Baby Colic: Maternal Diet, L. Reuteri and Massage Methods

When a crying spell runs for hours, the whole house shrinks around it. In my online practice I work with mothers who have not slept properly for weeks and who have started to blame their own plate for every scream, and the first two questions are almost always the same: "is something I eat doing it?" and "when will it stop?" The hardest part of colic is that there is usually no illness to treat, only a maturation window to manage. Handled in the right order, the day gets noticeably easier for the baby and for the parents.

👩‍⚕️ DIETITIAN NOTE: In consultations I keep seeing mothers strip broccoli, cabbage and cauliflower off their plates out of fear of colic. Gas produced in the mother's own bowel never enters her bloodstream, so it never reaches the milk; what crosses over is protein, not fibre. The restriction lands in the wrong place and costs twice over: the baby stays unsettled, and the mother breastfeeds on a plate short of iron and folate.

What Is Baby Colic and Why Does It Happen?

Baby colic is a pattern of unexplained crying in a healthy, well-fed infant that runs at least 3 hours a day, at least 3 days a week, for more than 3 weeks. It ranks among the most common reasons babies cry in early infancy. Because the nervous system and the gut are still maturing, it appears in the first months and largely settles on its own after 4-6 months.

The 3-3-3 Rule and the Maturation Calendar

Medical literature frames the picture with the "3-3-3 rule": crying for at least 3 hours a day, at least 3 days a week, for longer than 3 weeks. Spells cluster in the evening; the baby pulls their legs up, the face reddens, and even being held brings little relief.

Colic is a diagnosis of exclusion. It gets made only after reflux, allergy, infection and growth problems have been ruled out. As gut maturation progresses, crying time shortens on its own in most babies around 4-6 months, so the calendar does the work that medication cannot.

When Should Cow's Milk Protein Allergy Be Suspected?

Cow's milk protein allergy (CMPA) sits underneath a share of stubborn colic cases. Cow's milk proteins that reach the baby through breast milk inflame the small intestinal mucosa and trigger spasm, so the crying comes from irritated tissue rather than from gas itself.

Suspicion grows when other findings join the crying:

• Mucus or fine streaks of blood in the stool
• Persistent eczema on the cheeks and skin folds
• Repeated vomiting after feeds and restless nursing
• A family history of asthma, allergic rhinitis or food allergy
• Slowing weight gain

Several findings together make an elimination trial worthwhile. Where crying stands alone, feeding routine and latch come under review first. To see how a mother's plate reaches the baby's digestive system, take a closer look at breastfeeding nutrition strategies.

The Elimination Approach in a Breastfeeding Mother's Diet

Elimination means removing allergen-carrying foods from the mother's plate for 2-4 weeks and watching what happens. The target list covers cow's milk and all dairy products, soy, egg and peanut. Once the window closes, foods return one at a time, because only reintroduction reveals which food was actually driving the reaction.

What Replaces the Food You Remove?

The half of elimination people skip is filling the gap. Once dairy leaves the plate, the mother's calcium and protein intake drops fast, and milk production takes its share of the hit; keeping a list of foods that help milk supply to hand pays off during the restricted weeks. The swaps below keep the allergen away without leaving the plate empty.

How an Elimination Trial Actually Runs

A trial is more than "I cut dairy, let's see what happens." With my clients I follow a set order:

1. Baseline record: Crying hours, duration and stool appearance get written down for a few days. Without a baseline to compare against, "has it improved?" has no answer.
2. Remove together: The allergens come out at the same time. Dropping them one by one stretches the process into months and exhausts the mother.
3. Wait: Clearing the protein from the baby's system and calming the mucosa takes 2-4 weeks.
4. Reintroduce: If symptoms ease, foods go back one at a time with a few days of observation each. A returning reaction names the culprit.

If nothing has changed after four weeks, extending the diet serves no purpose; the picture is probably not allergic, and the restriction now only wears the mother down. Review the decision with your doctor.

Diet Myths Worth Dropping

The belief that fibrous vegetables eaten by the mother give the baby gas is widespread, and physiologically it does not hold. Broccoli, cabbage, cauliflower and legumes do produce gas in the mother's colon; that gas never enters the bloodstream, so it never reaches the milk. What crosses over is protein. To sort out which foods genuinely cause trouble, see the list of foods that cause gas in babies.

The Mother's Caffeine and Fluid Balance

Once daily caffeine passes 300 mg (roughly 2-3 cups of coffee), it reaches breast milk and can leave the baby jittery, sleeping in short bursts and waking often. The picture is easily mistaken for colic. A breastfeeding mother's energy and fluid needs rise above pre-pregnancy levels; to see your own figure, use the breastfeeding calorie calculator. On days spent hungry and under-hydrated, supply falls and sleep deprivation hits harder.

You do not have to run an elimination trial alone. When the food to remove, the replacement for it and the reintroduction order get decided together, the process runs shorter and the mother's own nutrition stays intact.

Managing Colic in Formula-Fed Babies

With a formula-fed baby, the first move is not a new tin but a review of the current feed: dilution ratio, teat flow rate, air swallowed while sucking, and the gap between feeds. Where digestive trouble persists and allergy is suspected, extensively hydrolyzed formulas, in which protein is broken into small pieces, come onto the table by a doctor's decision.

Hydrolyzed Formulas and the Soy Trap

In extensively hydrolyzed formulas, cow's milk protein is broken into peptides too small for the immune system to recognise, so the allergic response is not triggered and digestion gets easier. The switch is a medical decision. Made without cause, it accustoms the baby to an expensive, unpleasant-tasting formula while the real problem stays put.

Soy-based formula is not a safe escape route in colic. A share of babies sensitive to cow's milk protein also cross-react to soy protein, and the picture stays exactly where it was. There is no shortcut. Which formula answers which problem, and how to read the label, is covered in detail in the baby formula selection guide. Factor in that digestion shifts again at the start of solids; a steady baby feeding routine softens that transition.

Gut Microbiota: L. Reuteri and Simethicone

In colicky babies, the gut flora tends to hold fewer beneficial bacteria and more gas-producing species. Once the balance tips, fermentation rises, the mucosa gets irritated and the pain threshold falls. The most studied microbiota-directed support is the Lactobacillus reuteri DSM 17938 strain; simethicone gas drops work through an entirely different mechanism.

What L. Reuteri DSM 17938 Does, and Who Sets the Dose

The 2018 meta-analysis by Sung and colleagues reported that babies given L. reuteri DSM 17938 were more likely than those on placebo to reach at least a 50% reduction in crying time, with the benefit largely confined to breastfed infants. For formula-fed babies the picture is not settled. Trials used 5 drops daily; the dose and duration for your baby are set by your paediatrician. Why the strain matters more than the brand is explained in the probiotic strain guide.

Do Simethicone Drops Really Work?

Simethicone is not absorbed; it stays in the gut and only lowers the surface tension of small gas bubbles so they merge. It targets the bubble, not the symptom. Because it leaves the allergen irritation, the flora imbalance and the immature gut motility underneath colic untouched, its evidence base is considered limited. Families reaching for the bottle mid-spell is understandable, though expectations should stop at short-term relief.

Physical Relief: Massage and a Calmer Environment

Physical methods do not end colic; they shorten the spell and take the edge off it. Abdominal massage stimulates bowel movement, bicycle legs help trapped gas find its way out, and skin-to-skin contact with rhythmic sound lowers the baby's arousal threshold. None of them costs anything and all can start today; timing is what makes the difference.

Abdominal Massage and Bicycle Legs

Massage is done with a natural oil that will not irritate the skin, in clockwise circles around the navel. Twice or three times a day is enough. Timing decides the outcome: while the baby is calm rather than mid-spell, and well after a feed rather than on a full stomach. For bicycle legs, lay the baby on their back and push each leg gently toward the abdomen in turn; gas pooled in the lower bowel then finds a way out.

Building a Soothing Environment

Colicky babies are unusually sensitive to stimulation, and the busier the house is in the evening, the longer the spell runs. A warm bath releases muscle tension, swaddling and skin-to-skin contact restore a sense of safe boundaries, and white noise resembling intrauterine sound slows the nervous system down. Quiet counts as an intervention. Dimming the lights and cutting sound down to a single source is often the fastest thing that works.

Telling the Causes of Crying Apart

Not every long crying spell is colic. Reflux, cow's milk allergy, lactose overload and infection can look alike while calling for completely different responses. The table below is a short version of the sorting questions I ask in a first consultation; diagnosis belongs to the doctor, yet asking the right question shortens the road considerably.

Reflux and colic are the pair most often confused; where vomiting and body position clearly track together, the methods in infant reflux and nutrition bring faster relief.

Common Mistakes in Colic Management

What goes wrong is rarely the information; it is the order. In consultations I meet the same mistakes again and again: narrowing the diet drop by drop, blaming fibrous vegetables, and treating a product swap as a solution. All three are done in good faith, all three stretch the process out, and all three wear the mother down.

1. Narrowing the diet one item at a time. Dairy first, egg a few days later, legumes after that, and no single trial ever gets enough time. The mother eats restricted for a long stretch and still has no clear answer.
2. Blaming fibrous vegetables. Once broccoli and legumes leave the plate, the mother's fibre, folate and iron intake falls while the baby's crying stays exactly where it was.
3. Treating a product swap as a solution. Trying different formulas or different probiotics at short intervals makes every effect unmeasurable, and the baby's digestion is disturbed again at each switch.

When It Is Not Colic: the Line to a Doctor

If crying comes with fever, projectile vomiting, blood in the stool, complete refusal to feed or a pause in weight gain, the picture has moved beyond colic. Intussusception, urinary tract infection, severe reflux and cow's milk allergy can all open with similar crying. Delay carries risk. Where a red flag is present, no time goes into dietary measures; the baby is seen by a paediatrician.

Let me draw the line clearly: dietary adjustment and supportive measures do not replace medical assessment. Every drop given to a baby, every formula change and every elimination decision belongs under a paediatrician's supervision. The content here is informational and does not substitute for diagnosis or treatment.

Getting Through the Colic Weeks in Order

Colic feels endless while it lasts, yet its calendar is predictable. The order runs like so: rule out the red flags first, then review the feeding routine and the latch, try elimination with medical approval if allergy is suspected, and settle massage and a calmer evening into the daily rhythm alongside it. Product trials come last, because no drop can be measured until the ground is level.

If you would like to build an elimination plan that fits your baby's digestive sensitivity and closes the mother's calcium and protein gap, you can book a session through online dietitian counselling. We shape the plan around your plate and your day; in the first session we read your crying record together and decide where to start.

Sources Used

• Lactobacillus reuteri to Treat Infant Colic: A Meta-analysis (Sung et al., 2018) - PubMed
• Infantile Colic: Recognition and Treatment - NIH
• Colic Relief Tips for Parents - American Academy of Pediatrics (AAP)
• Colic: Symptoms and Causes - Mayo Clinic
• Infant and Young Child Feeding - World Health Organization (WHO)

Source links were checked on 29.08.2026.