swollen neck lymph nodes may be the result of an infection inflammation cancer or viruses. in your case it is suspected that your recent cold is the cause of the enlarged neck lymph node. treatment is dependent on the cause with bacterial infections possibly needing antibiotics a virus needing to run its course and cancers being attacked with multiple individualized treatments. the link below will access a webmd article on the topic of lymph nodes. <link>
why is my lymph node swollen in my neck? . my lymph node is swollen on the right side of my neck right under my jaw. i had a cold a couple of weeks ago with a sore throat but the swelling in my lymph node hasn't subsided. you can visibly see the swelling; i would say it's over an inch in diameter and it is hard.