What is colic?
Infant colic refers to a benign syndrome characterized by episodes of unexplained, intense, and prolonged crying in an otherwise healthy baby. The standard definition (Wessel’s “rule of three”) remains widely used: crying for more than 3 hours a day, on more than 3 days a week, for at least 3 weeks, in an infant younger than 3 months.
Very common, colic affects about one in five to one in four infants between birth and 4 to 5 months of age. Although it can sometimes be trying for parents, it remains a temporary and benign condition that leaves no lasting effects. Understanding this phenomenon and identifying soothing techniques can help you navigate this period with confidence. Additional resources are available for infant colic and infant care in general.
How can you recognize it?
Several characteristic signs help identify colic:
- Intense, high-pitched, sometimes jerkycrying that is difficult to soothe
- Occurs at set times, most often in the late afternoon or early evening
- Legs drawn up to the stomach, back arched or tense
- Clenched fists, red face
- Bloated, tenseabdomen, sometimes hard to the touch
- Passing gas or having a bowel movement may sometimes provide relief
- Baby appears tense, as if in pain, despite being otherwise healthy
- Calm between episodes; normal growth and feeding
- Crying that doesn’t respond to usual soothing methods (breastfeeding, holding, diaper changes)
Maintaining good overall health between episodes is essential: the baby remains alert and energetic, feeds well at the breast or from a bottle, and gains weight steadily. For this baby —and for “big eaters” in general—specific resources are available.
What are the possible causes?
The exact cause of colic remains poorly understood. Several hypotheses, often related, are currently being studied:
- Digestive immaturity: a digestive system still developing, irregular intestinal motility
- Imbalance in the developing gutmicrobiota
- Excess intestinalgas related to swallowing air during feedings or to digestive fermentation
- Associated physiologicalgastroesophageal reflux
- Sensory hypersensitivity at the end of the day: accumulated sensory overload
- Immaturity of the nervous system with difficulties in self-regulation
- Cow’s milk protein allergy (CMPA): a less common cause but one to consider in the presence of associated symptoms (eczema, mucoid diarrhea, weight stagnation)
- Environmental factors: parental smoking, parental anxiety, cumulative sleep deprivation
The absence of a single identifiedcause explains the lack of a universally effective treatment. Management remains primarily symptomatic and based on parental support. For regurgitation in general, specific resources are available.
What soothing measures can be taken?
Several approaches can provide relief for a baby during a colic episode:
- Close-contact carrying in a wrap or ergonomic baby carrier
- Gentle rocking, slow, rhythmic movements
- A stroll in a stroller or car ride (the soothing effect of movement)
- Placing the baby face-down on a parent’s forearm (“tiger position”)
- Gently massaging the tummy in clockwise circular motions
- Pedal-like legmovements to help release gas
- Gentle warmth on the tummy (a lukewarm hot water bottle secured safely, skin-to-skin contact)
- Soothinglukewarm bath
- White noise: vacuum cleaner, hair dryer at a distance, dedicated apps
- Reduce sensory stimulation: dim the lights, create a calm atmosphere, remove screens and loud noises
- Soothing feeding if the baby accepts it (non-nutritive sucking)
No single method works for every baby. Trying different approaches and identifying which ones soothe your own child the most is often the best strategy. For digestive issues in general, specific resources are available.
What role does diet play?
Several dietary adjustments can be discussed with your pediatrician:
- Proper latch or a slow-flownipple to limit air intake
- Pauses to burp the baby midway through a feeding and at the end of the meal
- More frequent but smaller feedings if the baby is a big eater
- A semi-upright position during and after feedings
- For the breastfeeding mother: moderate avoidance of potential trigger foods (excessive caffeine, alcohol); avoidance of cow’s milk only as directed by a pediatrician if CMPA is suspected in the infant
- Specialized infant formula as recommended by a pediatrician: “comfort” formulas based on partially hydrolyzed proteins, lactose-free, or extensively hydrolyzed formulas (eHF) in cases of confirmed CMPA
- Probiotics: Lactobacillus reuteri DSM 17938 has shown benefit in several studies involving breastfed infants (its effect is more controversial in bottle-fed infants); should be offered based on advice from a pharmacist or pediatrician
Systematic elimination of foods without a specific medical indication should be avoided in breastfeeding mothers (risk of nutritional deficiencies and compromised breastfeeding without proven benefit). Specific resources are available regarding infant formula,breastfeeding, andinfant feeding in general.
When should you see a doctor?
Several situations warrant a pediatric consultation:
- First episode, to reassure parents and confirm the diagnosis
- Very intense, prolonged, or unusual crying
- Weight plateau or a break in the growth curve
- Projectile vomiting, repeated refusal to eat
- Chronic diarrhea, blood in the stool, mucus in the stool
- Associated eczema, hives, signs of allergy
- Paleness, fever, unusual drowsiness
- Severe sleep disturbances outside of colic episodes
- Worsening or persistence beyond 4–5 months
- Parental exhaustion, signs of depression in parents
The pediatrician confirms the diagnosis, rules out other possible causes (pathological reflux, cow’s milk protein allergy, urinary tract infection, ear infection, inguinal hernia), and guides treatment. Medications (simethicone, antispasmodics) are rarely necessary and have not been shown to be more effective than non-pharmacological measures in simple colic.Nephrogenic colic is a separate condition affecting adults. Specific resources are available to improve digestion in general.
How can we support parents?
The colic period is trying for the family: prolonged crying, difficulty soothing the baby, accumulated fatigue, anxiety about the baby’s health, and sometimes feelings of failure or guilt. Several strategies can help protect parental well-being:
- Take turns between parents so neither one gets completely worn out
- Accept help from loved ones (family, friends) with daily tasks
- Resting at the same time as the baby whenever possible (short naps)
- Go outside for some fresh air regularly, even if only briefly
- Leaving the baby with a trusted person for a break when stress levels rise
- Never shake the baby: shaken baby syndrome is a major neurological emergency with extremely serious consequences
- Place your baby in a safe spot (crib, baby swing) and leave the room for a few minutes if exhaustion becomes overwhelming
- Consult a professional if you experience persistent exhaustion or signs of depression (primary care physician, midwife, perinatal psychologist)
- Join a support group (parent organizations, specialized helplines)
The key point to remember is that colic is temporary and resolves on its own around 3 to 4 months of age, with no lasting effects on the child’s future development. Your pharmacist remains a valuable resource for providing guidance on daily care, recommending appropriate probiotics, and listening to parental concerns, in addition to regular pediatric follow-up.