Husky

Question
Can a "sour" breathe smell be a sign of something that may need checked out on a husky.  The smell recently started about three weeks ago and he started throwing up this weekend after eating grass.  I do plan on calling my vet tomorrow.  

Answer
Hi June,
  If he will let you, try to do an oral exam. Look in his mouth to make sure he doesn't have anything stuck in his mouth like (raw hides, hoofs, bones, chew toys).
  I would take him to the vet. for a check up. Also a bad tooth or lots of tartar build up can cause the mouth to smell. Take care and good luck to you!