Enlarged Lymph Nodes
This is one of the most common reason for the formation of lumps in the neck. The reasons can be common cold, viral infection, bacterial infection, sore throat, strep throat, tuberculosis, epiglottitis, syphilis, toxoplasmosis, peritonsillar abscess, cancer, etc. To treat a swollen lymph node, you need cure the underlying problem after which the swelling will subside.