My little yorkie/biewer hs been seeming a little warm and sometimes looks like he has the shivers.....he eats but not as hearty as before.....i have been giving him a little dusting of crushed baby aspirin and some sugar crumbs and he is have normal bowel movements.....just not as happy go lucky as before.....this as started over night Tuesday........i gave him a big time hair cut Monday and at first i thought maybe it was all of that tiring him out but now im not so sure....sorry so long.....just he is only 9 months and i have only had him 6 months....im new to this....any help is very much appreciated