How do i stop the constant itching and extreme swelling of lymph nodes?

Go to see MD: If you have extremelly swollen lymph nodes and itching- you should go to see your doctor and have yourself checked. While it may be caused by irritation, infection, inflammation etc- however - condition like hodgkin's lymphoma has to be ruled out for a c/o extremelly swollen glands and itchiness- especially at your age range. Go to see md for further eval. You may also need to have biopsy.