For a 5-month-old with constipation, the safest first steps are small amounts of fruit juice (pear, apple, or prune), gentle leg exercises, and, if your baby has started solids, high-fiber baby foods like pureed prunes or peas. Most remedies can be tried at home, but it’s worth confirming your baby is actually constipated before jumping in, because what looks like straining is often completely normal at this age.
Check Whether It’s Actually Constipation
Babies grunt, turn red, and pull their legs up while pooping. It looks alarming, but it’s normal. Young infants are still learning to coordinate the muscles that release a stool, and doing it while lying flat without gravity’s help makes it harder. As long as the stool itself comes out soft and your baby isn’t in obvious pain, what you’re seeing is just the learning curve of pooping.
True constipation is defined by hard, dry, pellet-like stools that are difficult or painful to pass. Frequency alone isn’t a reliable sign. Breastfed babies older than one month can go anywhere from several times a day to once every seven days and still be perfectly healthy, as long as the stool is soft when it arrives. Formula-fed babies tend to go about twice a day, and their stools are naturally firmer (often compared to peanut butter consistency), which is also normal. The thing to watch is texture and your baby’s comfort level, not how many days it’s been.
Fruit Juice: The Go-To Home Remedy
Small amounts of 100% fruit juice are the most widely recommended first-line treatment for infant constipation. Pear juice and apple juice both contain sorbitol, a natural sugar alcohol that draws water into the intestines and softens stool. Prune juice works the same way and is safe for babies older than three months.
The American Academy of Pediatrics suggests a simple dosing guideline: give 1 ounce per month of age per day. So for a 5-month-old, that’s up to 5 ounces daily, but cap it at 4 ounces (about 120 milliliters) maximum. You don’t need to give it all at once. Splitting it into smaller amounts across the day works well. Start with just an ounce or two and see if that’s enough to get things moving before increasing.
Use plain, 100% juice with no added sugar. You can dilute it with a little water if your baby seems hesitant about the taste.
High-Fiber Foods (If Your Baby Has Started Solids)
If your 5-month-old is already eating some solid foods, adding high-fiber options twice a day can help. Pureed prunes are the classic choice for a reason: they’re high in fiber and contain sorbitol, giving you a double benefit. Pureed peas, beans, pears, peaches, and apricots are all good options too. Multigrain, barley, or oatmeal baby cereals have more fiber than rice cereal, which can sometimes make constipation worse.
If your baby hasn’t started solids yet, don’t introduce them just to treat constipation. Stick with the juice approach and physical techniques described below until your pediatrician gives the go-ahead for solids.
A Small Amount of Water Can Help
For babies over one month old, a small amount of plain water is worth trying before juice. Even an ounce or two between feedings can add enough extra fluid to soften stool. Water is especially useful for formula-fed babies, since formula produces firmer stools to begin with. Don’t overdo it, though. At five months, your baby’s primary nutrition still needs to come from breast milk or formula, so keep water to a few ounces a day at most.
Physical Techniques That Work
Sometimes the simplest approach is a little help with positioning. Hold your baby’s knees gently against their chest, mimicking a squatting position. This is the body’s natural posture for passing stool and is much more effective than lying flat. You can also try gently pumping or massaging the lower belly with your fingers, or focus on the left side of the abdomen, which is where the lower intestine sits. Bicycle legs (gently moving your baby’s legs in a pedaling motion) work on the same principle by putting gentle pressure on the abdomen. If nothing happens after a few minutes, stop and try again later.
A warm bath can also help relax the abdominal muscles enough to get things moving. Some parents find that a combination of a warm bath followed by the knee-to-chest position does the trick.
What Not to Give Your Baby
Honey is dangerous for any baby under 12 months because it can contain spores that cause infant botulism, a serious and potentially life-threatening illness. Corn syrup (sometimes called Karo syrup) is an old home remedy that is no longer recommended for the same reason: modern processing doesn’t reliably eliminate botulism spores.
Over-the-counter glycerin suppositories designed for children are labeled for ages 2 and up. For babies under 2, they require a doctor’s guidance. The same goes for any oral laxative or stool softener. Don’t give your baby any medication for constipation without talking to your pediatrician first.
Breastfed vs. Formula-Fed: Why It Matters
True constipation is uncommon in exclusively breastfed babies. Breast milk is very efficiently absorbed, which means there’s sometimes little waste left over. A breastfed baby going five or six days without a bowel movement isn’t necessarily constipated if the stool is soft when it finally comes. Formula-fed babies are more prone to constipation because formula produces bulkier, firmer stool. If your formula-fed baby is consistently straining and passing hard stools, it may be worth asking your pediatrician about switching to a different formula, as some are easier to digest than others.
Signs That Need a Doctor’s Attention
Most infant constipation resolves with the simple measures above, but a few signs warrant a call to your pediatrician. Blood in the stool or red streaks on the diaper can mean a small tear from passing hard stool, which isn’t usually dangerous but should be checked. A swollen, firm, or tender belly is worth attention. Vomiting alongside constipation is a more urgent concern. And if your baby seems to have new or worsening weakness, such as a noticeably weaker suck or decreased muscle tone, that combination with constipation should be evaluated promptly.
If home remedies haven’t produced a bowel movement after a couple of days, or if your baby seems to be in genuine pain, your pediatrician can assess whether something else is going on and recommend safe next steps specific to your baby’s age and weight.