When my barrel gelding come up out of the pasture one night, he was walking all drunk and falling, one vet that came out to see him said it was rabies, I didnt think it was rabies myself, he didnt act sick and all this happen overnight, I told him I think he might have ran into a tree and cause head trauma, so that vet left and I called Dr Martin at Retama, brought him in when he could handle a trailer ride over there, had a Spinal Tap done on him, it came back clean, no EPM, did some more tests on him for something else that I cant remember what it was, all clean. And the Spinal Tap was not expensive it was 185.00 at that time, the treaments would have been way more expensive.

If your horse means alot to you and its your heart Horse like mine are to me then a EPM test is worth it to get it ruled out. My gelding did came back and never had any more issues, Dr. Martin agreed that it was trauma to head or neck to cause him to be drunk, we did x rays too, all came back clean.

So my point is if your horse is important get a EPM test if its not EPM then you can move ahead to the next thing to look for. 

My gelding is worked 6 days a week, and pretty looky. No ulcers, etc, and I put him on Oxygen Relax pellets and Oxygen Mag-Select pellets (magnesium pellets) and those two products combined have really helped him focus. He's been on them for about 100 days and I've seen a big difference. I love the Magnum 44 paste 2 hours before an event or trailer ride. And no, I'm not a dealer, just really like their products. 

He is by WR This Cats Smart by High Brow Cat and out of a mare by Smart Mate by Smart Little Lena.

I myself LOVE the WR's. I think they're smart and athletic and bigger than average as far as cutters go. I'm always on the lookout for another one. But they're one of those lines that has a reputation. Not even necessarily as looney, but as big motored and big ego'd and pretty reactive. I'm not saying that it's just his breeding and there's nothing physical going on, but it could very well be a contributing factor.

I bought a Lenas Telesis who's overly reactive and sensitive, and when I took her down to ride with a trainer he told me "Oh all those Lenas Telesis horses are goofier than $#!&.", so I feel your pain a bit!

My gelding is the same way - has been since I got him 4 years ago. Cutting reject gelding with a year of training. He dashboarded me probably 3 dozen times at the puddles when we were warming up in the dark on Friday at a race. Flinches or runs away if you move too fast. He's gotten a ton better with me but is very much a one person horse and will flat fly sideways if someone else comes at him too fast. It's just something I've learned to deal with. MagRestore by Performance Equine has helped a ton. I can tell when he misses a couple doses. I also think he has some gastric issues going on which I'm in the middle of figuring out - he's much more docile when treated for ulcers however I know he didn't have any when I first got him so he's always been like this to an extent. Draw some blood, my guy was Vit E, Vit A and selenium deficient. Cheap test to try. Let us know what you find out!