since colace (docusate sodium) & fiber, seem WAY better, still little bump left side of anus. Is this fissure? No HPV- scared anal cancer

Sounds like. you have hemorrhoids causing your lower GI bleeding and the lump may represent a clotted hemorrhoid. You need to consult with a General Surgeon! Ask your PCP (Primary Care Provider) for a referral Hope this helps! Dr Z. Read more...

Omg! Blood in poop!? How common is anus cancer?

See your doctor. Anus cancer is not that common, but, blood in stools (poop) is a serious issue and you should see your doctor asap. It may be as simple as piles, hemorrhoids, or as serious as a bleeding colon cancer. Read more...