Is Constipation in Babies After Starting Solids Normal?

Originally published March 2023. Updated and medically reviewed by Bahee Van de Bor, Registered Paediatric Dietitian and former specialist dietitian at Great Ormond Street Hospital, with over 20 years of experience in paediatric digestive health.

Is your baby constipated after starting solids?

As you introduce solid foods into your baby’s diet, you may start to worry about changes in their bowel movements, particularly if they begin to experience hard stools.

This is something I see frequently in my Happy Belly Clinic, particularly during the transition to solids.

If you’re a parent worried about infant constipation after starting solids, you’re not alone. This is a common issue that many parents face, and it can cause real confusion when it comes to choosing your baby’s first foods.

Some change in bowel habits is expected during this stage. But what I often see in my clinic is that constipation after starting solids isn’t always as straightforward as it first appears.

Many parents are already doing all the right things: offering water, including fruits and vegetables, and trying to support their baby’s digestion. And yet in some cases, symptoms persist. That’s usually because the issue isn’t just about what is being eaten, but how the gut is responding and adapting to the change.

In this article, we’ll explore the possible causes of constipation when starting solids, how to prevent it, and what to look out for if things don’t seem to be settling. By the end, you’ll have a clearer sense of what’s normal and when it may be worth looking more closely at your baby’s bowel pattern.

Understanding Constipation in Babies After Starting Solids

Understanding what’s driving changes in your baby’s bowel movements can help you feel more confident in how to respond.

At this stage, it’s common to focus on individual factors such as fibre or fluid intake.

But in practice, constipation is often influenced by a combination of factors, including how your baby’s gut is adapting to new textures, how regularly the bowel is emptying, and how patterns are developing over time.

This is why two babies eating very similar foods can present very differently.

Looking at the overall pattern, rather than single symptoms or foods, can make it easier to recognise when things are settling as expected, and when it may be helpful to look more closely or seek support.

It’s completely understandable to feel concerned about your baby’s bowel movements.

But having a clearer framework for what you’re seeing can make a significant difference in how you approach it.

How do baby’s stools change when first starting solids?

It’s common for babies to experience changes in their bowel movements when transitioning to solid foods.

Their digestive system is adapting to processing foods with more texture. Even smooth purees require a different type of digestion compared to breast milk or formula, which are broken down more easily.

During this time, you may notice changes in how often your baby opens their bowels, as well as differences in stool consistency. Some babies pass stools more frequently or have looser stools, while others go less often.

These changes are usually part of the normal adjustment to solids. What can be harder to judge is whether a change is simply part of that transition, or the early stages of a pattern that isn’t fully settling.

That’s where looking at the overall picture becomes important, rather than focusing on any single change in isolation. If something doesn’t feel quite right, it’s always reasonable to keep an eye on how things are evolving and seek advice.

Signs of constipation in babies after starting solids

Constipation doesn’t always present in the same way, particularly during the transition to solids.

Some signs to look out for include:

Less frequent bowel movements: If your baby has not had a bowel movement in three or more days, they may be constipated. It’s worth knowing that some babies can still pass stools regularly without fully emptying their bowels.

Hard, dry stools: If your baby’s stools are hard, lumpy and difficult to pass, this can be a sign of constipation.

Straining during bowel movements: If your baby is grunting, pushing, or crying when passing stools, this may indicate they are finding it difficult to open their bowels comfortably.

Blood in the stool: Less common, but blood in the stool can occur due to a small tear. Do speak to your doctor if you notice this.

Loss of appetite: Constipation can make your baby feel uncomfortable or full, which may lead to reduced feeding.

Symptoms don’t always appear in isolation. Some babies show a combination of these signs, while others present in less obvious ways, particularly in the early stages. If you recognise some of these patterns, understanding why they are occurring is the important next step.

Possible Causes of Constipation in Babies When Starting Solids

Several factors can cause constipation in babies after starting solids, including:

Constipation after starting solids is rarely due to a single factor. More often, it reflects how your baby’s gut is responding to this new stage, alongside what they are eating and drinking.

Some contributing factors can include:

Fluid intake: When your baby first starts eating solid foods, it’s important to make sure they are getting enough fluids. Breast milk, formula, and small amounts of cool boiled water alongside meals can all support hydration, particularly once your baby is over six months.

Fibre intake: Fibre plays a role in supporting bowel movements, but how and when it is introduced matters too. Gradually increasing a range of fruits and vegetables can help support your baby’s digestive system as it adapts. This includes all fruits and vegetables such as broccoli, green peas, green beans, cauliflower, apples and pears.

Underlying non-IgE mediated cow’s milk protein allergy (CMPA): In some babies with CMPA, changes in bowel pattern can occur when dairy is introduced through foods such as yoghurt or cheese. You might notice straining or discomfort even when stools appear soft. Constipation is not usually the main symptom of CMPA, so it’s worth looking at the wider picture, including reflux, vomiting, or loose stools, and seeking medical advice if you are concerned.

Prevention and Remedies for Baby Constipation After Starting Solids:

To prevent constipation in your baby, here are natural remedies and some tips you can follow:

Foods that help with constipation

There are a number of practical steps that can help support your baby’s bowel movements as they adjust to solids.

These approaches work best when they are aligned with what’s actually driving the pattern. If that isn’t clear, it’s not uncommon to see short-term improvement followed by symptoms returning.

With that in mind, here are some ways to support your baby:

1. Offer enough fluids: Make sure your baby is getting enough fluids, including breast milk, formula, or water. If your baby is over 6 months and has started solids, you can offer small amounts of water alongside or between meals to support hydration.
2. Introduce foods gradually: Start with small amounts of solid foods and gradually increase the quantity and variety over time. This allows your baby’s digestive system to adapt more comfortably to new textures.
3. Include fibre-containing foods: Fruits and vegetables such as prunes, pears, peaches, broccoli, and sweet potatoes can help support bowel movements. How fibre is introduced and increased can make a difference, so gradual changes tend to be better tolerated.
4. Encourage movement: Physical movement can help stimulate the digestive system. Tummy time, crawling, and general floor-based play can all support this.
5. Baby massage: Gentle tummy massage in circular movements, or bicycle leg movements, can sometimes help stimulate the bowels and ease discomfort.

Do bananas cause constipation in babies?

Bananas are often thought to cause constipation, but this isn’t usually the case.

They are a source of fibre and prebiotics, which support the gut by feeding beneficial bacteria.

If your baby is constipated after starting solids, it can be tempting to remove foods like bananas. However, focusing on a single food rarely explains the overall pattern.

In most cases, bananas can be included as part of a balanced diet. Offering smaller portions and gradually increasing the amount can help your baby’s digestive system adjust.

As with many foods, the impact will depend on the wider context of your baby’s diet and bowel pattern, rather than one food in isolation.

You might also like to read: Are Bananas Good for IBS?

Supporting your baby when stools feel hard or difficult to pass

Some foods can help support softer stools while your baby’s gut is still adjusting. These can be useful in the short term, though they don’t always address the underlying pattern if symptoms keep returning.

Remedies to solve constipation instantly

Try giving your baby any of the four ‘P fruits’!

Pear, peach, prune and plum contain fibre and sorbitol, a natural carbohydrate that helps draw fluid into the bowel. This can support softer, easier-to-pass stools in some babies.

Kiwifruit

Kiwifruit can also support bowel movements. It contains fibre with a higher water-holding capacity, which can help keep stools softer.

Read more: about kiwifruit in Gold Kiwi or Green Kiwi for Constipation in Children?

Should I use prune juice to treat constipation in babies?

Prune juice is sometimes used as a short-term option, but in most cases it’s preferable to offer whole fruit alongside fluids rather than relying on juice.

Fruit juice is a source of free sugars, and whole fruit provides additional fibre.

If symptoms persist after trying these approaches, it may be less about individual foods and more about how your baby’s bowel is functioning overall.

This is often the point where a more structured approach becomes helpful.

How often should baby poop after starting solids

How often a baby passes stools after starting solids can vary considerably.

Some babies continue with frequent bowel movements, while others become less regular.

Frequency can vary, but what matters more is how easily stools are passed and whether the bowel appears to be emptying fully.

It’s not unusual for a breastfed baby over six weeks to go several days without a bowel movement.

As solids are introduced, stools often become more formed and less frequent.

As long as your baby isn’t showing signs of discomfort, a few days between movements isn’t always a cause for concern.

What should baby poop look like after starting solids?

How often a baby passes stools after starting solids can vary considerably.

Some babies continue with frequent bowel movements, while others become less regular.

Frequency can vary, but what matters more is how easily stools are passed and whether the bowel appears to be emptying fully.

It’s not unusual for a breastfed baby over six weeks to go several days without a bowel movement.

As solids are introduced, stools often become more formed and less frequent. As long as your baby isn’t showing signs of discomfort, a few days between movements isn’t always a cause for concern.

Should I stop solids if baby is constipated?

If your baby is constipated after starting solids, it’s usually not necessary to stop solids altogether.

Adjusting how solids are introduced and supported is often more helpful than removing them entirely.

If you’ve recently introduced a new food and symptoms have changed, it’s worth noting the pattern and discussing it with your paediatrician or dietitian.

If you’ve started a new food like eggs, read this post: are eggs low FODMAP?

Why this stage matters more than you might think

In clinic, I rarely see constipation that has appeared suddenly in toddlerhood or later childhood.

More often, there has been a subtle shift much earlier, often around the time solids were introduced. It might have looked like occasional hard stools, slight discomfort, or needing to adjust foods more than expected. Things may have improved for a while, but never fully settled.

Over time, these patterns can develop into more persistent constipation, withholding, or discomfort around eating.

This doesn’t happen in every case. But when symptoms do persist, it’s often a sign that the bowel pattern needed a more structured approach earlier on.

Understanding what you’re seeing now can make a real difference to how things develop.

When to Seek Medical Attention

If your baby has not had a bowel movement for more than three to four days, is in significant discomfort, has blood in their stool, or is not gaining weight as expected, it’s important to seek medical advice promptly. These may be signs of something that needs further investigation.

If constipation persists despite the approaches outlined above, it’s worth contacting your paediatrician or paediatric dietitian for a more personalised assessment.

The bottom line for constipation

Constipation after starting solids is common, but it isn’t always as simple as adjusting foods or fluids.

If things are settling with small changes, that’s reassuring. But if you find yourself repeatedly trying different approaches and the pattern keeps returning, it may be a sign that your child’s gut needs more structured support.

If you’re unsure what you’re seeing, or you feel like you’ve tried the usual advice and things still aren’t quite right, you can book a discovery call to talk through your child’s specific pattern in more detail.

For families who want a structured starting point, the Happy Belly Blueprint provides a step-by-step framework for understanding and supporting your child’s gut health.

For ongoing, personalised support, the Happy Belly Club is where we work together to understand the full picture and move things forward with a clear plan.

Bahee Van de Bor is a registered paediatric dietitian, specialising in gut health, food intolerance and fussy eating.

“Bahee guided us in the right direction and helped us stay patient. Things finally started improving.”

— Parent Google review

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