Strep throat is a type throat infection that causes sore throat. Although the term is commonly used, very few sore throats are strep throat.
Sore Throat Due to Inflammation
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Strep throat is caused by a specific bacteria. The bacteria enter through inhaled air droplets and grow in the throat causing the infection and symptoms.
The strep bacteria is spread by airborne droplets, most often from coughs or sneezes of infected people or touching a contaminated surface then touching your eyes, nose, or mouth.
Strep throat is more common in winter or early spring in temperate climates and in school-aged children. Other factors that increase the risk of stroke include:
Symptoms of strep throat may include:
Your doctor will ask about your symptoms and medical history. A physical exam will be done. Tests to confirm strep throat may be used and include:
Only a rapid DNA test or throat culture can confidently distinguish strep throat from throat infections caused by a virus. Doctors will often make a diagnosis and decide about treatment based on symptoms, physical findings, and test results.
Most sore throats, including strep throat, will get better on its own in 7-10 days. However, strep throat can improve faster with antibiotics than without.
Antibiotics are typically given to stop the spread of the infection and to prevent the complications such as rheumatic fever. Antibiotics may be given as a pill or a shot. Symptoms will often fade in the first few days of medication but it is important to take all of the antibiotics as prescribed.
Misuse of antibiotics has made strep throat resistant to bacteria in many communities.
Serious complications of untreated or undertreated strep throat include:
Acetaminophen or ibuprofen can help relieve sore throat and muscle aches and pains.
Note: Aspirin is not recommended for children or teens with a current or recent viral infection. This is because of the risk of Reye's syndrome . Ask your doctor which other medicines are safe for your child.
If your are diagnosed with strep throat, follow your doctor's instructions.
American Academy of Otolaryngology—Head and Neck Surgery
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Last reviewed September 2013 by David Horn, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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