why my baby is having watery motions with undigested milk particles she is having motions from 10-12days using antibiotics, medicines but no use still not cured,why she is having like this?

A. Breastfed Babies with Frequent, Watery Diarrhea: Give your baby breastmilk more often. Also, give extra fluid if breast milk isn't keeping up with the fluid losses. You can use formula or ORS (Pedialyte). Solid foods: If on baby foods, continue them. Cereals are best.