Ok so my 4yo qh gelding has blister all over his chin, nose, and lips. He's hardly eating and has been dropping weight. Nothing has changed that I can think of that would cause it... But he has been started under saddle recently (about a month ago) they showed up over night and I have NO IDEA what they are! Someone please help! I just had a baby so right now cant afford a big vet bill. I had my vet tech friend come out and look at it. She was baffled by it also and said she would ask her boss who is also my vet. They are open soars and are dry, cracked, flakey, and bleeding. It's not a sun burn and I put Vaseline on it today but had to wrestle with him (he's a BIG 16hh halter horse) but they hurt so bad he kept throwing his head. He is hypp nh but I dont know if that makes a difference? My tech friend said she didn't think so because it isnt a muscle problem. Any clues??????? I have pics of his face but dont know how to load them.....