My son is 5 years old and is on a restricted to take milk these days for last 4 months due to abdominal ache and loose stools after milk uptake. He is only 14.9 kgs, 3.5 feet and lean and thin in structure, please advice a proper diet to improve his muscles, weight and health.

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.