I'd struggle.. mm. I wouldn't say I am emetophobic, I don't panic and I am not scared..
However.. and this affects me daily... I will vomit if I:
Hear others vomit
See others vomit
Smell others vomit
See goo/snot/spit/dribble particularly on people (and very much if on me, if its someone elses though Im not chuffed if its mine really).
See things that look like the above.
Think too hard about any of the above.
I am actually impressed I have got this far writing this post...there are days when I would not have!
I have been like this since a small child, as long as I can remember, the gagging and throwing up is uncontrollable and I did not 'do it for attention' as some adults claimed, nor have I grown out of it.
I was horribly travel/motion sick as a child and still am now unless in the front seat (And sometimes even then), I also have ARFID, and a sliding hiatus hernia which I do think are all linked.
For years I couldn't eat soup because it looked like spew and tbh, I struggle with most types of soup now, there are only a very few that I eat and I have to eat them with a spoon, I could not do a cuppa soup, or the types that are lumpy or have a rather glutinous (potato based) texture.
I manage with my own spewing without fuss and it is rare I make a mess (I have recently as I have started doing it with no warning whatsoever, I also spend a lot of time most weeks feeling sick but fairly confident I won't be sick, which I suspect has put my judgement off a bit), and I am not scared of being sick...
But if someone else is being, or there is something grim on tv or in real life that is 'sick adjacent' I have to get out of there and think about something else or I will join in.
In practical terms it means I can't be around babies/small children, dribbly dogs (and i HAVE a dribbly dog, we keep a lot of tissues around and I am almost immune to him now, mostly...), struggle with other people eating, have to turn various tv shows and films off, I don't drink or hang around with people who do, can't clean up pet vomit... or be near it (I can't actually clean it anyway. I have had to hide in other rooms til DP gets back if a dog has spewed when he's out!).
It isn't funny, it isn't 'for attention' or something I can just 'get a grip' about - it upsets me I cannot help a friend or loved one who is feeling unwell.