The first time we brought our cat and dog home, their ears were clean and nicely colored, as months passed they began having discharge thats colored dark brown. The discharge smells just terrible and we noticed both of them having a scratch-a-thon. Searching the Internet for ear itchiness and aches (my dog whines when she scratches her ears) brought the dreaded ‘M’ word. Mange are mites that cause irritation, I have always thought that Mange was based on the skin and not the ear canal. This kind of Mange is called Otodectes cynotis, ear parasites that can be transferred from one pet to another- which explains why both our cat and dog had scratching choreography. Infestation from these mites range from mild to severe, at times depending on the pet’s resistance.
These are symptoms to watch for:
Scratching and shaking of the head and ears…
Discharge and bleeding of the ears.
Foul smelling ears
Irritability in pets demeanor

Remedies vary according to how your pet would react to it. There are several cures available, yet the most effective one best would be 2 parts apple cider vinegar, to 1 part hydrogen peroxide, and 1 part Borax; diluted in a gallon or so of water. Before putting a dropper full of this mixture, make sure to have cleaned your pet’s ears with dog soap and water- this is to get rid of some of the Mange before starting treatment. Treatment is three times a week for two weeks. Be patient and consistent, you’ll see results in time.