Constipation in an infant is generally defined by the passage of infrequent, hard, or pellet-like stools that cause discomfort or pain during a bowel movement. This is distinct from a baby simply straining or grunting, which is often a normal part of their digestive development. Prune juice is a common home remedy for infant constipation because it acts as a mild, natural laxative. The juice is derived from dried plums, which contain high amounts of sorbitol, a non-digestible sugar alcohol. Sorbitol works through an osmotic effect, drawing water into the large intestine, which helps to soften the stool and promotes a bowel movement.
When to Introduce Prune Juice
Introducing prune juice should only be done after consulting a pediatrician, especially for very young infants. The American Academy of Pediatrics generally recommends against giving fruit juice to infants younger than 12 months, as breast milk or formula should be their sole source of nutrition. If approved by a medical professional, prune juice is typically considered for infants who are four months old or older and have begun the transition to solid foods. Before using prune juice, it is important to rule out any underlying medical conditions that might be causing the constipation.
Determining the Correct Dosage
The specific amount of prune juice depends heavily on the baby’s age and the severity of the constipation. A general guideline is to start with the smallest possible dose to minimize the chance of causing gas, bloating, or diarrhea. For babies between four and twelve months old, a common recommendation is to start with one ounce of juice per month of life, but the total amount should be limited to no more than four ounces in a 24-hour period. Parents should start by offering a single dose of one or two ounces and wait to see the effect before offering a second dose later in the day. If the initial small dose does not produce a result, the next step is to consult the pediatrician before increasing the quantity beyond the recommended starting range.
Methods of Safe Administration
Prune juice should always be diluted before giving it to an infant. A standard dilution ratio is one part prune juice mixed with one part water, which helps to hydrate the baby and makes the juice less concentrated. For bottle-fed babies, the diluted juice can be mixed into a small amount of formula or breast milk to make it more palatable. The diluted juice should be offered no more than once or twice daily to avoid over-treatment. If the baby is not yet drinking from a cup, the diluted juice can be administered using a syringe or a small spoon. It is important to continue offering the baby their regular amount of breast milk or formula, as this remains their primary source of nutrition and hydration. After administering the juice, parents should closely monitor the baby’s response, looking for changes in stool consistency and frequency. If the baby develops loose stools or signs of abdominal distress, the prune juice should be immediately discontinued. The goal is a soft, pudding-like stool, not watery diarrhea.
Alternatives and When to Contact a Doctor
If prune juice is not appropriate or fails to provide relief, several non-pharmacological remedies can be tried at home.
Home Remedies
Gentle physical manipulation can help to stimulate intestinal movement.
- Moving the baby’s legs in a bicycling motion.
- Performing a gentle abdominal massage by rubbing the area just below the belly button in a clockwise circular motion.
For infants over six months who are already eating solids, increasing the intake of high-fiber pureed foods assists in softening stool. These foods include pureed prunes, apricots, pears, and peaches. For older infants, ensuring adequate fluid intake beyond just breast milk or formula is also important for preventing hard stools.
When to Contact a Doctor
A doctor should be contacted if the constipation persists for more than a few days despite home treatment efforts. Immediate medical consultation is necessary if the baby exhibits concerning signs:
- Blood in the stool.
- Severe vomiting.
- Persistent refusal to feed.
- A distended, hard abdomen.
These symptoms can indicate a more serious underlying issue that requires professional medical evaluation and treatment.

