Should I worry if there's blood in my baby's diaper ...
If your baby has a severe diaper rash, it can leave traces of blood in her diaper. You'll know well enough if your baby has a bad diaper rash. You can help prevent and treat her diaper rash at home. If your older baby has normal poos, but they're tinged with red blood she may have a cow's milk protein allergy. Milk allergy is the most common ...