#asktheexperts hi mam, my baby 20 months old, just 2 days back ,suddenly at night 3.30 am he woke up & started to cry like cranky, I thought he is n stomach pain, I gave medcn, later on he slept, and once suddenly he started to cry, 2 night like this happens , and he bite on feeding time so hard ,it's painfull for me too.what was the reason, I don't think it's a behavioral problem but may be worm infestation or teething effect???what was the reason...??