I have a 4 month old baby, he starts crying before sleeping at night, why is it so ? And sometimes he goes on nursing strike , what can I do to overcome these ?

A. Crying of a Baby is mostly because of infantile colic and gas related discomfort which can be relieved by medicine like crolicaid /gastica drops. other reasons could be nasal blockage, ear pairn, diaper rash and more which needs to be ruled out and managed accordingly .