My sister developed nail fungus on the tiny toe?. Any at home remedy?. The insurance does not cover it.?

medical insurance call ther condition estethics. I disagree.My sister developed nail fungus on the tiny toe?. Any at home remedy?. The insurance does not cover it.?
I have heard about old people using vicks vapor rub on the nail. It takes a while but seems to work.My sister developed nail fungus on the tiny toe?. Any at home remedy?. The insurance does not cover it.?
T tree oil
give her tab fusy 300mg once a week for a month.then consult