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.
However, if the tonsillitis is caused by a bacterial infection, antibiotics may be prescribed that needs to be completed. Stopping the antibiotics prematurely may lead to the bacteria developing a resistance to it. Self-care. Most cases of tonsillitis are caused by viral infection and antibiotics is not necessary.