Laser Nail Treatment is a new way to treat an old problem, and can be used to treat some cases of athlete’s foot or other fungal infections. It works by using laser light to prevent the fungus from growing and spreading, and stopping the nail from becoming thick and yellowed. After the fungus is killed, the nail will take some time to grow out, usually six to nine months, but will grow back clean and fungus free. Laser nail treatment takes the same amount of time as other antifungals, but provides a safer, more efficient treatment because no medication is required. There are no side effects with laser nail treatment that can be present with medication.