What Is a Reverse Sneeze in Dogs? 🤧🐶 Haley's dog, Yoyo, would LOVE to show you! If your pup suddenly starts making loud snorting or honking sounds, it can be pretty alarming — but it might just be a reverse sneeze, and it’s usually nothing to worry about! So what’s happening? During a reverse sneeze, dogs rapidly pull air in through their nose instead of out. It’s their body’s way of clearing irritation from the throat or soft palate. What does it look like? You might see your dog: Stand still