Difference between Melena and Hematochezia

What is the difference between Melena and Hematochezia?

Melena as a noun is the passage of dark, tarry stools containing blood, as the result of upper gastrointestinal bleeding while Hematochezia as a noun is the passing of bloody stools

We hope you now know whether to use Melena or Hematochezia in your sentence.