Separation anxiety is a very common problem in dogs. It can be caused by a number of things, but the most common cause is when a dog feels scared or upset when they're left alone.

Symptoms can vary from dog to dog, but generally, they'll show signs like whining, pacing, hiding, and refusing to eat or drink.

There are a few things you can do to help your dog cope with separation anxiety, but the most important thing is to make sure you're providing them with the right environment. This means providing them with plenty of toys and treats – something that will make them feel safe and secure – as well as regular affection and attention. If their anxiety remains constant one can go for separation anxiety training for dogs.

Separation anxiety can be caused by many different things, but some of the most common causes are:

– Lack of Socialization – Giving your dog enough positive experiences with humans and other animals will help to minimize the chances of separation anxiety. This could mean taking your dog on regular walks, playing with them in a backyard kennel, or setting up a playroom in your home for them.

– Anxiety in the Home Environment – A dog's natural environment is where they feel safe and secure. If there's something in the environment that triggers anxiety, such as being left alone in a new house, this can lead to separation anxiety. 

– Separation Aggression – Some dogs suffer from separation aggression, which is a type of behavioral problem that occurs when someone is overly anxious about being away from their owner. 

If you're noticing your dog is increasingly reluctant to spend time with you, and seems to be struggling to cope when you have to leave them alone, it's likely they have separation anxiety.