10 month old diarrhea

Venice • 👶🏽 miracle IVF baby boy

Started off as a cold last week now we're about Six Days in of unsolid watery stools

He has an appetite and is in great spirits. No weight loss. His cold symptoms have definitely decreased but he is breastfed and online there aren't many further instructions for things to give him to help with the diarrhea. Any suggestions!?!?