Sinusitis is the infection or inflammation of the tissues surrounding the sinuses caused by an infection or an underlying condition. Dr. Nikhil Thada, Specialist otolaryngology at Universal hospital goes in-depth with this common ENT disease discussing the types, causes, symptoms and treatment. Acute sinusitis usually starts with the common cold while chronic sinusitis usually follows recurrent acute infections. Some of the symptoms may include headache, heaviness of the nose, nasal congestion and discharge, general malaise, etc. This can be diagnosed through a complete EENT test including a Diagnostic Nasal Endoscopy if deemed necessary. Watch the full video for complete, more in-depth details about sinusitis.