What causes hiccups in infants?
They are caused by sudden contractions of the diaphragm triggered by irritation or stimulation of that muscle. Some leading pediatricians are of the opinion that infant hiccups are usually caused by feeding (formula or other foods) or by a drop in temperature that causes the baby to get cold. Hiccups are considered harmless unless they prove persistent enough to interfere with regular feeding and sleeping. Babies with gastroesophageal reflux disease (GERD) may tend to hiccup more frequently, accompanied by spitting up, coughing and irritability. Such behavior should be mentioned to your medical advisor as should very frequent bouts of uncontrollable hiccups, particularly after age 1. Although baby hiccups are seldom the sign of a more serious underlying medical condition, it never does any harm to be cautious.
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