My dog is very weak and sick after he got shots?

sometimes after getting shots, pets or not, they get a little sore. depending on how powerful of a shot changes how sore you are. Think of it this way when you were little and the doctors just gave you a shot your arm hurts for awile and thats how your dog is feeling. If your dogs legs hurt too much for him to want to get up he either needs some rest or a pill the vet can give him. most people are against giving dogs human food but if you would like try giving him a little gatorade that worked for my puppy when she had parvo and didnt want to get up. :)