My grandson was a born premature he's now 4 yrs old and only weight 33 lbs how can we get his weight up he was just sick resend and lost down to 28 lb?

Increase calories: 5 lb weight loss for a brief illness is significant. Is he is picky eater. Try foods with a larger healthy fat content, such as avocado, butter, peanut butter, nuts. Try giving him more frequent meals totalling 4-5 times per day. Also you can add 1-2 cans of pediasure daily to increase calorie counts in the day.

Ensure: Liquid food supplements that are tasty and are a balanced boost to the regular diet work well to put on weight. You should make sure before you load on the calories that your child is not malabsorbing food or has a reason for not gaining weight. Make sure you have a good checkup and do this with a trained professional ( Pediatrician or Family Practice doc) guiding you