What is sinusitis?
Sinusitis is when the sinuses get inflamed and can cause pain and nasal discharge. What causes sinusitis?
Bacterial or viral infection, allergies, or even the immune system going haywire can be causes. Second hand smoke is also known cause sinusitis. Is it serious?
Most cases resolve themselves within a week and a half, especially the viral variety. Some types of bacterial infections can last for weeks, and the amount of time it takes for the illness to