Aw, poor Nala! Blaze is so freaked out with thunderstorms too, I feel so bad! Whenever he hears thunder or sees lightning, he runs downstairs in the basement with his tail between his legs and finds the darkest spot he can! Sedatives do work as well like everyone else said...our neighbors have a border collie that is even more terrified than Blaze, and sedatives really calmed him down.