Nonsmoker, nondrinker. sore throat for three months. swollen lymph nodes on left side. no fever. antibiotics did not help much. came right back?

Reflux?: You could be suffering from acid reflux, try an otc antacid and see if it makes a difference, if not see an ear nose throat doctor to look into it.

See your doctor: Despite being a non-smoker and non-drinker, these symptoms could possibly be related to a more serious medical condition and should be evaluated by a physician, either an internist or an ENT (ears, nose throat doctor.