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As the treatment is carried out you will experience brief, deep heating sensations every time the RF energy is delivered to your skin and underlying tissue. Devices may have an inbuilt cryogenic capability whereby the handpiece is either chilled or emits a cooling spray before, during and after the RF burst, to protect your skin from the heating, and make the treatment more comfortable.
As each person's pain tolerance and threshold varies, it is difficult to quantify how painful or uncomfortable the treatment is. It also depends on the device used and the power settings for the treatment. Your clinician may offer you anaesthetic options, such as a topical anaesthetic cream applied to your skin prior to treatment, or relaxants and pain management drugs, that can minimize your discomfort.
The most frequently reported side effects of treatment with RF energy are swelling, redness, bumps and blisters on or around the treated area, which typically disappear in a few days or weeks.
One of the most serious potential complications from RF energy treatment is a “depression”; this is attributed to the overheating of underlying tissue causing fat atrophy or excessive tightening, giving you a sunken appearance in the affected area. The occurrence of this also depends on the device used and appears to be only currently reported with the Thermacool™ system. Generally, although further studies and more available data is needed, it is considered that there is a correlation between the occurrence of these depressions and the treatment being given at frequency levels above the manufacturer’s guidelines. It is therefore imperative that you make sure that your practitioner is adequately trained and certified to perform the RF treatment.