The specific time for the disappearance of neonatal flatulence is closely related to the causes of neonatal flatulence, and most patients can disappear in about 1-2 weeks after taking active measures. There are many causes of neonatal flatulence, and the recovery time varies from one cause to another. For intestinal flatulence caused by over-sucking or baby crying and inhaling a lot of air, it may disappear in 2-3 days after improving breastfeeding practices. If intestinal flatulence is caused by disturbance of intestinal flora, it will improve in about 7 days after taking oral medication. If the flatulence is caused by lactose intolerance in newborns, it may take about 2 weeks to 2 months to recover. When a newborn has flatulence, parents can massage the child’s tummy clockwise every day to promote intestinal motility. If your newborn is lactose intolerant, you will need to choose a lactose-free formula for feeding.