However,
since it can be a sign of a more serious problem, it is essential for you
to take your
pet to a
veterinarian if you notice any of the following symptoms: Sneezing, Reverse Sneezing, Runny or Stuffy Nose, Loss of Appetite, Swollen Areas Around the Nose or Eyes, Gagging or Retching and Foul - Smelling, Thick Mucus.