What is Colic?

It is fairly common for babies to go through periods when they appear abnormally irritable, fussy, or seem to cry for no reason. Some babies are fussier than others and may even be described as “colicky.” Colic can be defined as excessive crying or fussiness, usually in the late afternoon. It starts around 2 weeks and generally resolves or is resolving by 12 weeks. Rarely does it endure past six months of age. Pediatricians often use Wessel’s criteria, referred to as the rule of 3s, to define colic: inconsolable crying for 3 hours per day, at least 3 times a week for at least 3 weeks, though in practice, colic may be more loosely defined. About 25 percent or 1 out of 4 babies worldwide meet the official “Rule of Threes” criteria for medical diagnosis of colic.