I am grasping at straws here.....did you have your little man outside, if so could he have gotten stung by a bee? sounds like him favoring his paw perhaps the stinger is still in there and as well may have had a bad reaction to the sting.
If he hasnt been outside could someone have stepped on him, is there a larger dog or a human kid in the house? could they have injured him without you knowing?
It doesnt sound like low blood sugar...I would take him in as soon as you can.
__________________ Kimberly |