West Highland White Terrier Relax Dog AromatherapyIs Your Normally Fearless West Highland White Terrier Afraid of Thunderstorms? Fireworks? Your Westie is probably a confident, almost cocky little dogexcept for when it thunders. That first boom of thunder turns him into a quivering, drooling scared dog. Just like people have fear triggers (spiders, snakes, public speaking), so do our dogs. For dogs the most common fear triggers are thunderstorms, fireworks and being alone. West Highland White Terrier