It should be alarming to you if you notice your dog flinching often. If flinching away from you in shyness or fear, you will need to work with a canine behaviorist to help your dog become more confident and less fearful. Medical conditions such as pain, disorientation, seizures and vision problems should be treated by your veterinarian and closely monitored during treatments.
Lack of Socialization
Puppies must have proper socialization to grow into confident adult dogs. Puppies that have not had positive experiences with people, other dogs or objects will be fearful and unwilling to enjoy new experiences. As a puppy grows, it is good for them to experience new situations and learn how to handle themselves when seeing something new. Dogs lacking in socialization will flinch away from these new situations or actions.
Shy Personality
There are some dogs that are simply shy or have a softer nature. They are not as willing to face new situations head on and it is not because of a lack of socialization. These dogs will startle easily and not feel confident in new situations. You will notice them flinching when there are unexpected movements towards them.
Disorientation
Dogs can become disoriented for a number of reasons. When your dog is disoriented, they will flinch away from objects and even you because they are unsure what is happening to them. Be cautious when you approach a dog that is disoriented or acting strangely and contact your veterinarian immediately for an appointment, there could be a serious underlying condition causing your dog to flinch and be disoriented.
Pain
Pain in general can cause flinching in your dog. Arthritic pain can cause your dog to involuntarily flinch when they move or when touched. Pain in the jaw or tooth can cause your dog to flinch away from your hand if you are reaching for their head or muzzle. If you suspect your dog is flinching from being in pain, have your veterinarian conduct a physical examination to determine the cause.
Seizures
Many times a mild seizure will cause flinching and tremors and you may not even realize that your dog has just experienced a seizure. A seizure is an involuntary, temporary disturbance of the brain’s function. Seizures can cause permanent damage to your dog and should be quickly treated by your veterinarian.
Vision Problems
Dogs that are experiencing vision problems may be flinching away from things that they cannot clearly see. This is especially true for dogs that are suffering from cataracts or PRA, progressive retinal atrophy. Dogs with cataracts will begin to see cloudy images and eventually can go blind from the cataracts. Dogs with PRA will see things begin to dim and fade and will eventually go blind.