The skin sores of cutaneous leishmaniasis will heal on their own, but this can take months or even years. The sores can leave ugly scars.

How do you get rid of sandfly scars?

A dermatologist or cosmetic surgeon might be able to perform a minor surgery to reduce the thickness of the scar, but there is a risk of it coming back again. If the area of skin is pockmarked, sometimes collagen or skin filling injections are possible, such as are used on the face when dealing with bad acne scarring.

How long do sandfly bites take to heal?

They should at least be changing towards healing up somewhat after 4 weeks, if they are just sand fleas or no-seeums. And be sure not to scratch the bites, or you can get a nasty infection.