Most sore throats are caused by colds, the flu, coxsackie virus or mono (mononucleosis). Bacteria that can cause pharyngitis in some cases: 1  Strep throat is caused by group A streptococcus.  Less commonly, bacterial diseases such as gonorrhea and chlamydia can cause sore throat.
1 Use our online referral service when it's convenient for you, or gain electronic access to patient appointment times and subsequent clinical notes and test results.  Expertise. Mayo Clinic has tertiary and quaternary expertise found in few other medical centers, including novel treatment options and clinical trials.
How To Go to a Walk-in Clinic. Standard Podcast [ 0.01 MB ] Play Now | Play in Popup | Download. If you have a medical emergency in an English-speaking country, call 112, 999 or 911 (or the emergency number of the country you are in), or go to a hospital emergency room (ER) . The ER may have a very long wait.