Basically, the device does what it says: the puncture site is immediately treated, remain swelling and itching almost completely.
Many bites you noticed but too late, for example, if one was stabbed in his sleep. If treatment is delayed accordingly, the symptoms are at least somewhat reduced, but the itching returns after a while. In these cases I have dealt with the stitches several times; whether the heat still doing their actual effect, although I doubt, at least forms (even if it may sound at first glance now funny) scratching the pain of the application as an alternative to appeal through the usual. Therefore, I came this time without a single scraped and inflamed stitch homecoming again.
For small children, the device is less suitable, because to a certain age, the benefits for the price of some seconds pain simply is not enough to communicate. The treatment is tolerable for adults, although not really pleasant, but significantly better than when days to scrape the skin from the body.
Something negative on the unit I noticed that it sometimes does not respond to the buttons (I had to open the battery compartment and close it again) or does not reach the temperature and a low battery warning outputs, although the batteries are still OK. Otherwise, however, a strong buy recommendation!
