What causes dogs to sneeze?

Answer:
Just like humans, dogs have allergies and they might be allergic to common things such as.....
-pollon
-fresh cut grass
-flowers
-and many more
If you find your dog reverse sneezeing then don't worrie its just AA sneeze nothing harmful. When you hear it it might scare you but if your dogs is doing that too much, then you should ask yourpet's vet. However not all dogs sneeze or reverse sneeze. Some might just be coughing but if it sounds bad and your dog starts to stop walking to cough, then you should call your vet emetietly or eles your pet might have a long term sickness that might lead to death.
First answer by Purpleshine. Last edit by Purpleshine. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 0 [recommend question].