Baby because of fever, pull black stool what reason

The baby has black stools due to fever. It may be caused by taking certain drugs or rectal administration. It may also be caused by eating vegetables, black sesame seeds, pig blood, duck blood, animal liver and other foods, but it cannot be ruled out that it is caused by upper gastrointestinal bleeding. You need to take your child to the hospital as soon as possible for fecal occult blood test to determine the cause of bleeding.