What Foods to Avoid When Breastfeeding for Colic

Posted on January 26, 2026

Breastfeeding & Colic: What Foods to Avoid for a Happier Baby

Introduction
Understanding Colic: What Is It Really?
The Connection Between Diet and Colic
Common Foods to Avoid When Breastfeeding for Colic
Identifying Food Sensitivities vs. True Allergies
How to Use a Food Diary to Track Triggers
Beyond Diet: Other Causes of "Colic" Symptoms
Tips for Soothing a Colicky Baby
When to Talk to a Professional
Realistic Expectations for Your Diet
Conclusion
FAQ

Introduction

It is 6:00 PM and the crying has begun. Your baby is fussy, pulling their tiny legs up to their chest, and nothing you do—rocking, singing, or walking—seems to soothe them. If you are navigating these long, loud evenings, you are likely exhausted and searching for answers. Many parents find themselves wondering if their own diet is the culprit behind their baby's distress. At Milky Mama, we understand how overwhelming this stage can be. We want you to know that you are doing an amazing job through a very difficult transition.

This article explores the potential links between maternal diet and infant colic. We will dive into which foods are most commonly associated with gassiness and fussiness. We will also discuss how to identify sensitivities and practical ways to support your baby’s comfort while maintaining your own wellness. While every baby is unique, understanding how certain nutrients pass through your milk can help you make empowered choices. Our goal is to provide clarity so you can feel confident and supported in your breastfeeding journey. While many challenges are normal, we are here to help you navigate the ones that feel particularly tough.

Understanding Colic: What Is It Really?

Colic is often used as a catch-all term for excessive crying. However, it has a very specific clinical definition. Many pediatricians refer to the "Rule of Three" to determine if a baby has colic. This means an otherwise healthy, well-fed baby cries for more than three hours a day. This happens more than three days a week, for three weeks or more. These episodes usually peak around six weeks of age. They often resolve on their own by three or four months.

Symptoms of colic usually involve more than just crying. You might notice your baby clenching their fists or arching their back. They may have a red, flushed face. Their abdomen may feel hard or tense to the touch. They may pass gas frequently during these crying spells. Because these episodes often happen at the same time every day—usually in the late afternoon or evening—it is sometimes called "the witching hour."

It is important to remember that colic is not a disease. It is not a reflection of your parenting skills. It can happen to any baby, whether they are breastfed or formula-fed. While the exact cause is still debated, many experts believe it is related to an immature digestive system. It may also be a sensitivity to the environment or overstimulation.

The Connection Between Diet and Colic

A common question we hear is whether milk itself can cause colic. The short answer is no. Breast milk is the biological norm for human infants. It provides essential antibodies and perfect nutrition. However, small amounts of the proteins and compounds from the foods you eat do enter your milk supply. For most babies, this is actually a benefit. It exposes them to different flavors. This may help them accept a variety of foods later in life.

For a small percentage of babies, their digestive systems are particularly sensitive. They may struggle to process certain proteins. This can lead to gas, bloating, and general discomfort. This is often where the connection to the maternal diet begins. If a baby has a sensitivity or a true allergy, the presence of specific food proteins can trigger a reaction.

Key Takeaway: Colic is a temporary phase, not a permanent condition. While diet can play a role for some babies, it is often just one piece of a larger developmental puzzle.

Common Foods to Avoid When Breastfeeding for Colic

While there is no universal list of "bad" foods for breastfeeding, some items are more likely to cause issues. If you suspect your diet is affecting your little one, these are the categories usually investigated first. It is important to remember that most babies tolerate these foods just fine.

Dairy and Cow’s Milk Protein

Cow's milk protein is the most common dietary trigger for breastfed babies. It is important to distinguish between lactose intolerance and a cow's milk protein allergy (CMPA). True lactose intolerance is extremely rare in infants. Instead, what many babies experience is a sensitivity to the specific proteins found in dairy. This includes milk, cheese, yogurt, and butter.

When you consume dairy, these proteins can pass into your milk. If your baby is sensitive, this can lead to significant gas and extreme fussiness. You might also notice green stools or mucus in their diaper. If you suspect dairy is the issue, we often suggest a trial period without any dairy. It can take two to three weeks for these proteins to fully clear your system and the baby's system.

Caffeine and Stimulants

We know that as a new parent, coffee often feels like a necessity. However, caffeine is a stimulant that passes into breast milk. Most babies can handle a moderate amount—roughly 300mg or two to three cups of coffee. However, newborns process caffeine much more slowly than adults do.

If your baby seems "wired" or has trouble staying asleep, look at your caffeine intake. This includes coffee, tea, soda, and even chocolate. Some babies are much more sensitive to stimulants than others. If your baby is unusually irritable or jittery, try reducing your caffeine for a few days to see if their behavior changes.

Cruciferous Vegetables and Legumes

Vegetables like broccoli, cauliflower, cabbage, and Brussels sprouts are famous for causing gas in adults. This is due to a complex sugar called raffinose. The human body struggles to break this down. While the gas itself does not pass into your milk, some of the components can.

Similarly, beans and lentils are high in fiber and certain sugars. For many babies, this isn't an issue at all. But if you notice a direct link between a high-fiber meal and a long night of crying, you might consider smaller portions. Steaming these vegetables thoroughly can also help make them easier for your body to digest.

Spicy and Pungent Foods

Spicy foods containing chili or capsaicin can change the flavor of your milk. For some babies, this variety is exciting and helpful. For others, it can cause mild stomach irritation. You might even notice a slight diaper rash after a particularly spicy meal.

Pungent foods like garlic and onions also alter the scent and taste of milk. Interestingly, some studies show that babies may actually nurse longer when they smell garlic. However, onions and garlic are also high in fermentable carbohydrates. These can contribute to gas in sensitive infants.

Acidic Foods

Citrus fruits like lemons, limes, oranges, and grapefruits are highly acidic. Tomatoes fall into this category as well. In some cases, this acidity can irritate a baby’s immature digestive tract. This might lead to increased spit-up or "silent reflux" symptoms. If your baby seems to be in pain specifically after you eat a lot of citrus, it may be worth scaling back.

Identifying Food Sensitivities vs. True Allergies

It is helpful to know the difference between a baby who is "gassy" and a baby who has an allergy. Most colicky symptoms are related to a general sensitivity or an immature gut. These babies will eventually outgrow the issue as their digestive systems strengthen.

A true food allergy often presents with more severe symptoms. These are important to watch for as you navigate this phase. Red flags include:

Skin issues like eczema, hives, or a persistent "sandpaper" rash
Respiratory symptoms like wheezing or chronic congestion
Digestive red flags, specifically blood or excessive mucus in the stool
Poor weight gain or extreme reflux that causes the baby to refuse feeds

If you see blood in the stool, you should consult your pediatrician immediately. They can help determine if a strict elimination diet is necessary. They can also ensure your baby is gaining weight appropriately despite the digestive distress.

How to Use a Food Diary to Track Triggers

Before you stop eating your favorite foods, gather some data. Breastfeeding requires a lot of energy and calories. We want to make sure you are getting the nutrients you need. Our Emergency Brownies are designed to support your supply with oats and flax. We don't want you to feel restricted unless it is truly helping your baby.

A food diary doesn't have to be complicated. Simply jot down what you ate and the time. Then, note your baby's behavior over the next 24 hours. Look for patterns in their fussiness. Does the crying always peak a few hours after you eat a specific food? Does the gas seem worse on the days you have an extra espresso? Keeping a log for a week can provide much-needed clarity.

Key Takeaway: "Every drop counts—and your well-being matters too." Don't feel pressured to live on a diet of plain chicken and rice without professional guidance.

Beyond Diet: Other Causes of "Colic" Symptoms

Sometimes, what looks like a food reaction is actually a mechanical issue. Before assuming your diet is the problem, consider these common breastfeeding factors.

Improper Latch

If a baby does not have a deep, secure latch, they may swallow a lot of air while nursing. This is called aerophagia. The air gets trapped in their stomach and intestines. This causes painful gas that mimics the symptoms of colic. Working with an International Board Certified Lactation Consultant (IBCLC) can help ensure the latch is optimized. A better latch means less swallowed air and a more comfortable baby. Milky Mama’s breastfeeding help and lactation consultations can provide personalized support for latch concerns.

Fast Let-down and Oversupply

The let-down reflex is the process where your body releases milk into the ducts. If you have a very fast let-down, the baby may gulp quickly to keep up with the flow. This fast gulping often leads to swallowed air. It can also lead to a "foremilk/hindmilk" imbalance.

Foremilk is the thinner milk at the start of a feed. Hindmilk is the creamier, fat-rich milk at the end. If a baby gets too much foremilk, the high lactose content can ferment in their gut. This causes green, frothy stools and significant gassiness. Ensuring your baby fully drains one breast before moving to the next can help balance this out.

Immature Nervous System

Sometimes, babies cry simply because they are overstimulated. Their nervous systems are still learning how to process light, sound, and touch. By the end of the day, they may just be "done." They need to release that energy through crying. This has nothing to do with what you ate for lunch. In these cases, a dark, quiet room and gentle swaying are the best remedies.

Tips for Soothing a Colicky Baby

While you are investigating dietary triggers, you still need tools to get through the day. Here are several evidence-based ways to soothe a fussy, colicky infant:

The "Colic Carry": Lay your baby face-down along your forearm. Their head should be in your hand and their legs straddling your elbow. This gentle pressure on their tummy can help move gas along.
Bicycle Legs: Lay your baby on their back. Gently move their legs in a cycling motion toward their tummy. This is one of the most effective ways to help a baby pass trapped wind.
Skin-to-Skin Contact: Stripping the baby down to a diaper and placing them against your bare chest can regulate their heart rate. It also helps lower their stress hormones.
White Noise: The womb is a very loud place. A white noise machine or even a fan can be very comforting to an overwhelmed baby.
Warm Baths: A warm soak can help relax the abdominal muscles. It also provides a sensory distraction from the discomfort.

When to Talk to a Professional

Breastfeeding is natural, but it doesn't always come naturally. This is especially true when your baby is in distress. If you are feeling overwhelmed, please reach out for help. A virtual lactation consultation can provide personalized support. They can help you figure out if the issue is a latch problem or a dietary sensitivity.

You should also keep your pediatrician in the loop. They can rule out other medical conditions like ear infections that might be causing the crying. Remember, your mental health is just as important as your baby’s physical health. If the crying is making you feel hopeless, please reach out to a friend or partner for a break. You deserve support during this challenging season.

For additional guidance on latch, pumping, and common breastfeeding challenges, explore the Milky Mama Breastfeeding Resource Center.

Realistic Expectations for Your Diet

It is important to maintain a balanced perspective during this time. For the vast majority of breastfeeding parents, a "normal" diet is perfectly fine. You do not need to eat a perfect diet to produce perfect milk. Your body is incredibly efficient at prioritizing your baby's nutrition.

If you do choose to try an elimination diet, do it systematically. Only remove one food group at a time. This allows you to accurately identify the culprit. Many moms find that once their baby reaches four or five months of age, they can reintroduce those foods. As the digestive system matures, those earlier sensitivities often vanish.

What to do next:

Start a simple log of what you eat and your baby's fussy times.
Check your baby's latch to ensure they aren't swallowing excess air.
Stay hydrated with supportive options like our Lactation LeMOOnade™.
Focus on one dietary change at a time to avoid unnecessary stress.

Conclusion

Navigating colic is one of the most taxing parts of early parenthood. It is normal to feel tired and look for something to "fix" the situation. While certain foods like dairy or excessive caffeine may contribute to fussiness, remember that colic is often a developmental phase. Focus on gentle soothing techniques and maintaining your own nutrition. We offer herbal supplements like Pumping Queen™ to support your journey while you focus on your baby's comfort.

Colic is usually a temporary phase that resolves by 4 months.
Dairy is the most common dietary trigger, but not every baby is sensitive.
Mechanical issues like a poor latch can cause gas that looks like colic.
You are doing an incredible job caring for your baby.

At Milky Mama, we believe that every drop counts. We are here to support you with both nourishing products and clinical expertise. This season of crying is difficult, but it will pass. You and your baby will get through this together, one day at a time.

This product is not intended to diagnose, treat, cure, or prevent any disease. Consult with your healthcare provider for medical advice.

FAQ

Can spicy food in my diet cause my baby to have colic?

While spicy food can change the flavor of your breast milk, there is no strong clinical evidence that it causes colic in all babies. However, some sensitive infants may experience mild digestive upset or a diaper rash if the mother consumes very large amounts of chili. If you notice a consistent pattern of fussiness after spicy meals, you may want to reduce the heat for a few days to see if it helps.

How long does it take for food to leave my breast milk?

Most food proteins and compounds enter your milk within two to six hours after you eat them and are typically cleared within 24 hours. However, cow's milk protein is an exception and can sometimes take up to two weeks to fully clear from your system. If you are testing for a dairy sensitivity, experts usually recommend a full two-week elimination period to see the true results.

Is it common for broccoli and cabbage to make a breastfed baby gassy?

Cruciferous vegetables like broccoli and cabbage contain complex sugars that can cause gas in the parent, but the gas itself does not pass into the milk. That said, some of the proteins or fiber-related compounds can affect sensitive babies, leading to wind or bloating. Many babies tolerate these healthy vegetables just fine, so you should only avoid them if you notice a direct link to your baby's discomfort.

What should I do if I think my baby has a dairy allergy?

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What Foods to Avoid When Breastfeeding for Colic

Table of Contents

Introduction

Understanding Colic: What Is It Really?

The Connection Between Diet and Colic