What Causes Colic In A Baby. It is most common during the first 6 weeks of life. Colic is defined as when a baby’s crying:

This is a sweeping diagnosis that only deals with the symptoms and not the root cause. Research has found that infant gerd (gastroesophageal reflux disease) can trigger episodes in colicky babies, though it doesn't cause colic. (gas does not cause colic, but seems to be a symptom of colic from babies swallowing too much air when they are crying.) the crying is often worse in the evening hours.
