A 18-year-old female asked:
hi, i have a tria system laser hair removal. is the use of over-the-counter numbing creams bad? what side effects is there? can u recommend any?
2 doctor answers
Dr. George Wooming answered
34 years experience Dermatology
2 much can b bad: A little topical anesthetic on the face or upper lip may be just fine. But to cover the arms & legs & back (large surface areas) in one treatment session may increase the risk of systemic absorption!, no matter what brand you use.
Answered on Apr 1, 2019
Dr. Joseph Mele answered
32 years experience Plastic Surgery
Yes, can be bad.: Topical numbing creams are prescription only. The reason for this is that the numbing agents can be absorbed into the blood stream and cause toxicity and even death. This is more likely to happen when larger areas are treated. It is best to use numbing creams with the guidance of a doctor.
Answered on Jul 18, 2013
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