This link here may help : HERE
DAP diffuser - This is a device you can plug into an electrical outlet and it sprays a dog pheromone to relieve stress.
Here's a link: http://www.healthypets.com/dapdogappher.html
Composure Liquid Another homeopathic remedy which works great for dogs that are agitated
Here is a link: http://www.vetriscience.com/composure-liquid.php