Mange on a miniature pinscher?

I picked up a stray little miniature pinscher, and she has mange, it isnt too bad, just little patches here and there. Honestly i cant afford to take her to the vet just yet, but I was told to give her a bath, put oxigenized water on her patches of mange, and then neosporin. I did all of that, and i was wondering,... show more I picked up a stray little miniature pinscher, and she has mange, it isnt too bad, just little patches here and there. Honestly i cant afford to take her to the vet just yet, but I was told to give her a bath, put oxigenized water on her patches of mange, and then neosporin. I did all of that, and i was wondering, does anyone know how long does it take for that to cure? Shes dying to come inside, Im going crazy cuz i feel so bad for her, please any suggestions would be great, and also, is mange really contagious? I dont want to get it, nor i want my other pets to get it :S
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