Actually it is possible to have numbness outside the treated area and this will usually occur with numbness in the front of the leg or in the groin when the side of the abdomen is treated. This occurs because the sensory nerves running to the front of the leg and the groin acutally run down from the side of the abdomen just under the fatty tissue. If the Coolsculpting procedure happens to cool down this nerve enough, it will disrupt the nerve transmissions and cause numbness. Fortunately, this will be temporary but it can take up to six months to completely resolve.
I Recently Got the Coolsculpt Done, is It Normal to Be Numb in Areas I Didnt Receive the Treatment In?
Doctor Answers 5
Coolsculpting and numbness
Coolsculpting Can Produce Temporary Numbness in the Treated Area
Numbness can occur with Coolsculpting as can the reverse, sensitive skin.
Depending on the location, it might be the case that the area treated causes numness of a nerve's dermatome (the area of the skin that is allowed to feel touch and pain) even though the area is in an adjacent area but not the area of treatment. This is similar in patients with back problems such as herniated discs and have nerve irritation in the spine which can cause leg pain, except in the case of CoolSculpting, numbness can be created temporarily.
The information provided in Dr. Shelton's answer is for educational purposes only and is not intended to constitute medical advice. The information provided should not be relied upon as a substitute for consultations with a qualified health professional who may be familiar with your individual medical needs.
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Numbness after coolsculpting
Numbness in areas not treated by Coolsculpting
This is not typical when treating abdomen or flanks but is theoretical possibility when treating off label areas such as thighs or arms that might have impact on a sensory nerve dermatome beyond the treatment area.