Hello Sir, for past couple of weeks my baby seemed a little constipated. he is 9months old and is on Solid foods. so far he has tried many different textures and types of foods but past two days his poop seemt black tarry like. last week it had black and yellow stained poop but since past two days it's black. we tested for occult blood in stool and found some RBC traces in it. kindly please advise