Treat the underlying cause
Rest and get plenty of sleep
Drink enough fluids
Use warm compresses
Take over-the-counter pain relievers if safe for you
Avoid squeezing or massaging the swollen area
See a doctor if the swelling lasts more than 2 to 4 weeks
See a doctor if the lymph node is hard, fixed, rapidly growing, or very painful
Seek urgent care if you have trouble breathing, trouble swallowing, high fever, or unexplained weight loss