Chronic Rhinosinusitis (CRS)

Medical Specialty: Ear, Nose, and Throat
12/05/2026 Updated: 15/05/2026

Overview

Chronic rhinosinusitis is a prolonged inflammatory condition of the nasal cavity and paranasal sinuses, which significantly affects the quality of life. The condition manifests with difficulty in nasal breathing, nasal discharge, and reduced sense of smell, with symptoms lasting more than 12 weeks.

Symptoms

  • stuffy nose
  • discharge
  • facial pain
  • reduced sense of smell
  • headache
WHAT IT IS

Chronic rhinosinusitis is a chronic inflammation of the mucous membrane of the nasal cavity and sinuses. The condition can lead to constant discomfort, frequent infections, and disturbances in normal nasal breathing. In some cases, the formation of nasal polyps is observed.

TYPES
  • Chronic rhinosinusitis with nasal polyposis
  • Chronic rhinosinusitis without nasal polyposis
CAUSES
  • Chronic infections
  • Allergies
  • Anatomical peculiarities of the nose
  • Nasal polyps
  • Impaired sinus drainage
  • Smoking and polluted environment
SYMPTOMS
  • Nasal congestion
  • Nasal discharge
  • Facial pain or pressure
  • Reduced or lost sense of smell
  • Headache
  • Chronic fatigue
TREATMENT

The treatment is complex and depends on the severity of the condition. It may include:

  • Nasal irrigation with saline solutions
  • Topical corticosteroid sprays
  • Medication therapy
  • Endoscopic sinus surgery if necessary

Due to the chronic and often recurrent nature of the condition, regular follow-up with an ENT specialist is essential.

 SYNONYMS: Chronic sinusitis, chronic inflammation of the sinuses, CRS, rhinosinusitis, chronic sinus infection

Related Medical Services

Ears, Nose, and Throat

The ENT (Ear, Nose and Throat) office at Pentagram Medical Center offers modern diagnostics and treatment for ENT diseases in adults and children in Sofia. Book an appointment now.

Learn More

Related Articles