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.
Mayo Clinic accepts appointments in Arizona, Florida and Minnesota and at Mayo Clinic Health System sites. Mayo Clinic specialists have a variety of treatment options, depending on the source of your GI bleeding: Endoscopic cryotherapy freezes abnormal blood vessels in the stomach. 2  Endoscopic intravariceal cyanoacrylate injection uses a special glue to treat difficult bleeding from varices in the stomach. 3  Angiographic embolization injects particles directly into a blood vessel to stop bleeding.