One and a half years old baby stool black is what reason

One-and-a-half-year-old baby showed black stool, this situation is more common because the baby ate food containing melanin, induced, such as the baby often eat blood products, such as duck blood or pig blood can show black defecation, but also some baby is due to eat mulberry will also show black defecation phenomenon. Baby showed black stool at the same time if accompanied by abdominal pain, poor spirit, pale complexion, conjunctiva white, may be shown by stomach bleeding caused by black blood stool, baby showed a long time black stool need to seek medical attention immediately, need to go to the regular hospital pediatrics or pediatric gastroenterology department registration.