I'm sick!

I sprayed the dog repellant about an hour ago, and I am nauseated and have a headache! It smells so bad! How can plant oils smell so gross and have such a nasty effect? After handling that stuff, I continue to "smell" it - you know how a song gets stuck in your head? This stench gets stuck in my head and I keep smelling it in everything and nothing. I was really careful to have as small exposure as possible. Yuck. I sure hope it works.