These foods and medicines can make stools look red, like fresh blood |
Certain antibiotics* |
Beets |
Flavored gelatin (red colored) |
Kool-Aid or fruit punch (red colored) |
Red licorice |
Red-dyed snack foods (such as spicy "red hot" snacks) |
These foods and medicines can make stools look black, like old blood |
Stomach medicines that contain bismuth (such as Pepto-Bismol, Maalox, or Kaopectate) |
Activated charcoal |
Chocolate |
Blueberries |
Iron supplements |
Lots of dark green foods (such as spinach or kale) |
These foods can interfere with the test for blood in stool (false-positive result)¶ |
Rare red meat |
Certain vegetables (turnips, horseradish, broccoli, cauliflower, and cantaloupe) |
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