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.
To call for an appointment at Mayo Clinic in Rochester, Minnesota simply call 1-507-284-2111 and a friendly Mayo Clinic person will patiently answer all your questions, guide you through the process, and make your appointment.
1 If your referral has expired, call your primary care physician and explain your situation. 2  In most cases, your primary care provider will provide you with a new or extended referral. 3  Bring the referral with you to the appointment.