The lymph nodes closest to the throat are on either side of the neck. Sometimes only one ... and mouth. Sores can develop in the back of the mouth, near the sides of the throat, and one side ...

Causes of a sore throat on one side includes the flu ... can cause lymph nodes on one side of your neck to swell, triggering pain on that side of the throat, says Dr. Sabina Rebis, a primary ...