Pharyngitis - bacterial; Sore throat
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.
Pharyngitis, or sore throat, is discomfort, pain, or scratchiness in the throat. It often makes it painful to swallow.
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.
Complications may include:
The main symptom is a sore throat.
Other symptoms may include:
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:
Call your provider if:
Seek medical care right away if you have a sore throat and trouble breathing.
Flores AR, Caserta MT. Pharyngitis. In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases, Updated Edition. 8th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 59.
Frye R, Bailey J, Blevins AE. Clinical inquiries. Which treatments provide the most relief for pharyngitis pain? J Fam Pract. 2011;60(5):293-294. PMID: 21544279
Harris AM, Hicks LA, Qaseem A; High Value Care Task Force of the American College of Physicians and for the Centers for Disease Control and Prevention. Appropriate antibiotic use for acute respiratory tract infection in adults: advice for high-value care from the American College of Physicians and the Centers for Disease Control and Prevention. Ann Intern Med. 2016;164(6):425-434. PMID: 26785402
Shulman ST, Bisno AL, Clegg HW, et al. Clinical practice guideline for the diagnosis and management of group A streptococcal pharyngitis: 2012 update by the Infectious Diseases Society of America. Clin Infect Dis. 2012;55(10):e86-e102. PMID: 22965026
Tanz RR. Acute pharyngitis. In: Kliegman RM, Stanton BF, St. Geme JW, Schor NF, eds. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, PA: Elsevier; 2016:chap 381.
van Driel ML, De Sutter AIM, Habraken H, Christiaens T. Different antibiotic treatments for group A streptococcal pharyngitis. Cochrane Database Syst Rev. 2016;9:CD004406. PMID: 27614728
Review Date: 9/24/2017
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.
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