Hi...., Swelling of the lymph glands is typically a result of local or widespread inflammation,... if it is an allergy, usually it will fade away itself in couple of days,... The most common cause of swollen lymph nodes is an infection, particularly a viral infection, such as the common cold...Even bacterial and parasites infection also causes swollen lymph nodes....viral infection is usually self limiting and for bacterial you need to take antibiotics....Consult surgeon...