### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
Hi Doctor, Baby is 3 month old. Birth weight 2.9kg. Weight at 10 weeks is 4.6kg. Gaining average of 700gms. She had loose motions and rash (chaffed skin) at anus since 12 days of birth. Her urine & stool are acidic. Last month her stool pH was 6.0, reducing substance - absent. We started giving her homeopathy medicine (on consulting doctor) since 2 weeks. Rash seems to get better. She is on nutritional supplement for last 3 weeks. Got her urine & stool tested again now. Stool pH is at 4.5. Reducing substance -present. Urine is acidic. She is exclusively on breastfeeding. Is she lactose intolerant? Can breastfeeding be continued? Or supplement feed be given? Please advice on a solution for acidity control & anal ulcer/rash. How to proceed further..

### output:

Welcome to the ChatDoctorBrief... It could be metabolic disorder (galactosemia) or zinc deficiency. Detailed answer. As I have gone through your children history. It seems that she might be having galactosemia in which child can not tolerate breastfeed, and have positive reducing substances. Lactose intolerance occur if child is having cows milk. So it is less likely that she is having lactose intolerance. Other cause can be zinc deficiency, which can also cause these symptoms. My suggestion would be if she is having only rashes and loose motion then make sure she is getting zinc supplement and if she gets other symptoms like jaundice, lethargy, hypoglycemia (get her blood sugar test done) and discuss with allopathic pediatrician further. Hopefully my answer will be helpful. Chat Doctor. 