Illustration: Drawing with word(s)/letter(s)/number(s) in Block form Attorney: Roger H. Bora Thompson Hine LLP 10050 Innovation Drive Suite 400, Miamisburg, OH 45342 Employee: Timothy J Finnegan
Tonsillitis is most often caused by common viruses, but bacterial infections can also be the cause.The most common bacterium causing tonsillitis is Streptococcus pyogenes (group A streptococcus), the bacterium that causes strep throat. Other strains of strep and other bacteria also may cause tonsillitis.onsillitis is most often caused by common viruses, but bacterial infections can also be the cause.
1 When tonsillitis is caused by bacteria, it can be treated with antibiotics. 2  Viral invasion â When viruses lodge on the surface of your tonsils, they look for ways of digging in. 3  The soft tissues covering your tonsils become irritated and they swell. 4  Antibiotics are not helpful if tonsillitis is virally transmitted.