Ester
Procaine (Novacain)
Amide
Lidocaine (Xylocaine)
Local anesthesia is used for
- Loss of sensation of small or limited area of the body
MOA for Local Anesthia
Sodium Channel Blocker
Spinal Anesthesia
Topical
Nursing Concerns:
Never apply epinephrine to Finger, Toe, Penis, Ear, and Nose sites to avoid possible necrosis