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What Does Black Stool When On Pradaxa Indicate?

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Posted on Mon, 27 Apr 2015
Question: Hi. My husband is recovering from kneecap surgery. He is a controlled diabetic and heart patient , 86 years old. He has recently tested for borderline anemia. He takes many meds for thyroid and, heart, including predaxa. His entire stool was black today. This has happened before, a couple of years ago on predaxa. He temporarily stopped predaxa and his stool returned to normal color. He lost 30 pounds during kneecap surgery and recovery. He has not had a recent colonoscopy (ten years ago)? He has a GP appointment for this evening.
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Answered by Dr. Vaibhav Gandhi (59 minutes later)
Brief Answer:
explained below

Detailed Answer:
Hello
I have read your query.
black stools indicate internal bleeding.
yes this can be due to your predaxa medicine.
so hold the predaxa till you consult your doctor.
You may need blood investigation to know haemoglobin level.
Till time take food rich in iron.

do not worry about weight loss.
Diabetic and heart patients will recover early if weight is less.

I hope I have answered your questions. If you have further questions please feel free to contact us. I will be happy to answer. Take care.
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Above answer was peer-reviewed by : Dr. Vinay Bhardwaj
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Answered by
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Dr. Vaibhav Gandhi

Orthopaedic Surgeon

Practicing since :1998

Answered : 5164 Questions

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What Does Black Stool When On Pradaxa Indicate?

Brief Answer: explained below Detailed Answer: Hello I have read your query. black stools indicate internal bleeding. yes this can be due to your predaxa medicine. so hold the predaxa till you consult your doctor. You may need blood investigation to know haemoglobin level. Till time take food rich in iron. do not worry about weight loss. Diabetic and heart patients will recover early if weight is less. I hope I have answered your questions. If you have further questions please feel free to contact us. I will be happy to answer. Take care.