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In short
Bright red blood on the paper or in the pan after a motion is most often from piles or a small tear called a fissure. But the same blood can come from polyps, inflammation or other bowel problems. A short examination tells them apart. Some people need a colonoscopy to be sure, even when piles are found.
Dr Harsh Shah
MS, MCh (Surgical Gastroenterology), DrNB (Surgical Gastroenterology)
Registered with Gujarat Medical Council, Reg. No. G-38738
GI & Proctology Surgeon
Dr. Jivraj Mehta Hospital, Vasna, Ahmedabad · 18 years of experience
★★★★★ Google rating 4.94 from 18 reviews
The colour of the blood and where you see it give the first clue. Bright red blood on the surface usually comes from near the anus.
Blood from the last few centimetres of the bowel stays bright red, because it has no time to change. Blood from higher up mixes with the stool and turns darker. Black, sticky, tar-like stool is a different matter. It usually means bleeding from the stomach or upper gut, and needs a doctor the same day.
| What you notice | Most common cause | What it means for you |
|---|---|---|
| Bright red drops in the pan or on the paper, little or no pain | Piles | Common and usually simple, but still worth a check |
| A streak of bright blood with sharp, cutting pain during a motion | Fissure (a small tear) | Usually heals with soft stools and an ointment |
| Blood mixed into the stool, or darker red | A source higher in the bowel | Needs a look inside the bowel |
| Blood with mucus and loose motions | Inflammation of the bowel lining (colitis or proctitis) | Needs tests and medical treatment |
| Black, tarry stool | Bleeding from the stomach or upper gut | See a doctor the same day |
| Heavy bleeding with clots, dizziness or fainting | Any of the above | Go to the nearest emergency department now |
These are patterns, not rules. Piles can bleed heavily. A growth low in the rectum can bleed bright red, just like piles. That is why the colour alone is never enough.
Piles are so common that many adults have them without trouble. Finding piles does not prove that the piles are the cause of the bleeding.
Piles are normal cushions of blood vessels inside the anal canal. When they swell, they bleed. By middle age, many people have some swelling there. So a doctor may see piles and still need to check that nothing else is bleeding higher up.
This is the most common mistake with back-passage bleeding. Someone is told “it is only piles”, uses creams for months, and a second problem is found late. A simple examination at the start prevents this. Most of the time it confirms piles or a fissure, and you can treat it with a clear mind.
Some signs mean the bleeding should not be put down to piles until the whole bowel has been checked, usually with a colonoscopy.
Having one of these signs does not mean something serious is there. It means a look inside the bowel is the safe next step.
A colonoscopy is advised when your age, symptoms or family history call for it. A young person with a clear fissure often needs only a clinic examination.
A colonoscopy is a test where a thin, flexible camera looks at the whole large bowel. It is done under light sedation after a bowel clean-out. A shorter test, a sigmoidoscopy, looks at the lower part only.
| Your situation | Usual check |
|---|---|
| Under about 40, bright blood with typical fissure pain, no warning signs | Clinic examination; a colonoscopy only if it does not settle with treatment |
| Under about 40, bright bleeding without pain, piles seen on proctoscopy, no warning signs | Treat the piles; check again if bleeding continues |
| Over about 45 with new bleeding and no recent colonoscopy | Colonoscopy, even if piles are found |
| Any age with a warning sign from the list above | Colonoscopy |
| Blood with mucus and loose motions | Colonoscopy with small tissue samples |
The aim is not to test everyone. The aim is to test the right people, so that a serious cause is never missed and a simple one is not over-tested.
The first visit takes a few minutes and is done in a closed room with you covered. Most people leave knowing the likely cause.
Dr Harsh Shah sees back-passage problems at Dr. Jivraj Mehta Hospital, Vasna. Piles, fissure, fistula and abscess care are set out together on the piles, fissure and fistula clinic page.
Most bleeding piles settle with soft stools and less straining. Piles that keep bleeding are often treated with banding in the clinic.
Fibre, water and a stool softener stop the straining that makes piles bleed. If bleeding continues, rubber band ligation is a short clinic procedure that shrinks the pile. Large piles that stay outside may need an operation to remove them. The choice depends on the grade of the piles, which the examination decides.
Keep stools soft, avoid straining, and do not stay on a cream for months without being examined.
No. It is most often from piles or a fissure, but polyps, inflammation and other bowel problems can also cause bright red blood. An examination tells them apart.
Not always. It is advised if you are over about 45, have a change in bowel habit, weight loss, anaemia, a family history of bowel disease, or bleeding that continues after treatment.
Yes. Both are common and can exist at the same time. The examination looks for both, and each is treated in its own way.
A single streak after a hard motion, with pain, is often a fissure and may settle. If it happens again, or you have any warning sign, get it checked.
Heavy bleeding with clots, dizziness, fainting, a fast heartbeat or black tarry stool needs the nearest emergency department straight away.
It is usually uncomfortable rather than painful, and takes a few minutes. If a fissure is very sore, the finger examination is skipped or done later.
All back-passage problems seen by Dr Harsh Shah are explained on the piles, fissure and fistula clinic page.
Dr. Jivraj Mehta Hospital, Vasna, Ahmedabad
Dr. Jivraj Mehta Hospital, Dr Jivraj Mehta Marg, Vasna, Ahmedabad 380007. Operations and inpatient care.
+91-63555-64601 · Directions to Dr. Jivraj Mehta Hospital, Vasna
Bleeding from the back passage that has not been checked yet? Please bring any earlier blood test or colonoscopy report to the consultation. Heavy bleeding with clots or dizziness needs the nearest emergency department now. Call +91-63555-64601 Send reports before your visit
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