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.
Do you need a doctor's referral for an appointment? Some specialty areas at Mayo require a doctor's referral, and some do not. Most insurance plans require a referral from a plan doctor in order to get access to Mayo Clinic. You should check with your insurance company or your doctor prior to seeking care at Mayo.
Getting Started: The intake and referral process. To get started call the Psychology Clinic (415-338-2856) and either speak with the Clinic Coordinator, or leave a message with some times to reach you. Weâll talk with you briefly about the reasons you are seeking therapy at this time and will set up an intake appointment with you.