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Dogs often display several kinds of behaviours that are not desirable for owners, especially when they are sick, frightened or sense that something is not right. For example, they may whine, bark excessively, shake or run away. However, there are some behaviours which could be considered extreme, more so when these behaviours are displayed under fairly normal circumstances. Let us take a look at such behaviours.Hiding, avoiding and shying away
It is important to note that mild hesitation to new people, places and things is normal. But if your dog is visibly uncomfortable in certain situations and repeatedly attempts to avoid or escape the situation entirely, it can indicate a serious fear of something he sees as a threat. You may often find him in his crate or in a corner in an attempt to hide. If not dealt with early, it could result in a much bigger problem like extreme aggression. Keep in mind to be gentle with your dog, and do not try to make him get out of hiding while what he perceives as a threat is still around. This may cause him to act aggressively even with you.Unnecessarily aggressive
If your dog is showing signs of excessive aggressiveness like gnarling, loud barking, lunging and attacking people to the point where you have to chain him up for everyone’s safety, it is crucial that you get help as soon as possible. It may be a sign that your dog is extremely stressed or it may be out of fear. Especially, if your dog is usually calm and friendly, being suddenly violent and hostile could indicate more serious underlying problems.Decreasing energy levels
You know your own dog better than anyone else. So if you see that their energy level is decreasing and they have become slow paced and lethargic, it is a sure sign that there is definitely something not right with them. For example, if they show no sign of interest or excitement when you give them their favourite treat, you need to attend to them immediately.Negative reaction to touch
If you notice that your dog is unusually reacting negatively when you touch him, it may be because of some bigger problem. You have to get them checked immediately. For example, if he displays excessive mouthing, often accompanied by gnarling and physical attacks while you are grooming or playing with him, it is recommend you get help. Your dog may even freeze every time you touch him, which is a sign of extreme stress.Hesitant to be alone
If your dog cannot bear to be alone and is showing signs of anxiety every time they are home alone, or alone in their crate, it may be indicative of confinement anxiety or separation anxiety. They may refuse to eat, or whine and bark more than usual, often out of fear.