my son is not having proper food and he is reducing wait , he is becoming lean day by day , he doesn't even have formula or breast milk much or even water .

A. It's the lament of many parents: My baby is a picky eater. There are many reasons infants may be finicky about food. They may be teething, tired, not yet ready for solids, or just don't need as much food as you're feeding them. Familiar foods provide your baby comfort in stressful, busy times.