COLOR OF STOOL

• The normal color of stool is brown
• Color to stool

  1. Black
  2. Red
  3. Green
  4. Pale yellow, gray, white
  5. Presence of mucus, blood streaks
• Possible cause of black colored stool

  • Upper GIT bleeding
  • Iron therapy
  • Charcoal
  • Bismuth (antacids)
• Possible cause of red colored stool

  • Lower GIT bleeding
  • Ingestion of beets and food coloring
  • Rifampin
• Possible cause of green colored stool

  • Biliverdin
  • Oral antibiotics
  • Green vegetables
• Possible cause of pale yellow, gray, white colored stool

  • Bile duct obstruction
  • Barium sulfate
• Possible cause of prescence of mucus, blood streak on stool

  • Dysentery
  • malignancy