omeprazole

So I got a new horse and got him scoped as his performance dropped, on scoping he was diagnosed with grade 4 bleeding ulcers. He was prescribed 6 Omeprazole injections and a months worth of sucrulfate. It has now been six weeks since he was scoped, I have seen no improvement in his weight, not...

When do you all class GastroGuard as 'out of date', as in too out of date to use? I saw a post on facebook of someone selling some GG out of date by one year (packaging all sealed etc) - would that really be ok to use, perhaps just less potent? Totally random and I'm not in the situation...