The laser light eradicates fungus without damage to the nail or surrounding skin. Can fungus toenail infections spread to other parts of my body?
If you have a fungus living in only one of your toenails, it is very likely that it is also living in a dormant form under other toenails and on your skin. As it breeds, it breaks down your healthy toenails and skin, and makes them more porous for other more dangerous germs to penetrate your body.