Medical Reason
Dogs in poor health may also howl. If your dog howls more than usual, you can assume that he’s sick or injured.
Before you do anything else, take him to the vet to confirm or eliminate your suspicions. You should take him to the vet if you suspect that he’s sick or injured.
What you can do about excessive howling
Here are some tips to help you:
Howling in response to Sounds
Your dog will stop howling if the sounds stop, such as police sirens or ambulances.
It can be deemed excessive howling if the triggers are heard frequently by your dog and he howls every time.
Desensitization (DSCC) is a technique that can be used to correct this. This will help your dog to learn how to be quiet.
