*Trigger Warning - vomiting*

Hi Reddit, this is going to be a long post, my apologies (and gratefulness if you read all the way through and can offer any sort of support/advice)

A super quick backstory - my 6 year old daughter has had a fear of vomit for a while now, all stemming from her younger sister (3) throwing up all over her during breakfast a year ago. It hasn't been a debilating issue, but is frequently a cause of concern for her.

Fast forward to present day - a few weeks ago, she (6 year-old) got rocked with the stomach bug. She went to bed fine, woke up a few hours later with intense stomach pains followed by vomiting that persisted all night long and into the next day. As you can imagine, this was not a pleasant experience for her.

Ever since this stomach bug, her anxiety revolving throwing up has amplified x1,000. She is getting stomach aches every single night (is fine during the day) and is immediately spiraling into a mild panic attack, convinced she's going to start throwing up again.…