When Does Colic Usually Start and How Long Does It Last?

Infant crying is a common experience for new parents. While all babies cry, some experience prolonged periods of intense crying known as colic. This condition can be distressing for caregivers. Understanding colic helps parents navigate this temporary phase.

Understanding Infant Colic

Colic describes excessive, inconsolable crying in an otherwise healthy baby. Healthcare providers use the “rule of threes” to define it: crying for more than three hours a day, for more than three days a week, for at least three consecutive weeks. This definition distinguishes colic from typical infant fussiness. Colic is a behavioral diagnosis, not a disease, and does not indicate pain, illness, or poor parenting.

Colic is not a sign of hunger, discomfort from a wet diaper, or a serious medical condition, unless other symptoms are present. Babies with colic feed well, gain weight appropriately, and appear healthy between crying episodes. While the exact cause remains unknown, it resolves on its own.

Typical Onset and Duration

Colic symptoms begin when an infant is a few weeks old, often around two to four weeks after birth. Onset can be slightly later for premature babies. The intensity of crying increases, peaking when the baby is between six and eight weeks of age. This peak period can be challenging for parents.

Colic resolves as the baby matures. Most infants outgrow colic by three to four months of age, though symptoms may persist until about six months. Crying subsides gradually, offering relief to both the baby and caregivers. This resolution occurs without specific medical intervention.

Recognizing Colic Symptoms

Colicky crying has distinct characteristics that differentiate it from regular infant fussiness. The crying is intense, loud, and high-pitched, sounding like screaming or pain. Episodes occur without apparent cause, such as hunger or a dirty diaper, and are difficult to soothe. Crying often follows a predictable pattern, occurring in the late afternoon or evening.

During a colicky episode, babies may exhibit physical behaviors. They might pull their legs up, clench their fists, or arch their back. Their face may become flushed or red, and their abdomen might appear distended or feel tense. These behaviors, with the intense crying, can lead parents to believe their baby is in discomfort.

Support for Colicky Babies and Parents

Several strategies can help soothe a baby experiencing colic. Rhythmic motion, such as gentle rocking in arms, a swing, or a pram, can be calming. Swaddling, which provides a sense of security, and white noise, mimicking sounds from the womb, may offer comfort. Offering a pacifier can satisfy the baby’s sucking reflex, which is naturally soothing.

Other approaches include ensuring the baby is well-burped during and after feeds to reduce swallowed air, and trying skin-to-skin contact. A warm bath can relax a tense baby. For breastfed infants, a mother might consider adjusting her diet by avoiding common allergens like dairy or caffeine, discussed with a healthcare provider. For formula-fed babies, a trial of a hydrolyzed formula can be considered in consultation with a doctor.

Providing support for parents coping with a colicky baby is important. The constant crying can be emotionally and physically draining, leading to frustration, exhaustion, or guilt. Taking short breaks, even just a few minutes, can help parents reset; placing the baby safely in their crib and stepping away is an option if overwhelmed. Seeking support from a partner, family members, or friends can offer relief and a chance to rest.

Parents should remember that colic is not their fault and does not reflect on their parenting abilities. It is a temporary phase that passes. Consulting with a healthcare provider is important to confirm the diagnosis and rule out other medical reasons for the crying. Healthcare professionals can offer reassurance, coping strategies, and guidance on when further evaluation is necessary.