Nose examination: The mucosa is usually boggy and edematous with clear mucoid secretions. The turbinates are congested and hypertrophic. Pharynx examination: Mucosal injection and lymphoid hyperplasia involving tonsils, adenoids and base of tongue may be seen. Investigations Absolute eosinophil count, nasal smear, skin and in vitro allergy tests to rule out allergic rhinitis, acoustic rhinometry for measuring nasal patency, smell testing, CT scan in cases of sinus disease and MRI in case of mass lesions. Classification Type Classification Definition Specific presentation Drug Induced NSAIDS AND ASA, ACEI and Beta Blockers Intense eosinophilic inflammation with an overproduction of cysteinyl leukotrienes and other prostanoids profuse rhinorrhea, red eyes, periorbital edema, asthma attacks Hormonal Pregnancy Nasal congestion present during pregnancy without other cause, disappears after two weeks of delivery Rhinorrhea and nasal congestion Idiopathic Unknown cause Vasomotor rhinitis and<unk>  with eosinophilia Occupational Caused by work Inflammatory disease of the nose causing intermittent and persistent symptoms arising out of causes and conditions attributable to a particular work environment; can be elicited by single or multiple exposures. Corrosive rhinitis is the most severe form frequently associated with concurrent asthma,<unk>  form is without latency. Nasal challenge test confirms the diagnosis
Nonallergic rhinitis
Inclusion body rhinitis
Honeymoon rhinitis
Chronic atrophic rhinitis
Allergic rhinitis
Aerosinusitis
Burning mouth syndrome
Rhinosinusitis