This study will conduct a split-face and -body randomized control trial to compare lidocaine 2.5%/prilocaine 2.5% topical anesthetic (LPTA), lidocaine 7%/tetracaine 7% topical anesthetic (LTTA), and placebo vechicle (PV) on patients' pain perceptions with Q-switched 532nm laser for the treatment of lentigines and/or photorejuvenation.Subjects will fill out a pain score on a visual analog scale (VAS) with 0 being no pain and 10 being most pain after each treatment area is completed.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
48
Northwestern University Feinberg School of Medicine, Department of Dermatology
Chicago, Illinois, United States
visual analog score (VAS) pain rating
Subjects will fill out a visual analog score (VAS) pain rating after treatment with 0 being no pain and 10 being worst pain
Time frame: Day of treatment
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