We tell patients that itching is a good sign of healing and occurs with all liposuction surgery techniques, not just laser liposuction. What it is is really the body's reaction to the breakdown products of heme under the skin as it is trying to get rid of it. Also, the superficial nerves are slightly traumatized from the procedure and over the next 3 months they regenerate. As they regenerate, they can cause all sorts of weird feelings from pins and needles to itching to pain to numb tingling sensations. Unless you are having an allergic reaction to a medication which would also show up as red swollen hives in most cases with the itching, then you are probably just fine. Hope this helps.