question: Hello,my son is 2.5 months old. When he was 1.5 months,he had accute diahherea with green loose motions along with blood and mucous. After the motion test,got to know that the reducing substance to be 1.5%. So doctor advised to switch to zero lac. Otherwise baby was on exclusive breast milk. After introducing zerolac,there is no problem as such. I read in one of the Internet pages that blood in stool is due to milk protein intolerance. Doctors says it s lactose intolerance. When I try to give him breast milk,the problem re occurred. Tried twice,with a gap of 15 days.but no luck. Is this due to milk protein intolerance or lactose? Will my baby develop resistance against this ? On breast milk he had gained weight vigorously. But now his weight gain is slow. Any alternative for zero lac. Also due to the tasteless powder,my son sometimes resists having milk. What can be done?