According to Jenny McGlothlin and Katja Rowell, MD, authors of Helping Your Child with Extreme Picky Eating, some parents think that their children are allergic when it is a lactose intolerance. In those cases, lactose-free milk, hard aged cheeses, some yogurt, and even chocolate milk are more readily tolerated. Additionally, some children grow out of an earlier sensitivity and even allergies. Check with your doctor for more detailed information.