Crying is a newborn's only real language, and there's a wide range of what's ordinary. Knowing where that range sits — and having a genuine plan for the moments it pushes past what you can handle — matters for both of you.
How much crying is normal
Newborns routinely cry one to four hours a day; it's how they call for help, block out overstimulation, and release tension. Crying tends to follow a predictable arc that the CDC's Period of PURPLE Crying program describes with the acronym PURPLE: it begins around two weeks of age, Peaks in the second month, is often Unexpected, Resists soothing, can come with a Pain-like face even when nothing hurts, Lasts a long time, and clusters in the Evening. It generally eases by three to five months.
Colic
About one in five babies cries enough to be called colicky. The AAP's definition tracks the "rule of three": crying for more than three hours a day, more than three days a week, for more than a week, typically starting between two and four weeks of age and resolving by three to four months. The exact cause isn't well understood. What is well established: the NHS states plainly that anti-colic drops, herbal remedies, and probiotic supplements haven't been shown to help, and neither has spinal manipulation or cranial osteopathy.
Soothing techniques worth trying
Rhythmic motion — rocking, gentle bouncing, a stroller or car ride
White noise or other steady, calming sound
Holding your baby upright, or across your forearm in a gentle "colic hold"
A pacifier
A warm bath
Feeding upright to reduce swallowed air, and burping regularly
When you feel like you can't take any more
This is the part that gets skipped in a lot of crying advice, and it shouldn't be. Overwhelming, inconsolable crying is exactly the situation where the risk of shaking a baby goes up — a real and serious danger, not a hypothetical one.
Abusive head trauma from shaking occurs in an estimated 25 to 35 infants per 100,000 each year, with reported mortality between 10% and 20%, and it peaks between six and eight weeks of age — right in the middle of the PURPLE crying period. If you feel yourself losing control: place your baby on their back in a safe space like a crib or playpen, with no loose bedding, and leave the room. It's okay to let them cry alone for 10 to 15 minutes while you calm down — put on music, call someone, do a quick chore. Check on them without picking them up until you feel steady, then try soothing again. If the crying continues and nothing is working, call your baby's doctor; there may be a medical reason behind it. It is never safe to shake, throw, hit, slam, or jerk a child — and it never solves the problem. (For context: hospital-based implementation of the PURPLE Crying program in Canada was associated with a 35% drop in abusive-head-trauma-related hospital admissions among children under two.)
Sources
Every claim, sourced
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