Three Month Old Extremely Cranky Intermittently Since Last Few Weeks.

Three month old extremely cranky intermittently since last few weeks. Cries while held or laid down passing winds and burping quite often. Have given her neopeptine drops daily as prescribed by her pd but the pain returned again. Gave her colimex drops again and she finally slept.baby is completely formula fed since birth and takes farex stage 1 formula. Is there a possibility that this formula does not suit her though she has gained good height and weight since birth.plz help