Question: can omeprazole cause constipation in babies?
Answer: Other side-effects you need to know about Your child may have stomach pain, feel sick or be sick (vomit) or they may get diarrhoea, wind (flatulence) or constipation (difficulty doing a poo). It may help to give each dose with some food. Your child may get a headache. Your child may feel light-headed or dizzy.