Local anesthesia

Local anesthesia is any technique to induce the absence of

• Local anesthesia, in a strict sense, is anesthesia of a small part of the body such as a tooth or an area of skin.
• Regional anesthesia is aimed at anesthetizing a larger part of the body such as a leg or arm.
• Conduction anesthesia encompasses a great variety of local and regional anesthetic techniques.

Medical

A local anesthetic is a

Local anesthetics vary in their pharmacological properties and they are used in various techniques of local anesthesia such as:

• Topical anesthesia (surface) - Similar to topical gel numbing before getting injected with Lidocaine.
• Infiltration
• Plexus block

Adverse effects depend on the local anesthetic method and site of administration discussed in depth in the local anesthetic sub-article, but overall, adverse effects can be:

1. localized prolonged anesthesia or paresthesia due to infection, hematoma, excessive fluid pressure in a confined cavity, and severing of nerves & support tissue during injection.^[3]
2. systemic reactions such as depressed
   local anesthetic toxicity
   .
3. lack of anesthetic effect due to infectious pus such as an abscess.

Non-medical local anesthetic techniques

Local pain management that uses other techniques than analgesic medication include:

• lower back pain^{[citation needed]}, however, it might help with diabetic neuropathy.^[4]
• nociceptors from the structures implicated as the source of chronic pain.^{[5][6][7][8][9]}

• Continuous wound infiltration

References