Purrley...Thinking of you and Spence. I think finding a good vet that you really trust would allay a lot of your fears. I hope the precious Spence is keeping his food down. It sounds like, for some reason, the purring, vibration, is instigating a gag/cough relfex. And we all get concerned when they get runny noses, sneezing, cold symptoms. Please give him a hug and love from Mr. B and Oliver and me too, of course!