Jessica Orlando, Florida 11/16/2014 2:25:33 PM I need help I have a 4 year old Chihuahua she's constantly stratching her ears and skin she stratches and bites at her little arms where she used to have a little hair. I don't know if she has any food allgeries. Based on her symptoms she seems to have Follictious so my question is that contagious to people or harmful to her. What cures it this got more worse when I Brought her back to Florida. She wasn't like this in New York she was born in Florida though. She's Been back in Florida a whole month going on two so I been bathing her with oatmeal dog shampoo I don't know what else to do should the next step be the vet what medicine should I give her to treat This.