Which Bacteria Causes Pharyngitis?

[1] However, when the cause is bacterial, pharyngitis is most often caused by group A beta-hemolytic Streptococcus (GABHS), commonly referred to as strep throat.

What bacteria is pharyngitis caused by?

It is usually caused by viral and/or bacterial infections, such as the common cold and flu (both viral infections) or by infection with the Streptococcus bacterium (strep throat). Pharyngitis can also occur with mononucleosis (aka “mono”), a viral infection.

What is the most common organism for pharyngitis?

The most common and important bacterial cause of pharyngitis is Streptococcus pyogenes (group A Streptococcus [GAS]). When suspected, bacterial pharyngitis should be confirmed with routine diagnostic tests and treated with various antibiotics.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.