This study will compare how long local anesthesia lasts when it is injected into different layers of the skin on the forearm. The investigators hypothesize that the numbing effect will last for different amounts of time depending on whether the medication is injected just under the skin or into the skin itself.
Inclusion Criteria:
Exclusion Criteria:
kim9036@med.cornell.edu6469627948
fez4003@med.cornell.edu6073797248
Split Face Study of the Duration of Local Anesthetics - Fourth Arm
Split Face Study of the Duration of Local Anesthetics
Anesthetic Effect Duration Assessment
Effectiveness Study of Different Local Anesthetic Mixtures
Comparison of the Total Dose and Efficacy of Two Lidocaine Concentrations Needed for Cutaneous Surgery Local Anesthesia
Evaluation of the Depth and Duration of Anesthesia From Heated Lidocaine/Tetracaine (Synera®) Patches Compared With 5% Lidocaine (Lidoderm®) Patches Applied to Healthy Adult Volunteers
Comparative Study of Two Topical Anesthetics Prior to Fractional Nonablative Laser Treatment of the Face
Comparison of Two Different Concentrations of Local Anesthetic in Patient Reported Pain in Oculoplastic Surgery