Please help before I go to urgent care or ER like a crazy person.

My youngest has a weird cough and don’t really know how to describe it. It sounds dry (forced cough) and like she’s gonna gag and then at the end of it she gasps like she can’t breathe. It’s gotten more and more frequent over the course of 3 days.

The first day she had a fever and then I heard that cough maybe twice during the day and twice at night. Then the 2nd night it was few more coughs during the day and a few more at night. Today it’s been like every 1-3 hours a cough or two and it’s starting to scare the hell outta me...I’ve been giving her cough medicine and I thought it was working the first day but I guess not.

It went to the internet and it probably was a bad idea. I’ve never heard my oldest do this so it’s scary, my poor baby has been thru a lot in her 6 months...any ideas of what it may be ? Or sounds familiar?