Strep throat

  • Definition

    Strep throat is caused by Group A Streptococcus bacteria. It is the most common bacterial infection of the throat.


    Alternative Names

    Pharyngitis - streptococcal; Streptococcal pharyngitis


    Causes, incidence, and risk factors

    Strep throat is most common in children between age 5 and 15, although anyone can get it.

    Strep throat is spread by person-to-person contact with nasal secretions or saliva. It commonly spreads among family or household members.