Many causes: Strep throat can certainly cause irritation of surrounding tissues. In addition, fever from strep can cause "cold sores" (=oral herpes, which 98% of us have) in your lips, gums, mouth, throat, or even esophagus. There are medications to help shorten the duration of the cold sores; see your doctor about this. Warm salt water gargles (1 tsp salt in 8 oz warm water; swish, gargle, spit) help.
Answered 7/23/2017
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A doctor has provided 1 answer
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