Baby Constipation Foods: What Helps and What to Avoid

The most effective foods for relieving baby constipation are known as the "P foods" — prunes, pears, peaches, plums, and peas. These fiber-rich fruits and vegetables contain sorbitol and fructose that naturally draw water into the bowel, softening stools. On the flip side, foods like white rice cereal, bananas, and cooked carrots tend to firm up stools and can make constipation worse.

Is My Baby Actually Constipated?

Many parents worry about constipation when their baby's pooping frequency changes — especially when starting solid foods. Before reaching for remedies, it's important to understand what constipation actually looks like in babies.

Constipation is defined by stool consistency, not frequency alone. Some babies naturally go 3–5 days between bowel movements, especially breastfed babies. This is normal if the stool, when it comes, is soft.

Signs of True Constipation in Babies

• Hard, dry, pellet-like or pebble-like stools
• Visible straining, grunting, or crying when trying to poop
• Fewer than 3 bowel movements per week (for babies on solid foods)
• Hard or distended (swollen) belly
• Reduced appetite
• Blood on or in the stool (from straining causing small tears)

Why Does Constipation Happen When Starting Solids?

Constipation often starts or worsens when babies begin solid foods. This happens because:

• Breast milk and formula are almost fully absorbed; solid foods leave residue that forms stool
• The gut microbiome shifts significantly as new foods arrive
• Some first foods (particularly rice cereal and bananas) are low in fiber
• Babies are often not drinking enough fluids alongside their new solid foods

A temporary increase in constipation during the solid food transition is very common and usually resolves within a few weeks as the gut adjusts.

The "P Foods": Best Foods for Relieving Baby Constipation

Pediatric dietitians frequently recommend the "P foods" as the most effective dietary approach to baby constipation:

Prunes

Prunes (dried plums) are the gold standard for constipation relief. They are exceptionally high in fiber and contain sorbitol — a natural sugar alcohol that draws water into the colon, softening stools. Even small amounts of prune puree can produce results within 24 hours.

How to use: Offer 1–2 tablespoons of smooth prune puree once or twice a day. You can also stir prune puree into oatmeal or other fruit purees to mask the strong flavor. Look for commercial prune purees with no added sugar or salt.

Pears

Pears are among the most fiber-rich fruits for babies and contain both pectin (soluble fiber) and fructose that support bowel movements. Choose very ripe pears for maximum softness and natural sweetness.

How to use: Steam ripe pears and blend smooth, or offer as soft finger food strips for older babies.

Peaches

Peaches contain sorbitol and are excellent for constipation. Like pears, they work best when ripe. Remove the skin before pureeing for young babies.

Plums

Similar to prunes (which are dried plums), fresh plums contain sorbitol and fiber. Puree ripe plums after removing the skin and pit.

Peas

Green peas are high in insoluble fiber, which adds bulk to stool and moves things through the digestive system. They have a naturally sweet flavor most babies accept well.

Other Foods That Help with Constipation

• Broccoli — High in both soluble and insoluble fiber; steam until very soft
• Sweet potato — High in insoluble fiber; despite being commonly recommended for first foods, it can actually help with bowel movements
• Mango — Contains natural enzymes and fiber that support digestion
• Pureed beans and lentils — Excellent source of fiber; introduce gradually to avoid gas
• Pureed avocado — High in healthy fats and fiber; smooth texture that's easy to eat
• Oatmeal — Whole grain oats contain soluble beta-glucan fiber; a better choice than rice cereal for constipation-prone babies
• Pureed spinach — High in magnesium, which can help relax bowel muscles

Foods That Make Constipation Worse

Limit or temporarily reduce these foods if your baby is constipated:

• White rice cereal — Very low in fiber; a classic first food that can contribute to constipation. Switch to oatmeal or multi-grain cereals instead.
• Unripe banana — Unripe (green-tinged) bananas contain resistant starch that hardens stools. Very ripe, spotted bananas have less of this effect.
• Cooked carrots — When cooked and pureed, carrots lose much of their fiber content and can firm up stools.
• Applesauce (cooked) — Cooking apples converts soluble pectin to a stool-firming form. Applesauce is sometimes recommended for diarrhea precisely for this reason — avoid for constipation.
• Dairy in excess — Large amounts of dairy (especially cow's milk as a drink before 12 months, or excessive cheese) can contribute to constipation.
• White bread and refined grains — Low fiber; choose whole grain options.

Non-Food Tips to Help Baby Constipation

• Hydration: If your baby is 6+ months and on solids, offering small amounts of water (2–4 oz per day) alongside meals can help. Before 6 months, extra water is not recommended.
• Tummy massage: Gently massage the belly in a clockwise direction; this follows the path of the large intestine and can stimulate bowel movement.
• Bicycle legs: Lay baby on their back and gently move their legs in a cycling motion; helps stimulate the digestive system.
• Warm bath: A warm bath can relax abdominal muscles and help the bowel relax.
• Continue breastfeeding: Breast milk has a natural laxative effect. Don't reduce feedings to "make room" for solids — this can worsen constipation.

When to See the Pediatrician

Contact your pediatrician if:

• No bowel movement for more than 5 days despite dietary changes
• Blood in the stool
• Baby is in significant pain or crying inconsolably
• Belly appears severely distended and hard
• Baby refuses to eat or seems unwell
• Constipation started at birth or very early infancy (may indicate a structural issue)

Your pediatrician may recommend an appropriate infant-safe stool softener or laxative in severe cases. Never give adult laxatives, suppositories, or enemas to infants without direct medical guidance.

Frequently Asked Questions

What are the signs of constipation in babies?

Hard, pellet-like stools; straining or crying; infrequent stools (fewer than 3 per week); a hard belly; and reduced appetite. Stool consistency matters more than frequency.

What foods help relieve baby constipation?

The P foods: prunes, pears, peaches, plums, and peas. Pureed prunes are especially effective. Broccoli, beans, and oatmeal also help.

What foods make baby constipation worse?

White rice cereal, unripe bananas, cooked carrots, applesauce, and large amounts of dairy tend to firm up stools and can worsen constipation.

Can I give my baby prune juice for constipation?

The AAP does not recommend juice for babies under 12 months. Instead, offer pureed prunes — more effective and without added sugar. After 12 months, small amounts of 100% prune juice can help.

When should I take my constipated baby to the doctor?

See your pediatrician if there's no bowel movement for more than 5 days, if there's blood in the stool, if your baby is in significant pain, or if they refuse to eat.

Also see our guide on foods that cause gas in babies and best first foods for baby.

This article is for informational purposes only and does not constitute medical advice. Always consult your pediatrician about your baby's digestive health before making dietary changes. Sources: AAP HealthyChildren.org, CDC Infant and Toddler Nutrition.