HACKING???

[Watsdadillyo]

Crackers has been hacking off and on all morning? it is like he is going to throw up but nothing comes out...he looks like he is trying to vomit but then when nothing comes out he like swallows drooll and walks away...he is breathing normal and normal behavioral...is this his first sign of sickness? usually when he would do that he'd just vomit...my dad is going for brain surgery to remove a clot and i am losing it here... any suggestions? or opinions? anyones abbies ever do this? kayte