What is Upper Respiratory Tract Infection?Upper Respiratory Tract Infection (URI) is a contagious infection of the nose, throat, and airways.URIs are caused by viruses the vast majority of the time; however, bacteria are also capable of becoming the offender in some situations.Types of Upper Respiratory Tract Infection:Sinusiti: sinusitis is a form of infection of the upper respiratory system that affects the sinuses.It is caused by bacteria, viruses, or fungi and can result in inflammation of the sinuses and nasal passages, leading to a stuffy nose, headaches, and facial pain.Rhinitis: an upper respiratory tract infection characterised by inflammation of the nasal passages. Symptoms include sneezing, nasal congestion, runny nose, itchy eyes, and sore throat.Pharyngitis: an upper respiratory tract infection that affects the pharynx (the part of the throat located behind the nose). Symptoms include sore throat, difficulty swallowing, fever, and swollen lymph nodes in the neck.Laryngitis...
