<s>[INST] Hello, I have a 5 months old baby boy.He is having loose motions 10 to 12 times a day since nine days. The doctor says it is lactose intolerance and he has suggested biflac powder and z&d syrup.I am confused about there dosage.Unable to contact the doctor. Please advice. [/INST] Hi...greetings from Chennai. It seems your kid is having viral diarrhea. Once it starts it will take 5-7 days to completely get better. Unless the kids having low urine output or very dull or excessively sleepy or blood in motion or green bilious vomiting...you need not worry. There is no need to use antibiotics unless there is blood in the motion. Antibiotics might worsen if unnecessarily used causing antibiotic associated diarrhea. I suggest you use zinc supplements (Z&D Chat Doctor.  </s>