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Why Have I Had Black Stool With Mucus And Constipation For Two Weeks?

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Posted on Wed, 20 Apr 2022
Question: I had black stool with mucus & constipation since last fortnight. I had normal results of LFT& KFT Blood test. What is the reason & what is the remedy.
doctor
Answered by Dr. Shinas Hussain (2 hours later)
Brief Answer:
A detailed evaluation is needed.

Detailed Answer:

Hello,

Black colored stools indicate bleeding or other minor injuries in the upper part of your gastrointestinal system. The altered blood that appears black. Other causes like the intake of certain drugs like iron supplements and certain foods can also cause black stools. However, the most common causes are gastric ulcer bleed. A chronic liver disease is another major cause.
You can consult a gastroenterologist and get evaluated to find out the cause.

You have to get an ultrasound followed by a CT scan to look for any possible intraabdominal causes. An upper GI endoscopy and colonoscopy may also be required in some cases.
Sometimes chronic constipation can cause small tears in the rectum and cause bleeding and stool may turn blackish.
As of now, you can take stool softeners like lactulose for smooth bowel movements.

Wishing you good health.
Thanks
Above answer was peer-reviewed by : Dr. Kampana
doctor
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Follow up: Dr. Shinas Hussain (21 hours later)
What should be an ideal dietary chart /habit to be followed in this situation. Please advise?
doctor
Answered by Dr. Shinas Hussain (18 hours later)
Brief Answer:
you can include more fiber rich foods.

Detailed Answer:

Hi,

You can include more fiber rich foods to your diet for smooth bowel movements. Avoid red meat and junk foods.
You have to add more iron containing foods like green leafy vegetables to compensate blood loss through stool.

Wishing you good health.
Thanks
Note: For further follow up on digestive issues share your reports here and Click here.

Above answer was peer-reviewed by : Dr. Vaishalee Punj
doctor
Answered by
Dr.
Dr. Shinas Hussain

General Surgeon

Practicing since :2015

Answered : 23661 Questions

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Why Have I Had Black Stool With Mucus And Constipation For Two Weeks?

Brief Answer: A detailed evaluation is needed. Detailed Answer: Hello, Black colored stools indicate bleeding or other minor injuries in the upper part of your gastrointestinal system. The altered blood that appears black. Other causes like the intake of certain drugs like iron supplements and certain foods can also cause black stools. However, the most common causes are gastric ulcer bleed. A chronic liver disease is another major cause. You can consult a gastroenterologist and get evaluated to find out the cause. You have to get an ultrasound followed by a CT scan to look for any possible intraabdominal causes. An upper GI endoscopy and colonoscopy may also be required in some cases. Sometimes chronic constipation can cause small tears in the rectum and cause bleeding and stool may turn blackish. As of now, you can take stool softeners like lactulose for smooth bowel movements. Wishing you good health. Thanks