Since inflammation of the sinuses rarely occurs without concurrent inflammation of the nasal mucosa, the term "rhinosinusitis" is preferred to<unk> " which is defined as inflammation of the nasal cavity and paranasal sinuses. Infections in the respiratory tract — most commonly colds — can inflame and thicken in sinus membranes and block mucus drainage. These infections can be viral, bacterial, or fungal. Acute rhinosinusitis (ARS) is defined as symptomatic inflammation of the nasal cavity and paranasal sinuses lasting less than four weeks. Acute viral rhinosinusitis (AVRS) focuses on symptomatic management as it typically resolves within 7 to 10 days. Acute bacterial<unk> s a complication of viral upper respiratory infection (URI) or allergic inflammation.  Acute<unk> as been observed that between 6% and 7% of children seeking care for respiratory symptoms have an illness. The sinuses in the forehead don't start developing until kids are 9 or 12 years old and aren't formed enough to get infected until the early teen years for that, cold-related headaches in young kids usually aren't sinus infections. The most common bacteria that cause acute<unk> nclude; Streptococcus pneumonia, Haemophilus influenza, Moraxella catarrhalis.
Sinusitis  
Rhinosinusitis
Laryngitis
Mastoiditis
Croup
Tonsillitis
Pharyngitis
Adenoiditis