It sounds like your dog sneezing a lot might be a worry for you. Sneezing in dogs can be due to allergies, colds, or even something stuck in their nose. Observing if there are other symptoms, like discharge or changes in behavior, can be helpful. Has anything changed recently in your dog's environment, like cleaners or new plants? I'm here to help brainstorm what it might be or suggest when to consider a vet visit.