Sinus infections are typically caused by common colds that are left untreated, and are very common in Cleveland, TN this time of year. Once a sinus infection is developed, it typically takes between seven and 14 days for a person to recover after treatment. Diagnosing and treating a sinus infection quickly is key to making sure it does not develop into a more serious condition. What Are the Common Symptoms of a Sinus Infection? Read on →