Not yet. Thats next.
Is he getting enough exercise? My old boy used to get random swelling in cold winter months—sheath, random spots on his body that would stay for a week or so. After a battery of tests that showed nothing, we came to the conclusion that he just had poor circulation, and in the winter we needed to make him move around more. (When we turned him out he would just stand around). So I would send him to a farm in the winter that had a eurocizer, kept him blanketed to help keep himself warm, and that solved the weird swelling problem.
He had some sheath swelling in the early fall that we reached the same conclusion! Since then, he gets easy exercise (30 minutes at mostly walk and easy trot) every day I’m out, which is 5 days a week.
I don’t know if he needs more? How long did your old guy spend on the eurocizer ?
It was about 40 minutes, 7 days a week. I think they jogged him about 3-4 days and walked the rest, although the walk pace was set fairly brisk.
If that question was for me and my errantly placed image (oops, was supposed to go in a message lol), yes, my pony has had several scopes - 4 x standing (on 3 different occasions), 1 x dynamic, 1 x lung wash. Nada save for some eosiniphils in her lungs.
She is due for another scope though as she has had some snot issues that clear up with abx and come back, but no horrendous chipmunk cheeks for quite some time.
Sorry, maybe I hit the wrong button, but I intended it for the OP. My guy gets this from allergies (including dry and dusty and windy conditions in the “off” season, mentioned above). We did do a full gamut of scopes, ultimately diagnosing him with asthma (mast cell type). But none of them really explained the throatlatch swelling other than the link with allergies.
Anyway, it’s an easy enough procedure to at least rule some things out.