What is hno doctor

Last updated: April 1, 2026

Quick Answer: An HNO doctor (Otolaryngologist) is a medical specialist who diagnoses and treats diseases and disorders of the ear, nose, throat, and related structures of the head and neck region.

Key Facts

What is an HNO Doctor?

An HNO doctor, or otolaryngologist, is a physician who specializes in the diagnosis, treatment, and management of diseases and disorders affecting the ear, nose, throat, sinuses, larynx, and related structures of the head and neck. The term HNO originates from the German abbreviation 'Hals-Nasen-Ohren-Arzt,' and while more common in European and German-speaking countries, it describes the same specialty as the English term 'ENT specialist' or 'otolaryngologist' used in North America and other English-speaking regions.

Education and Training

Becoming an HNO doctor requires extensive education and training. After completing medical school (typically 4-6 years depending on the country), physicians interested in this specialty must complete an otolaryngology residency program, which generally lasts 4-6 years. Many HNO doctors pursue additional fellowship training in subspecialties such as pediatric otolaryngology, rhinology, or head and neck surgery.

Conditions Treated by HNO Doctors

HNO doctors treat a wide range of conditions affecting their specialty areas:

Medical and Surgical Procedures

HNO doctors perform both medical management and surgical procedures. They may prescribe medications, recommend hearing aids, or order diagnostic imaging. Surgical procedures include tonsillectomy, adenoidectomy, sinus surgery, ear tube placement, and more complex head and neck surgeries. They may also perform endoscopic procedures to visualize and treat conditions of the throat and sinuses.

When to See an HNO Doctor

You should consider seeing an HNO doctor if you experience persistent symptoms such as chronic ear infections, significant hearing loss, chronic sinusitis, persistent sore throat, voice changes, or swallowing problems. Your primary care physician can provide a referral to an HNO specialist when appropriate.

Related Questions

What is the difference between an HNO doctor and an audiologist?

HNO doctors are medical doctors who can diagnose and surgically treat ear disorders, while audiologists are hearing specialists who test hearing and fit hearing aids but cannot prescribe surgery.

Do I need a referral to see an HNO doctor?

Requirements vary by country and insurance plan. In many cases, you can self-refer to an HNO specialist, though some insurance plans may require a referral from your primary care physician.

What procedures does an HNO doctor typically perform?

Common procedures include sinus surgery, tonsillectomy, ear tube insertion, thyroid surgery, and endoscopic procedures. The specific procedures depend on the patient's condition.

Sources

  1. Wikipedia - Otolaryngology CC-BY-SA-4.0
  2. American Academy of Otolaryngology Proprietary