- 1). Watch for excessive scratching. Dogs with sarcoptic mange often scratch themselves maniacally and obsessively. Typically the ears, elbows, face and legs will be affected, but other areas of your dog's body are also vulnerable to mange.
- 2). Watch for excessive biting and licking. Your dog will lick and bite the area he has mites for the same reason he scratches--it is irritated. Licking and biting at it repeatedly is soothing for your dog.
- 3). Check for hair loss. If your dog has mange, the constant scratching, biting and licking usually leads to bald patches, red patches, sores and scabbing. The areas your dog scratches can also become infected. The bald areas may look scaly or polka dot-like in appearance.
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