Skip Website Tools

Website Tools

Skip Stay Connected

Stay Connected

Social media privacy policy and disclaimers.

Volunteer for NIAID-funded clinical studies related to strep throat on ClinicalTrials.gov.

Additional Information From NIAID

Group A Streptococcal Infections
Faringitis bacteriana (PDF, en español)

Javascript Error

Your browser JavaScript is turned off causing certain features of the NIAID Institute of Allergy and Infectious Diseases web site to work incorrectly. Please visit your browser settings and turn JavaScript on. Read more information on enabling JavaScript.

Strep Throat

Skip Content Marketing

Share this:

Cause

Strep throat is usually caused by group A streptococcus bacteria. Your healthcare provider may call the infection "acute streptococcal pharyngitis."

Last Updated August 24, 2012