What Is Strep Throat?
What Are Symptoms of Strep Throat?
- Swollen tonsils
- Swollen uvula
- Red throat
- White patches or streaks of pus on the tonsils, back of the throat, and tongue
- Tiny, red spots on the roof of the mouth
- Whitish, furry film on the tongue
Symptoms of strep throat include:
What Causes Strep Throat?
Group A strep live in the nose and throat and can be contagious. When a person who has strep coughs or sneezes, they release respiratory droplets with the bacteria into the air. It takes about two to five days after exposure to group A strep to develop symptoms.
Strep can 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 food not handled properly (rare)
How Is Strep Throat Diagnosed?
Strep throat is diagnosed with:
- A rapid strep test
- A swab is taken of the throat
- The swab is tested to see if strep bacteria are present in the patient’s throat
- Results are usually available in about 15 minutes
- Throat culture
- Sometimes a rapid strep test is negative but a doctor still suspects strep so further testing is done
- A throat culture swab can take 2-3 days to yield results but is more accurate than a rapid strep test
What Is the Treatment for Strep Throat?
Antibiotics are used to treat strep throat.
- Penicillin or amoxicillin are the first-line choices
- Other antibiotics may be used in people who are 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 often not needed.
What Are Complications of Strep Throat?
Complications of strep throat may occur if the bacteria spreads to other parts of the body and can include:
How Do You Prevent Strep Throat?
People can have recurrent infections with strep throat. The illness may be prevented in some cases by:
- Washing hands frequently with soap and warm water for at least 20 seconds
- Using an alcohol-based hand sanitizer if soap and water are not available
- Covering the mouth and nose when coughing or sneezing
- Coughing or sneezing into a tissue or upper arm or elbow, not the hands, if a tissue is not available (discard used tissues immediately)
- Washing glasses, utensils, and plates thoroughly after someone who is infected uses them
If you have strep throat:
- Stay home from work or school until you no longer have a fever and you have taken antibiotics for at least 24 hours
- Take the full course of antibiotics exactly as prescribed
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