Comfort Zone Plug In Dispenser Is Not A Drug, But It Will Calm Your Pet. Reduces or stops stress related activities like barking, whining, chewing, urinating and defecation. Reduces seperation anxiety. Calms your dog during storms, fireworks celebrations and when he is home alone. Comfort Zone copies pheromones mom dogs release when they nurse their pups. Give this a try before you start your dog on a drug treatment plan.