The treatment for itchy and swollen pierced ears includes controlling infection and clearing and changing medication as follows: 1. Control the infection. If there is no obvious exudation at this time, you can locally apply iodophor or Bactrim and other medications to control the infection. Also need to pay attention to diet, such as not drinking drinks containing alcohol, do not eat too spicy food, etc., these may lead to increased itching, but also lead to increased swelling. You can consume fresh fruits and green vegetables, and low-fat high quality protein, such as fresh fish and chicken, and lean beef, to promote the healing of the local wound as soon as possible, and not to get water on the local area to prevent infection. 2. The doctor will usually give a regular change of medication, and sometimes it is also necessary to carry out debridement treatment.