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.
Appointments & care. At Mayo Clinic, we take the time to listen, to find answers and to provide you the best care. To help diagnose OCD, your doctor or mental health provider may do exams and tests, including: 1  Physical exam.2  This may be done to help rule out other problems that could be causing your symptoms and to check for any related complications.ppointments & care. At Mayo Clinic, we take the time to listen, to find answers and to provide you the best care. To help diagnose OCD, your doctor or mental health provider may do exams and tests, including: 1  Physical exam.