Colic: Soothing a Baby Who Won’t Stop Crying

Few things are harder than holding a baby who won’t stop crying no matter what you do. Colic — intense, inconsolable crying in a healthy baby — is exhausting and can make any parent feel like they’re failing. They’re not. This guide explains what colic is, what genuinely helps soothe it, what else to rule out, and how to protect your own well-being through the hardest weeks.

What colic is (and isn’t)

Colic is described by the "rule of threes": crying more than three hours a day, more than three days a week, for three or more weeks, in an otherwise healthy, well-fed baby. The exact cause is unknown — theories include an immature nervous system, gut discomfort, and sensitivity to stimulation — but crucially, it is not caused by anything you did, and it does not mean your baby is unwell or unhappy with you.

The timeline

Colic typically starts around two to three weeks, peaks near six weeks, and fades by three to four months. That predictable arc is genuinely comforting in the thick of it: the crying is temporary and self-resolving. Marking the weeks can help you see the light at the end of the tunnel.

Soothing techniques: the 5 S’s

A widely used toolkit is the "5 S’s": swaddling (until signs of rolling), holding the baby on their side or stomach while awake, shushing or white noise, swinging or rhythmic motion, and sucking (breast, bottle, or pacifier). Layer them — many babies need several at once. Babywearing, a stroller or car ride, a warm bath, dim and quiet surroundings, and gentle tummy massage are also worth trying. Expect trial and error.

Rule out other causes

Because colic is a diagnosis of exclusion, see your pediatrician to make sure nothing else is driving the crying — reflux, a cow’s-milk-protein allergy, a feeding problem, or illness. Flag any red flags: poor weight gain, vomiting, blood in the stool, fever, or crying that breaks from the usual pattern. If everything checks out, you can soothe with confidence knowing it’s colic.

Protect your own well-being

Relentless crying is a known trigger for parental stress and, in the worst case, shaking. So make this rule non-negotiable: if you feel overwhelmed, it is completely okay to put your baby down safely in the crib and step away for a few minutes to breathe. Never shake a baby. Trade off with a partner, accept help, and lower the bar on everything non-essential.

When to reach for more help

Call your pediatrician if you’re worried about the crying or your baby’s health, and reach out for yourself if you feel persistently sad, anxious, hopeless, detached, or unable to cope — postpartum mood disorders are common and treatable. Support lines and your provider are there precisely for these moments. You don’t have to white-knuckle it alone.

The bottom line

Colic is intense, inconsolable crying (the rule of threes) in a healthy baby that starts around 2–3 weeks, peaks at 6 weeks, and resolves by 3–4 months. Soothe with the 5 S’s and motion, rule out other causes with your pediatrician, and above all protect yourself — put the baby down safely and step away if you need to, and never shake a baby.