Adenoid Hypertrophy
Chronic Hyperplasia of the Nasopharyngeal Tonsils
Primary risk age: 2 to 6 Years (Peak size of lymphoid tissue; resolves as the airway grows)
- Urgency
- Moderate
- Typical age
- 2 to 6 Years (Peak size of lymphoid tissue; resolves as the airway grows)
- Body system
- Ear, Nose & Throat (ENT)
Typical course: Post-surgical recovery following adenoidectomy takes 3 to 7 days; pain is minimal compared to tonsillectomy.
Reviewed against AAP · CDC · WHO · NHS guidance Last reviewed 2026-06-13
1. Summary & Pathophysiology
Chronic Hyperplasia of the Nasopharyngeal Tonsils
Pathophysiology (Development Path)
Recurrent immune stimulation of the pharyngeal tonsil (adenoid tissue) located in the posterior nasopharynx leads to cellular hyperplasia. Persistent enlargement obstructs the posterior nares and the Eustachian tube orifices.
Primary Causes & Etiology
Chronic, recurrent upper respiratory tract infections, allergic rhinitis, or primary physiological hypertrophy.
2. Symptom Continuum
- Early Onset Signs
Persistent nasal congestion, mouth breathing (especially during sleep), and snoring.
- Progressive Phase
Chronic mouth breathing, hyponasal speech ("muffled" voice), nocturnal sleep disruption, restless sleep, and chronic clear rhinorrhea.
- Severe Indicators
Obstructive Sleep Apnea (OSA): marked by pauses in breathing during sleep followed by gasping, daytime somnolence, behavioral issues, and "adenoid facies" (elongated face, open mouth, high-arched palate).
3. Clinical Verification
Lateral neck X-ray showing narrowing of the nasopharyngeal airway. Direct visualization via flexible nasal endoscopy.
4. Care & Elements Plan
Primary Care Treatment Plan
Initial trial of nasal corticosteroids to reduce mucosal inflammation and tissue volume. If obstructive sleep apnea, recurrent otitis media, or chronic sinusitis persists, perform surgical adenoidectomy.
Home Support Elements
Use saline nasal sprays to help clear mucus. Elevate the head of the child's bed slightly during sleep. Monitor and track sleep patterns (snoring, gasping).
Generic Active Ingredients (No Brands)
- Fluticasone propionate or Mometasone furoate (generic nasal corticosteroid active ingredients used to reduce lymphoid swelling).
Lists active elements only. Never administer self-designed therapies.
5. Doctor Critical Lines
Critical Thresholds: When to See a Doctor
Consult a pediatrician if your child snores loudly, has pauses in breathing during sleep, struggles to breathe through their nose, or exhibits persistent mouth breathing.
6. Vaccine & Prevention
Routine Prophylaxis (Prevention)
Prompt management of allergies and recurrent upper respiratory infections to limit chronic inflammation.
Immunization Context
No specific immunizations are associated with this lymphatic tissue hypertrophy.
7. Timelines & Outlook
Active Timeline
Post-surgical recovery following adenoidectomy takes 3 to 7 days; pain is minimal compared to tonsillectomy.
Expected Prognosis
Excellent with surgical removal. Children show immediate improvement in nasal breathing, sleep quality, and reduction in ear infections.
Potential Untreated Complications
Obstructive sleep apnea, pulmonary hypertension (rare, severe), recurrent otitis media, facial skeletal changes, and chronic sinusitis.
More in Pharyngeal Lymphoid Hyperplasias & Sinus tracking
Acute Tonsillopharyngitis
Acute Inflammation of the Tonsils & Pharynx
3 to 15 Years (Viral causes are more common in younger children; bacterial in school-aged)
Acute Sinusitis (Pediatric)
Inflammation or infection of the paranasal sinuses, usually following a cold.
Children of all ages, more recognizable after about age 1 once sinuses develop.