Colic: A Comprehensive Guide
Medically reviewed by Andre Stone | MD, University of Pittsburgh School of Medicine on August 24th, 2026.
Published on April 2nd, 2026. Updated on August 28th, 2026.
Key Takeaways
Colic affects up to 25% of newborns, causing intense crying for more than 3 hours per day
The condition typically begins around 2-3 weeks of age and resolves by 3-4 months
While the exact cause is unknown, factors like digestive immaturity and overstimulation may play a role
Colic is not dangerous but can be extremely stressful for parents and caregivers
Soothing techniques and patience are the main treatments, as most cases resolve on their own
Overview
Colic is a common condition in newborn babies that causes intense, frequent crying for no clear reason. The crying typically happens at the same time each day, often in the evening, and can last for hours. While colic can be frightening for new parents, it's important to know that it's not harmful to your baby.
The condition affects about 10-25% of all newborns. It usually starts when babies are 2-3 weeks old and peaks around 6 weeks of age. Most babies with colic get better by 3-4 months old, though some may continue crying until 6 months.
Colic is different from normal baby crying because it's more intense and lasts much longer. Unlike normal crying, babies with colic are very hard to comfort and may seem inconsolable. This can be very stressful for parents, but remember that colic doesn't mean you're doing anything wrong.
Many parents worry that their baby is suffering when colic happens. The good news is that babies with colic grow and gain weight normally. Colic itself is not known to harm a baby's body or brain development. However, crying that seems painful should still be discussed with a healthcare professional so other causes can be ruled out.
Symptoms & Signs
Colic symptoms are pretty specific and follow a pattern that most doctors call the "rule of threes." This means crying for more than 3 hours a day, more than 3 days a week, for more than 3 weeks in a row.
Primary Symptoms
Intense crying episodes that start suddenly and seem to have no cause
Crying at the same time each day usually in late afternoon or evening hours
Difficulty being soothed despite trying feeding, changing, or holding
Physical signs during crying like clenched fists, arched back, or pulled-up legs
When to Seek Care
Watch for signs that might mean something more serious is happening. These include fever, vomiting, changes in eating patterns, or unusual sleepiness. If your baby's crying pattern suddenly changes or they seem sick, contact your doctor right away.
Move the first two sentences to “Primary Symptoms” and the final sentence to “Daily Management Strategies.”
When to Seek Immediate Care
Seek urgent medical advice if your baby has a fever, especially if they are younger than 3 months. Get emergency help if your baby is difficult to wake, has trouble breathing, has a seizure, turns blue or very pale, vomits green fluid, has fewer wet diapers, or seems seriously ill. Contact a healthcare professional promptly if your baby is not feeding normally or if you feel overwhelmed and need support.
Causes & Risk Factors
The exact cause of colic is still not fully understood by doctors and researchers. Many experts believe it's likely caused by a combination of factors rather than just one thing. Some babies may be more sensitive to their environment or have immature digestive systems.
One theory is that some babies have trouble processing all the new sensations they experience after birth. Lights, sounds, and other stimuli might be overwhelming for their developing nervous systems. Another possibility is that their digestive systems are still learning how to work properly, which could cause discomfort.
Some doctors think that babies might swallow too much air while feeding, which creates gas bubbles in their stomach. This can make their belly feel uncomfortable and lead to crying spells. Other experts believe that certain babies' brains process pain signals differently, making them more sensitive to normal baby sensations.
Age
Most common between 2-6 weeks old, peaks around 6 weeks
Genetics
May run in families, though not always inherited
Lifestyle
Maternal smoking during pregnancy may increase risk
Other Conditions
Premature babies or those with feeding difficulties may be more likely to develop colic
Continue Learning
Related articles you might find helpful
Diagnosis
Doctors diagnose colic by looking at your baby's crying patterns and ruling out other possible causes. There's no specific test for colic, so your doctor will ask detailed questions about when and how long your baby cries.
Medical History & Physical Examination
Your doctor will ask about your baby's feeding schedule, sleep patterns, and when the crying episodes happen. They'll want to know how long the crying lasts and what seems to trigger it. The doctor will also do a complete physical exam to make sure there are no other health problems causing the crying. They'll check your baby's weight gain, look for signs of illness, and examine their abdomen for any problems.
Diagnostic Testing
Physical examination to check for underlying medical conditions or sources of pain
Feeding evaluation to rule out problems with breastfeeding or formula intolerance
Growth assessment to ensure your baby is gaining weight normally and developing properly
Get Digestive Health Relief Today
Learn More
Treatment Options
The main goal of treating colic is to help soothe your baby and support your family through this challenging time. Since colic usually goes away on its own, most treatments focus on comfort and coping strategies.
Conservative Treatments
Swaddling may help some babies calm down. Use a safe swaddling technique, always place the baby on their back to sleep, keep loose blankets out of the sleep area, and stop swaddling when the baby shows signs of trying to roll.
Soft white noise may soothe some babies. Keep sound sources at a safe distance and low volume, and do not use a running hair dryer near the baby because of heat, electrical, and noise risks.
Motion and movement such as gentle rocking, walking, or riding in the car
Feeding adjustments like smaller, more frequent meals or changes in formula if bottle-feeding
Advanced Treatments
Some clinicians may discuss a specific probiotic for certain breastfed babies, but evidence is mixed and benefits have not been established for all babies. Ask your baby's healthcare professional before using one.
Specialized formulas for babies who might have allergies or sensitivities to regular formula
Professional counseling for parents who are struggling with the stress of caring for a colicky baby
Some parents try using special colic drops or medicines that they can buy without a prescription. Talk to your doctor before using any medicine or supplement for your baby. Your doctor can help you decide what's safe and what might actually help your baby feel better.
Living with the Condition
Caring for a baby with colic can be exhausting and emotionally draining. It's important to take care of yourself too, so you can better care for your baby.
Daily Management Strategies
Try different soothing techniques to see what works best for your baby. Some babies prefer being held upright, while others may calm when held on their stomach across your forearm while awake and closely supervised. Always place your baby on their back on a firm, flat surface for sleep. Keep a diary of what seems to help and when the crying episodes happen. Don't be afraid to put your baby down in a safe place and take a short break if you feel overwhelmed. Ask family and friends for help with household tasks or watching the baby so you can rest.
Remember that you're not doing anything wrong if your baby has colic. Many experienced parents have gone through this same challenge and understand how hard it can be. Talking to other parents who have had colicky babies can help you feel less alone during this difficult time.
Exercise & Movement
Gentle movement often helps colicky babies feel better. Try walking around the house while holding your baby, or use a baby swing or vibrating chair according to its safety instructions while the baby is awake and supervised. If the baby falls asleep, move them to a firm, flat sleep surface on their back. Some parents find that going for walks outside with a stroller helps both baby and parent feel better. Avoid bouncing or shaking your baby, as this can be dangerous.
Prevention
While you can't completely prevent colic, there are some things that might help reduce the risk or severity of symptoms.
Create a calm environment with dim lights and quiet sounds during evening hours when colic often peaks
Avoid overstimulation by limiting visitors and activities when your baby seems fussy or tired
Follow consistent routines for feeding and sleeping to help your baby feel more secure
If breastfeeding, consider your diet as some foods might affect sensitive babies, though this isn't proven for most cases
Ensure proper feeding techniques to reduce air swallowing during bottle or breast feeding
Get regular check-ups to catch any underlying health issues that might contribute to excessive crying
Many hospitals and doctors offer classes that teach new parents how to calm fussy babies. These classes can give you helpful tips before your baby is born. Learning about different soothing methods ahead of time means you'll be ready if your baby develops colic.
Frequently Asked Questions
Colic doesn't usually mean your baby is sick or has a serious medical problem. Colic is diagnosed when no illness or other clear cause of excessive crying is found. Its cause is uncertain, although differences in development, feeding, digestion, and responses to stimulation have been studied.
Some mothers find that avoiding caffeine, dairy, or spicy foods helps reduce their baby's colic symptoms. However, there's limited scientific evidence that maternal diet changes help most babies with colic.
Most babies with colic start feeling better by 3-4 months of age. The crying episodes usually peak around 6 weeks old and then gradually get better. Some babies may continue having occasional fussy periods until 6 months old.
Colic doesn't cause any long-term health or developmental problems for babies. Children who had colic as infants grow up to be just as healthy and happy as other children. However, the stress of dealing with colic can affect parents and family relationships.
Contact your doctor if your baby's crying pattern suddenly changes, if they have a fever, aren't eating well, or seem sick in other ways. Also call if you're feeling overwhelmed and need support, as many healthcare providers can connect you with helpful resources and support groups.
Still have questions?
Consult with a healthcare professional for personalized advice.