How do you know if your child need’s their adenoid tissue removed? Adenoids sit in the back of the nose and when enlarged can block airflow leading to mouth breathing. Additional symptoms or effects include: 1. Chronic runny nose 2. Postnasal drip 3. Cough 4. Ear infections 5. Recurring sinus infections 6. Snoring/sleep apnea 7. Adenoid facies Oftentimes, I can look at a child and tell that their adenoid tissue is enlarged. They have an appearance called adenoid facies or long face syndrome. The