What is hno doctor
Last updated: April 1, 2026
Key Facts
- HNO stands for 'Hals-Nasen-Ohren-Arzt' (German term for ear, nose, throat doctor)
- Also known as an otolaryngologist or ENT (ear, nose, throat) specialist in English-speaking countries
- Treats both medical and surgical conditions affecting the ear, nose, throat, and neck
- Requires a medical degree followed by specialized residency training (typically 5+ years)
- One of the oldest recognized medical specialties, originating in the 19th century
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:
- Ear disorders - Hearing loss, ear infections, tinnitus, balance disorders, and cochlear implant management
- Nose and sinus conditions - Sinusitis, nasal polyps, deviated septum, and allergic rhinitis
- Throat disorders - Sore throat, laryngitis, voice problems, and swallowing difficulties
- Sleep disorders - Sleep apnea and snoring
- Head and neck cancers - Diagnosis and surgical treatment
- Thyroid and gland disorders - Affecting glands in the neck region
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.
More What Is in Daily Life
Also in Daily Life
More "What Is" Questions
Trending on WhatAnswers
Browse by Topic
Browse by Question Type
Sources
- Wikipedia - OtolaryngologyCC-BY-SA-4.0
- American Academy of OtolaryngologyProprietary