A generally healthy baby who cries, struggles, or is unhappy and inconsolable for more than three hours a day, at least 3 times a week, has colic. Dr. Wessel wrote these diagnostic criteria as early as the 1950s. At that time, the baby also had to have symptoms for at least 3 weeks. Now, one week is enough to make a diagnosis. The crying does not need to be continuous for 3 hours; the total time is counted.

If your baby has colic, we have one piece of advice to give: Do not hesitate and do not wait to seek help from a professional colic specialist.