What causes obstructive sleep apnea in children who already have their adenoids & tonsils out?

Tongue postion: The position of the tongue against the back of the throat is the most likely culprit. A diagnostic scan may be needed in addition to a thorough exam by a sleep apnea specialist is in order before treatment however.

Sleep apnea: Is your child in the normal weight catagory- if they are heavier or their body anatomy like a narrow palate or thick neck could cause a smaller airway that may be a factor. They may need orthodontia to help open the air way.

Just to name a few: Obesity, muscle tone problems, children with genetic diseases (e.g. Down syndrome), abnormal face and underbite (retrognatia). See a pediatrician for evaluation and tests.

Other areas: Other areas of obstruction. There can be many. Seek evaluation by a pediatric sleep doctor for assessmnt.