What is a tonsillectomy?
A tonsillectomy is the surgical removal of the tonsils that are located at the back of the throat. It is most often done for repeated tonsil infections (tonsillitis), obstructed breathing or sleep apnea, or tonsillar cancer.
The tonsils are part of the body's immune tissue. While they help fight infection in early childhood, they can become a source of repeated infection or can enlarge enough to block breathing and swallowing. A tonsillectomy removes them completely.
Removing the tonsils does not weaken the immune system in any meaningful way, because the rest of the body's immune tissue takes over their role. Surgery is considered when the tonsils cause more harm than benefit.
Medically reviewed by Jennifer Almelor-Alzaga, MD, board-certified Otolaryngologist (PSO-HNS). Last reviewed: October 3, 2026.
Signs you may need a tonsillectomy
See an ENT-Head and Neck Specialist immediately if you or your child have:
- ✓Frequent throat infections / tonsillitis (often several episodes per year)
- ✓Enlarged tonsils causing snoring, choking in sleep, or obstructive sleep apnea
- ✓Difficulty swallowing or breathing because of tonsil size
- ✓A tonsil abscess (peritonsillar abscess)
- ✓A tonsil that looks abnormal or asymmetric and needs evaluation for possible tonsillar cancer
What to expect
At a Glance
- Anesthesia
- General
- Procedure time
- 3–4 hours
- Hospital stay
- 3–4 days
- Full recovery
- 2–3 weeks
- Where
- Philippine General HospitalManila Doctors HospitalMakati Medical Center
Risks & What to Discuss with Your Surgeon
Tonsillectomy is a common and generally safe procedure. The main risk is bleeding, which can happen in the first day or up to about two weeks later during healing; it is uncommon but is the reason to follow post-op instructions closely and seek care if bleeding occurs. Your surgeon will review your individual risks beforehand.
Why choose Dr. Alzaga
Dr. Jennifer Alzaga has a double fellowship training in two international institutions. Her training in head and neck oncologic surgery includes the surgical management of tonsils and other head & neck tumors. For tumors that require it, she is also trained in microvascular reconstructive surgery, a rare combination in the Philippines that allows complex cases to be managed by one surgeon.
Jennifer Almelor-Alzaga, MD, FPSOHNS
Board-certified Otolaryngologist–Head & Neck Surgeon. Fellowship-trained in Head & Neck Oncologic Surgery (Taiwan) and Microvascular Reconstruction (Thailand).
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Related procedures
This page is for general information only and does not constitute medical advice, diagnosis, or a treatment plan. Individual cases vary — always consult a qualified medical professional for advice specific to your situation. Dr. Jennifer Almelor-Alzaga, MD is available for consultations at Makati Medical Center and Olistico Health Manila.