Chronic sinusitis can be caused due to tumors, allergic reactions or deviated nasal septum. It can also be caused due to trauma to face fibrosis, respiratory infections. Sometimes allergies like hay fever also cause the same.
Chronic sinusitis can be caused due to tumors, allergic reactions or deviated nasal septum. It can also be caused due to trauma to face fibrosis, respiratory infections. Sometimes allergies like hay fever also cause the same.