Oct 10, · What Causes Adult Tonsillitis? Tonsillitis is caused by either a viral or bacterial infection. The condition can be caught by breathing into infected viral or bacterial droplets, which can be expelled from an infected person via a sneeze or a caught. It is also possible for other methods of contact to spread the infection. Sep 25, · Causes of Tonsillitis in Adults The most common causes of tonsillitis are the viruses that also cause the common cold, such as influenza, coronavirus, rhinovirus, Epstein-Barr virus, or herpes simplex virus, etc. The other reason for tonsillitis may be bacterial.
Sep 27, · Tonsillitis is more common in children, but adults can also develop the condition. If you develop tonsillitis, a viral infection is the most likely culprit, but it could also be caused by a Author: Julie Marks.