How old ur your baby? Mine will have residual amounts of blood in poo if constipated for too long (3 or 4 days). But it’s really trace amounts, not a drop. If a little more than that for myself, I would be a little paranoid and would see a PD IMO.
sometime if your baby eat papaya. it could be papaya residue rather than blood. my daughter have constipation around age 2.5-3yo. she would hold back her poo. 1 week poo 1 time.. doesn't have blood in stool.
let baby take some dragonfruit to help baby poo. drink more water it may be too hard and it causes spilt and there's blood.
is the poo big ? might have a little tear on the anus . in the mean time , drink lots of fluids . more fruits
knahssn