What could cause blood in stool on an 18-year-old?

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Posted on Fri, 4 Oct 2019 in Digestion and Bowels
Question: Hi, I'm extremely concerned as I have health anxiety. Ive had a couple of poop with look like they might have a small amount of blood in them. I did at home occult tests with shown nothing, but my poo today had a red tinge to it and so I decided to test it again. it showed positive for blood. in the past I've been to the doctor about it, and they seemed to brush it off as piles or anal fissure. I'm going for a blood test tomorrow for my hemoglobin for this. I'm just extremely concerned because the occult test has never shown positive before. I really worried and any reassurance would be greatly appreciated.
doctor
Answered by Dr. T Chandrakant 48 minutes later
Brief Answer:
Please give additional information

Detailed Answer:
Hi.
Thanks for your query.
Noted the history, seen the attachments.
I can understand the concerns that you have raised.
You are 18 years old male hence it is most likely to be a serious matter.
We can think about the commonest causes at your age:
Hemorrhoids or piles as they are called - this is a painless condition, piles can not be palpated of digital (finger) rectal examination. Not seen or felt at the anal verge unless prolapsing.
Fissure in ano gives pain also on passing stool.
Other conditions like polyp is painless and rarely causes blood to appear.
Ulcers in colon or rectum gives mucus too.
Any other conditions will give additional symptoms.

Hence it is necessary to have further investigations to know the exact cause and thus get out of anxiety that you have.

Please give additional information for me to assist you better:
Any symptoms or complaints like pain in abdomen, bloating, loose or hard stools sometime?
Pain in abdomen or difficulty in passing stool?
Pain at the anal verge or burning during or after passing stool?
Any other information please.

Awaiting for your feedback.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. T Chandrakant 1 hour later
Hi, thanks for responding. I don't experience any pain. I've been to the doctor a couple of times and they gave a rectal examination of the finger. Both said they couldn't feel anything. They also felt my stomach and felt nothing also. My poo is usually a medium/soft consistancy. the other day however, I went to the toilet around 6 times due to loose stool. lately I've also been experiencing more gas than usual and feeling the need to go to the toilet more, but I tend to hold it in. I've also noticed that when wiping there is more mucus than usual and rarely a spot of blood originating from the anus.
doctor
Answered by Dr. T Chandrakant 5 minutes later
Brief Answer:
As advised

Detailed Answer:
Thanks for your feedback.
All the symptoms are suggestive of colitis, which gives mucus and blood.
I would advise you the following:
Get the stool tests done for a few days.
If there is any evidence of an infection your Doctor will give you an appropriate prescription based antibiotics, metronidazole, probiotics as per the reports and may solve your problems.
You should never hold the passing of stool as it can create more problems.
No outside food; best be the homemade usual food.
Boiled for 20 minutes and cooled water preferably.

Please give me feedback of the stool tests and the medications you will be prescribed.

Take care.
Dr T Chandrakant.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. T Chandrakant 26 hours later
Hi again, I went for the blood test today and are awaiting my results. I just wanted to ask, does colitis change the colour of the feces? I've noticed that the poo is a darker colour outside the water, where as when it's been sitting in the water for a few seconds, that part becomes a lighter colour. I was wondering if this could possibly blood being washed off the surface? if this is normal with all poo? There doesn't seem to be any red seeping from it when this occurs.
doctor
Answered by Dr. T Chandrakant 6 hours later
Brief Answer:
Best to get stool tests for 3 consecutive days

Detailed Answer:
Hi.
Thanks for your review.
Such details as change of color on touch with water and so on as seen by you is not documented hence it is of utmost importance to get the stool tests for 3 consecutive days which can tell us the exact diagnosis to have the most appropriate treatment.
Color of stool depends upon many factors. Color matters if there is redness or if the stool is black indicating bleeding from upper GI area or white indicating obstructive jaundice.
Hence get stool tests done and post me the reports of blood and stool reports.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. T Chandrakant

General Surgeon

Practicing since :1984

Answered : 17971 Questions

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