This is a dream of contrary and deliverance. In the witrary, if you are well off and see yourself vomiting, it is a sign of coming reverses. On the other hand, if you are not well off, it predicts financial improvement.
When you vomit strange objects in the dream, it means victory and cleansing of evil deposits in your life. It also means warning from repeating bad behavior. Dog eating its vomit.
When you vomit cowry, it means a break from evil powers of your father’s house
To vomit worms, lizards, pins etc in the dream means overcoming powers behind infertility, poverty and stagnancy troubling you.