my baby is 2 n half month old his birth weight was 3200gm n now his weight is 4500gm is that normal after vaccination he loses his weight n have weakness what to do for that..how to increase his weight

A. ideally you should give exclusive breastfeeding to your child for proper weight gain the digestion should be good you need to see that the baby is feeding well you can give bonnisan drops three times a day to your child but still if the problem remains you can give formula feed also