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.
You will still need a referral from your PCP to see a specialist. 1  Step 1 â Discuss your medical conditions or concerns with your PCP. 2  Step 2 â Your PCP will refer you to a specialist in your plan's network and send your information to the specialist. 3  Make sure that the specialist you are referred to is in your network.his may be your best option. You would simply pay the premium for the plan you want to keep and not pay the premium for the plan you want to cancel. Members can log in to their Blue Access for Members account from a desktop or mobile browser for more information about benefits, claim status and more.