1. Local Anesthetic drug: For local anesthesia, an anesthetic drug is given by subcutaneous injection into the skin to anesthetize a small area of skin and adjacent subcutaneous tissues. Local anesthesia is used during minor surgical procedures, such as skin biopsies, or during dental surgery. The risks associated with the local anesthesia may be as follows (Harlocker, 2019): • Complications and nerve block • Infection