Sore throats caused by viral infections will improve on their own within three to seven days. However, some causes of pharyngitis, such as bacterial infections, require treatment.
If your sore throat symptoms don't improve within seven days, talk to your doctor about your treatment options. Your doctor may ask about your symptoms, perform a physical exam, or swab your throat to determine the cause of your sore throat. If your doctor determines that you have a bacterial infection, they'll prescribe antibiotics to fight the infection.
Seek immediate medical attention if you experience:
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Severe throat pain
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Trouble breathing or swallowing
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Difficulty opening your mouth
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Sore joints
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A fever higher than 101 °F
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Neck pain or stiffness
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Blood in your phlegm or saliva
Talk to your doctor if your symptoms get worse. In addition, be sure to tell your doctor if you or your child experience recurrent sore throats. If possible, stay home from school or work to avoid spreading any illnesses.