Infants always hiccups are considered to be caused by eating too fast, may also be caused by indigestion. 1. Eating too fast: Due to the young age of infants, the development of diaphragm is not yet perfect, if they eat too fast, or eat cold food, hiccups will occur. In addition, if the gas in the stomach is not discharged after feeding, hiccups will also occur. 2. Dyspepsia: dyspepsia is a clinical syndrome that manifests itself as epigastric discomfort. If you don’t pay attention to your diet and feed your baby too much milk, it can lead to dyspepsia, abdominal pain, bloating, and eructation (hiccups), which can cause hiccups in your child. If you notice hiccups, you should pat your baby’s back properly after feeding to expel the gas from the stomach. If your child has other symptoms, you should take him or her to the doctor for a clear diagnosis and appropriate treatment.