* It is most commonly seen in females. * It is reported among patients from lower socioeconomic groups. * The nasal cavities become roomy and are filled with foul smelling crusts which are black or dark green and dry, making expiration painful and difficult. * Microorganisms are known to multiply and produce a foul smell from the nose, though the patients may not be aware of this, because the nerve endings (responsible for the perception of smell) have become<unk> d. This is called merciful anosmia. * Patients usually complain of nasal obstruction despite the roomy nasal cavity, which can be caused either by the obstruction produced by the discharge in the nose, or as a result of sensory loss due to atrophy of nerves in the nose, so the patient is unaware of the air flow. In the case of the second cause, the sensation of obstruction is subjective. * Bleeding from the nose, also called epistaxis, may occur when the dried discharge (crusts) are removed. * Septal perforation and dermatitis of nasal vestibule can occur. The nose may show a saddle-nose deformity. *<unk>  rhinitis is also associated with similar<unk>  changes in the pharynx or larynx, producing symptoms pertaining to these structures. Hearing impairment can occur due to Eustachian tube blockage causing middle ear effusion.
Chronic atrophic rhinitis
Nonallergic rhinitis
Inclusion body rhinitis
Honeymoon rhinitis
Aerosinusitis
Allergic rhinitis
Nasal polyp
Fungal sinusitis