my baby 80. days old.. not. drinking milk properly he is out his hand on mouth why?? if he feel.hungry when he is.put hand on mouth....

A. know why baby does this. teething makes baby cranky due to pain swelling and gum irritation. Can give a silicon or wooden teether or pacifier for ease irritation. clean and massage  baby s gums by fingers. give vit d 3 vita must d 3 or KLM D 3 or D SOL 800 I U 0. 5 ml or 400 I U 1 ml daily till 1 year for strong bones and teeth