Tunga penetrans

the mature female remains in the host for the rest of her life.

Nope

Well, my life would have been measurably better had I never opened that link.

“There are no drugs currently available with proven effectiveness. Surgical extraction still remains the treatment of choice in patients with a low parasite load, such as tourists returning from endemic areas.”

Nope.

Oh dear. I don't like that one bit. Unfortunately, it was exactly what I expected from the name.