Nope there are not any home remedies. Either get the vaccine to help prevent it or go to the DR. Remember that Tetanus doesn't develop Immediately, you have a few days after a wound to get to a Dr for treatment.
My mom managed to save a horse from tetanus way back in the early 50's before vaccinations were widely available. And horses are more suceptible to tetanus then even humans.
seems to me that it gettting vaccinated for diseases that could kill you ( ie tetanus and rabies) is far better then waiting until something happens and then have to worry about getting treated for it.
I have routine vaccinations for Tetanus and Rabies. I'd rather prevent then risk dying.