When a newborn spits up breast milk, it's usually normal and happens because their digestive system is still developing. Most infants spit up small amounts after feeding, often due to immature muscle control or swallowing air.
Spitting up is common in healthy babies. The lower esophageal sphincter, which keeps stomach contents down, doesn't fully mature until around 6 months. This allows milk to flow back up easily., babies who feed quickly or swallow air may spit up more frequently.
Most babies spit up less than 1 to 2 tablespoons per episode. It often happens shortly after feeding and may occur several times a day. However, if your baby spits up large amounts, seems uncomfortable, or isn't gaining weight, consult a pediatrician.
Contact a doctor if spitting up is:
These signs could indicate conditions like acid reflux, allergies, or an intestinal blockage.
Try these evidence-based strategies:
If spitting up persists, your doctor may recommend thickening feedings with rice cereal or checking for cow's milk protein allergy.
Some common myths about spitting up aren't supported by research. For example, there's no evidence that:
Instead, focus on proper feeding techniques and monitoring your baby's growth.