Coughing to vomit tonight

We had just put Justus to bed tonight when, about 10 minutes after he dozed off, he began coughing on what seemed to be teething drool. The coughing increased until he vomited a small amount on the bed. I began to pick him up to soothe, and better position him when I noticed him getting ready to puke more. He ended up vomiting up most if not all of his dinner which consisted of a jar of squash and a bottle. :(