If u had black stools then blood is coming from intestines. U might be suffering from colitis or intestinal ulcers.
That’s y u had no pain or constipation because source of blood is not rectum or Anus.
Kindly consult this can be very dangerous can lead to intestinal perforation and septicaemia and acute blood shortage
Kindly consult with detail history to reach the exact cause.
Next Steps
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