Diarrhea and black stools are signs of what disease?

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Hello doctor,
Today, I was sad to go to the bathroom and when I went, I had diarrhea and black stools. My period is now 5 days late. I used to go to the doctor and learned that I had antral sphincteric congestion, took medicine to treat it, but it was gone from 5 months ago. Due to the epidemic, I could not carry out the follow-up examination as scheduled. I only have abdominal pain and black stools, other than that there are no other symptoms. Doctor let me ask, diarrhea, black stool is a sign of what disease?
Anonymous client
Answer
Answered by Master, Doctor Vu Tan Phuc - Gastroenterologist - Department of Medical Examination & Internal Medicine, Vinmec Phu Quoc International General Hospital.
Hello,
With the question "Diarrhea, black stool is a sign of disease?", the doctor would like to answer as follows:
Black stools can be caused by bleeding in the digestive system (stomach, duodenum, etc.) colon). However, black stools in gastrointestinal bleeding are usually thick, thick, and have a very foul odor. Therefore, you should not worry too much, you should first drink a lot of water, take medicine to treat diarrhea. If after the diarrhea is gone, but you still see black stools, visit a specialist to check for specific advice.
If you still have questions about diarrhea, you can go to a hospital of Vinmec Health System for further examination and advice. Thank you for trusting and sending questions to Vinmec. Wishing you lots of health.
Best regards!