How Long Does Strep Throat Last?

Reviewed on 5/5/2022
Man with strep throat touching his neck
Symptoms of strep throat usually go away within one to three days after starting antibiotic treatment. Strep throat also usually resolves on its own within a week with or without antibiotic treatment. Without antibiotics, people may still be contagious for two to three weeks. 

Strep throat is a bacterial infection that is a common cause of sore throat.

Symptoms of strep throat usually go away within one to three days after starting antibiotic treatment. 

Strep throat also usually resolves on its own within a week with or without antibiotic treatment, but without antibiotics, people may still be contagious for two to three weeks and are at a higher risk for complications. 

What Are Symptoms of Strep Throat?

Symptoms of strep throat often come on quickly and may include:

What Causes Strep Throat?

Strep throat is caused group A Streptococcus (group A strep) bacterium that live in the nose and throat. When an infected person coughs or sneezes, they release respiratory droplets with strep bacteria into the air. 

Strep may be transmitted when people:

  • Inhale the respiratory droplets
  • Touch something with droplets on it and then touch their mouth or nose
  • Share glasses, plates, or utensils with an infected person
  • Touch sores on the skin caused by group A strep (impetigo)
  • Eat improperly handled food (rare)

How Is Strep Throat Diagnosed?

When you suspect you are experiencing symptoms of strep throat, you will need to see a doctor for proper diagnosis and treatment. 

Strep throat is diagnosed with: 

  • A rapid strep test
  • Throat culture

What Is the Treatment for Strep Throat?

Because strep throat is a bacterial infection, antibiotics are often prescribed to treat the infection. 

  • Penicillin or amoxicillin are first-line choices 
  • Other antibiotics may be used for people allergic to penicillin
  • If antibiotics are prescribed, take the entire dose as prescribed even if you feel better before you have finished all the medication

If a person tests positive for strep throat but has no symptoms (is a “carrier”) treatment is typically not needed. 

Reviewed on 5/5/2022
References
Image Source: iStock Images

https://www.cdc.gov/groupastrep/diseases-public/strep-throat.html

https://www.gohealthuc.com/library/strep-throat-home-remedies