Get best Sinusitis Treatment in Hyderabad, India at Micro care ENT as we are the best hospital for sinus treatment for children Visit our hospital today to know more. Sinusitis is a common inflammation of the paranasal sinuses, the cavities that create the mucus necessary for the nasal passages to work successfully. It tends to be intense or perpetual, and it can be caused by viruses, bacteria, fungi, or even an immune system response. Sinus infections may have the same indications as a cold and many cases go away on their own. Your doctor may suggest that you take a typical decongestant to facilitate your symptoms.