Firecrackers friends? Dogs? Ehhh I have always been super conscious about fireworks around my pet since dogs are not super fireworks friendly. You might not have thought but it affects your dog in ways you might have not felt or experienced. X They are extremely loud and since dogs have an acute sense of hearing than humans so loud whistling, crackles are alarming. X Firecrackers have unpredictable patterns and they come without warning that is what dogs cant get used to firecrackers. X Because of the above reason that's why dogs treat them as a threat. X Since fireworks are inescapable they feel trapped. So if the noises trigger your dog's flight response, he will try to run from the threat. Unfortunately, there's often nowhere to go, as you can still hear those loud booms indoors.