Pharyngitis, or sore throat, is discomfort, pain, or scratchiness in the throat. It often makes it painful to swallow.
Pharyngitis is caused by swelling in the back of the throat (pharynx) between the tonsils and the voice box (larynx).
Most sore throats are caused by colds, the flu, coxsackie virus or mono (mononucleosis).
Bacteria that can cause pharyngitis in some cases:
Most cases of pharyngitis occur during the colder months. The illness often spreads among family members and close contacts.
The main symptom is a sore throat.
Other symptoms may include:
Your health care provider will perform a physical exam and look at your throat.
A rapid test or throat culture to test for strep throat may be done. Other laboratory tests may be done, depending on the suspected cause.
Most sore throats are caused by viruses. Antibiotics do not help viral sore throats. Using these medicines when they are not needed leads to antibiotics not working as well when they are needed.
Sore throat is treated with antibiotics if:
Sore throat caused by the flu (influenza) may be helped by antiviral medicines.
The following tips may help your sore throat feel better:
Complications may include:
Call your provider if:
Seek medical care right away if you have a sore throat and trouble breathing.
Reviewed By: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.