Influenza-induced rhinitis, or sinusitis, is one of the most common diseases of the nasal cavity, which affects its mucous membrane and can lead to serious complications. Treatment of influenza-induced rhinitis should only be carried out by a qualified doctor. In this article we will talk about the causes, symptoms, treatment and prevention of the disease. - Causes of rhinitis: The causative agent of the disease is infections of the mucous membranes of the nasal cavity, such as viruses, bacteria, fungi and other microorganisms. Rhinitis is usually caused by a viral infection of the upper respiratory tract, which is most common during the cold season and during epidemic outbreaks. However, even one