Rhinitis is a inflammation of the mucosa of the nose that can be caused by allergies, viruses, bacteria, medications, nose "sensitive" or pregnancy. Symptoms of rhinitis include nasal obstruction, sneezing, runny nose, nasal, ocular or palate itching, loss of smell and headaches.

The viral and bacterial rhinitis symptoms usually last 5 to 10 days and require only medical management and general care. Rhinitis medicamentosa is caused by prolonged use (more than 5 days) of intranasal decongestants, establishing a vicious circle in which more frequent doses of the drug is required, causing chronic nasal obstruction. Sometimes the symptoms may persist or recur, then may be an allergic, vasomotor rhinitis.

Allergic rhinitis occurs in periods of exposure to specific substances or allergens in the air or environment (pollen, grass, mold, animals, etc.) and is accompanied by the "allergic salute", which consists of rubbing the nose, to produce forming a groove in the top of the nose tip. Allergic rhinitis sample tests positive allergy and can be treated with vaccines; while no vasomotor rhinitis, since in this, the inflammation is caused by hyperresponsiveness to various stimuli such as temperature changes, hormones and chemicals. Treatment of rhinitis may be a doctor by intranasal antihistamines and drugs or in some cases require surgery for a simple reduction or turbinate cauterization.