I've noticed that my girl vomits a day or so after she has a Bully Stick

. Has that happen to any of your babies? I bought several from different stores and they all look different. Some are very dark and some have like a coding on them. After chewing on one my girl has dark circles under her eyes and has trown up twice this morning.
Last time my girl had an upset stomach, she had to go on a diet and meds. But I'm not sure if it's because of the Bully Stick or green beans or baby peas. What do you think it could be?