Hi Welcome to the HCM It seems that your daughter is suffering from breath holding spells. These spells aren t intentional — they re an involuntary reflex, which means kids have no control over them. Although very disturbing to parents, but they pose no serious health risks. A spell typically lasts less than a minute before a child resumes breathing normally. Breath-holding spells can happen in healthy children. They can be more common in kids with a family history of them. In most cases, breath-holding spells can be predicted and even prevented once triggers are identified. Kids usually outgrow them by age 5 or 6. I would recommend you to take her to your pediatrician to rule out any arrhythmias, seizures or iron deficiency anemia. As they also present in a similar way. Once you rule them out, there is nothing to be worried about breath holding spells. Hopefully this will help you. I would be happy to help you out in any future health related questions. Take care