What Foods to Avoid Breastfeeding Colic
Posted on January 26, 2026
Posted on January 26, 2026
The sound of a baby’s inconsolable crying can feel like a heavy weight on a parent’s heart. When that crying lasts for hours, especially in the evening, it often leads to a search for answers. Many parents find themselves wondering if something they ate is causing their little one’s distress. Colic is a common but stressful experience, and while the exact cause is often a mystery, looking at your diet can be a helpful starting point.
At Milky Mama, we know that you want to do everything possible to keep your baby comfortable. We understand the exhaustion and the "detective work" that comes with early parenthood. This post will explore the link between maternal diet and infant fussiness. We will cover which foods are most commonly linked to colic symptoms and how you can safely identify triggers while maintaining a healthy milk supply. Our goal is to empower you with the knowledge to support your baby’s digestive comfort.
Colic is often defined by the "rule of three." This means a baby cries for more than three hours a day, for more than three days a week, for at least three weeks. It typically starts when a baby is a few weeks old and often peaks around six weeks. For most families, the crying starts to taper off by the time the baby is three or four months old.
It is important to remember that colic happens in otherwise healthy babies. The crying is often high-pitched and may be accompanied by physical signs of discomfort. You might notice your baby clenching their fists, arching their back, or pulling their legs up toward their tummy. Their face might turn red, and they may seem impossible to soothe, even after they have been fed and changed.
While colic is frustrating, it is not your fault. It is a developmental phase that many infants go through as their nervous systems and digestive tracts mature. However, because some colicky episodes seem to end after the baby passes gas, many experts believe the digestive system plays a role. This is why looking at what you eat can sometimes offer a path to relief.
There is a direct connection between what you eat and the composition of your breast milk. While your body is excellent at filtering what reaches your baby, certain proteins and compounds do pass through. For a baby with a sensitive or immature digestive system, these substances can cause irritation or gas.
Research suggests that for some babies, removing common allergens from the mother's diet can reduce crying time. One study found that when breastfeeding parents removed dairy, soy, wheat, and nuts, many saw a significant improvement in colic symptoms within a week. However, it is not a one-size-fits-all solution. Every baby is unique, and what affects one may not affect another.
It is also worth noting that breastfeeding is one of the best things you can do for a colicky baby. Your milk contains probiotics and antibodies that help mature your baby’s gut. Breasts were literally created to feed human babies, and your milk is naturally designed to be the easiest food for them to digest. For additional guidance on nutrition during lactation, explore this breastfeeding nutrition guide.
If you suspect your diet is impacting your baby’s comfort, certain foods are more likely to be the culprits than others. Identifying these triggers requires patience and observation.
Cow’s milk protein is the most common dietary trigger for breastfed babies. This is not the same as lactose intolerance, which is quite rare in infants. Instead, it is a sensitivity to the proteins (whey and casein) found in cow's milk. When you consume milk, cheese, yogurt, or butter, these proteins can enter your milk supply.
A baby sensitive to dairy might experience gas, bloating, and intense fussiness. In some cases, they may also have skin rashes or changes in their bowel movements. If you decide to cut out dairy, remember that it can take up to two weeks for the proteins to fully leave your system and your milk.
We know that caffeine is often a survival tool for tired parents. However, some babies are very sensitive to the caffeine found in coffee, tea, soda, and chocolate. Newborns have a much harder time breaking down caffeine than adults do. It can stay in their system for a long time, leading to irritability, restlessness, and difficulty settling down.
If your baby seems "wired" or extra fussy after you have your morning cup, you might try reducing your intake. Most experts recommend staying under 300mg of caffeine per day, which is roughly two to three small cups of coffee.
Vegetables like broccoli, cabbage, cauliflower, and Brussels sprouts are known for being healthy, but they are also known for causing gas. These vegetables contain complex sugars and high amounts of fiber that can lead to wind. For some babies, the sulfur compounds in these vegetables may pass into the milk and cause digestive upset.
If you notice a pattern of fussiness after eating a large salad or a side of steamed broccoli, you may want to limit these for a short period to see if the baby’s comfort improves.
Garlic, onions, and hot spices like chili peppers can change the flavor of your milk. For some babies, this variety is exciting and helps them accept different flavors later in life. For others, particularly those with reflux or a sensitive stomach, spicy foods can cause irritation.
Onions and garlic are also significant gas-producers. If your baby seems to struggle with gas pains a few hours after you eat a meal heavy in these ingredients, they may be a trigger for colic-like symptoms.
After dairy, soy and wheat are the next most common triggers. Soy protein is structurally similar to milk protein, so babies who react to dairy often react to soy as well. Wheat contains gluten, which some babies find difficult to process in the early months.
Nuts, eggs, and shellfish are also on the list of potential allergens. While you shouldn't avoid these by default—as early exposure can actually help prevent allergies—they are worth considering if your baby is exceptionally colicky and other changes haven't helped.
Key Takeaway: Dairy is the most frequent dietary cause of colic symptoms, but caffeine, gas-producing vegetables, and wheat are also common culprits worth investigating.
While the focus is often on colic, there are some things you should limit or avoid for general safety while breastfeeding. These don't just affect fussiness; they affect your baby's overall development.
Since there is no universal list of "bad foods," you have to become a bit of a detective. The best tool for this is a food journal.
For about a week, write down everything you eat and drink. Next to your meals, keep a log of your baby’s behavior. Note when the crying starts, how long it lasts, and any physical signs like gas or bloating. Look for patterns. Did the five-hour crying spell happen every time you had a latte? Did the baby seem more comfortable on the days you skipped the spicy takeout?
Once you identify a potential trigger, try an elimination trial. Remove that specific food from your diet entirely for two to three weeks. This gives your body time to clear the proteins and gives your baby’s gut time to heal. If you see a major improvement, you have likely found the cause.
One of the biggest worries for breastfeeding parents is that a restricted diet will cause their milk supply to drop. It is vital to make sure you are still getting enough calories and hydration. This gentle guide to breastfeeding and pumping offers additional support for maintaining supply.
If you cut out dairy, make sure you are getting calcium and vitamin D from other sources like leafy greens, fortified orange juice, or almonds. If you cut out wheat, look for gluten-free grains like quinoa and oats.
Hydration is also a major factor in milk production. If you find yourself drinking less because you are avoiding soda or excess coffee, try replacing them with hydrating alternatives. Our Pumpin Punch™ drink mix or Milky Melon™ drinks are excellent choices for staying hydrated while supporting your lactation goals. They provide the fluids you need without the caffeine that might be bothering your baby.
If you are worried about your supply while navigating these changes, remember that "Every drop counts." You're doing an amazing job, and your body is incredibly resilient. Many moms find that a little extra support from lactation-friendly snacks, like our Emergency Lactation Brownies, helps them maintain their supply while they navigate an elimination diet.
Diet is only one piece of the puzzle. While you are working on the nutritional side, these lifestyle strategies can help manage the crying spells:
Colic is generally a temporary phase, but you should never feel like you have to struggle alone. If the crying is accompanied by any of the following, please reach out to your pediatrician or a certified lactation consultant:
A lactation consultant can help you look at your baby's latch and feeding position. Sometimes, a baby swallows too much air because of a poor latch or a fast let-down, which can mimic colic symptoms. Getting a professional evaluation can save you from unnecessary dietary restrictions. You can also schedule virtual lactation support for personalized guidance.
Navigating colic is one of the most challenging parts of early parenthood. While it is heartbreaking to see your baby in distress, remember that this phase is temporary. Most babies grow out of colic by four months as their systems mature. By paying attention to your diet—specifically looking at dairy, caffeine, and gas-producing foods—you may be able to find the key to your baby's comfort.
Keep a journal, be patient with the process, and make sure you are taking care of yourself too. Your well-being matters just as much as your baby’s. We are here to support you every step of the way with resources and products designed to make your breastfeeding journey a little easier.
"You are the world to your baby. Even on the hardest nights, your presence and your milk are exactly what they need to thrive."
To help support your supply during these dietary changes, explore our range of herbal supplements like Lady Leche™ or our dairy-free lactation treats. You can also browse the Milky Mama ingredient guide when reviewing the ingredients in lactation products. You've got this, and we've got you.
Most food proteins and compounds will peak in your milk about 2 to 6 hours after consumption. However, for some allergens like cow's milk protein, it can take up to 2 weeks for the protein to be completely cleared from your system and your milk supply.
Spicy food doesn't cause colic in all babies, but the capsaicin and strong aromatics can change the flavor of the milk or irritate a baby with acid reflux. If you notice your baby is extra fussy or gassy specifically after you eat spicy meals, it might be worth taking a break from them to see if it helps.
You can still have caffeine, but it is best to keep it in moderation. Because newborns process caffeine very slowly, high amounts can lead to irritability and sleep issues. Try limiting yourself to one or two cups a day and observe if your baby's fussiness improves.
Focus on "gentle" foods that are easy to digest, such as lean proteins (chicken, turkey), healthy fats (avocado, olive oil), and low-gas vegetables like carrots or zucchini. Staying well-hydrated with water and lactation-support drinks can also help maintain a steady milk supply while you are managing your baby's symptoms. For more structured breastfeeding education, explore Milky Mama's online breastfeeding courses.
This product is not intended to diagnose, treat, cure, or prevent any disease. Consult with your healthcare provider for medical advice. Every body is different, and results may vary.