Any chance she’d be okay with a small dose of ace just to take the edge off? That’s what I do for my senior who gets anxious. You could try just 1 cc and see if that’s enough to reduce anxiety but keep your horse fully alert. I also add in Tylenol because my mare has arthritis, which is what I believe causes the anxiety. You could try a pain med too, just in case there’s something else going on, as well.
But I’m curious to see if anyone has used cbd successfully as I’d try it as a non-nsaid alternative.
Another option might be a double dose of SynChill about two hours before the farrier arrives. A double dose is quite a bit even though it is consistent with their usual dosing instructions. Now that I’m writing this out, I’m thinking maybe I’ll try that rather than the ace next time for my senior! I gave her a double dose once and it hit her pretty hard! Based on that experience, I’d probably give her just one scoop. (She’s a little thing - probably less than 900 lbs.)
Just to clarify, by double dose I mean 2 scoops. Their recommended dose is 1-2 scoops. Definitely give it 2 hours to kick in fully.