Infant Colic Symptoms & Causes | Complete Guide to Soothing Your Baby
Infant colic refers to episodes of crying for more than 3 hours a day, more than 3 days a week, for over 3 weeks in an otherwise healthy baby. About 20% of babies experience colic between 2 weeks and 4 months of age. This guide covers colic symptoms, causes, and effective soothing techniques.
What is Infant Colic?
Infant colic is excessive crying in a healthy baby without an apparent medical cause. It's diagnosed using the "Rule of Threes" defined by Dr. Morris Wessel in 1954.
| Criteria | Description |
|---|---|
| Crying Duration | More than 3 hours per day |
| Frequency | More than 3 days per week |
| Duration | Lasting more than 3 weeks |
Colic Symptoms
Recognize the typical signs of infant colic.
1. Crying Characteristics
- Sudden onset of intense crying
- High-pitched, inconsolable crying
- Often occurs in late afternoon or evening
- Face becomes flushed while crying
2. Physical Signs
- Tensed abdomen with legs pulled toward belly
- Clenched fists
- Arched back
- Bloated stomach
- Temporary relief after passing gas or burping
3. Timing
- Begins around 2-3 weeks of age
- Peaks at about 6 weeks
- Naturally resolves by 3-4 months
Causes of Infant Colic
The exact cause of colic remains unknown, but several factors may contribute.
1. Immature Digestive System
- Baby's gut is still developing
- Imbalanced gut microbiome
- Difficulty digesting lactose
2. Nervous System Development
- Oversensitivity to stimulation
- Underdeveloped self-soothing ability
- Irregular sleep-wake cycle
3. Feeding-Related Factors
- Swallowing air during feeding
- Overfeeding or underfeeding
- Mother's diet affecting breast milk (dairy, caffeine)
4. Environmental Factors
- Overstimulation (noise, bright lights)
- Irregular routines
- Parental stress
How to Soothe a Colicky Baby
Immediate Calming Techniques
1. The 5 S's (Dr. Harvey Karp)
- Swaddling: Wrap baby snugly in a blanket
- Side/Stomach: Hold baby on their side or stomach
- Shushing: Make gentle shushing sounds near baby's ear
- Swinging: Gently rock or swing baby
- Sucking: Offer a pacifier or let baby suck on a finger
2. Colic Massage
- Gentle clockwise belly massage
- I-L-U massage technique on baby's tummy
- Bicycle legs: Move baby's legs in a cycling motion
- Warm hands on belly
3. Environment Adjustments
- Create a quiet, dim environment
- Use white noise (vacuum cleaner, rain sounds)
- Warm bath
- Car ride or walk outside
Feeding Adjustments
For Breastfeeding
- Empty one breast completely before switching
- Eliminate dairy and caffeine from mom's diet for 2 weeks
- Ensure proper burping after feeding
For Formula Feeding
- Consider hypoallergenic formula
- Angle the bottle to minimize air intake
- Choose appropriate nipple size
- Burp frequently during feeding
When to See a Doctor
Consult your pediatrician if your baby has:
- Fever above 100.4°F (38°C)
- Significantly reduced feeding
- Vomiting or diarrhea
- Poor weight gain
- Blood in stool
- Symptoms persisting beyond 3-4 months
Tips for Parents
The colic period is challenging for parents too.
- It's okay to put your baby in a safe place and take a short break
- Share caregiving duties with your partner or family
- You don't need to be a perfect parent
- Seek professional support if needed
Manage Colic with BebeSnap
Track and understand your baby's colic patterns with the BebeSnap app.
- Feeding Log: Record feeding times, amounts, and methods to identify patterns
- Sleep Tracking: Find connections between crying and sleep patterns
- Health Notes: Document colic episodes and symptoms
- AI Chatbot: Get 24/7 answers to your colic questions
References

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