Has anyone experienced something like this?

DD, 4 years, has been vomitting since last sunday evening. But it's not the gastro pattern I'm used to. She wakes up fine in the morning, deteriorates in the afternoon/evening complaining of a sore tummy, and may or may not throw up. She's not had any fever, no diarrahea. And can't remember swallowing any toys, coins, etc.

I've been waiting nearly 4 hours now for the locum to show up So I thought I might as well put this out here to see if anyone had any similar experiences.