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.
Preparing for your appointment. By Mayo Clinic Staff. You're likely to start by seeing your family doctor or a general practitioner. However, you'll probably be referred to a doctor who specializes in nervous system disorders (neurologist). Here's some information to help you get ready for the appointment.