(1) However, the invasiveness of open incisional or excisional biopsy carries the risk of surgical and anesthetic complications.(2) For a nerve block, a doctor injects a local anesthetic - a medication that blocks nerve signals - around a nerve.(3) In group III, biopsies were taken one minute after the injection of the local anesthetic .(4) After relieving his pain with a quick nap induced by inhaled anesthetic gas, treatment with heat, fluids and antibiotics could be commenced.(5) Freezing of the needle in its sterile package reduces the pain of anesthetic injection.(6) Typically, there is no problem with the dentist, but do your best to avoid systemic anesthetic gas.(7) The anesthesiologist administered the epidural anesthetic , rotated off call, and left the hospital.(8) The risks associated with chronic exposure to volatile anesthetic gases have not been established.(9) If possible, regional anesthesia is preferred because anesthetic gases are drying and cause a decrease in tear production.(10) In a previous study we have shown that local anesthesia can be used as the standard anesthetic for outpatient knee arthroscopy.(11) One area of concern is the interaction of herbal products with anesthetic agents.(12) The anesthesia care provider induced Billy under general anesthesia via mask and appropriate anesthetic gases.(13) Topical anesthesia is administered by instilling anesthetic drops into the eye.(14) Doctors treated Jeanne with a combination of anesthetic and antiviral drugs to protect her brain and nervous system from the effects of the disease.(15) Appropriate position can be checked by aspirating through the needle used for instilling the local anesthetic .(16) The actual procedure causes little or no discomfort and can usually be done with only mild sedation and a local anesthetic .