Noise is not a diagnosis
Both breeds are brachycephalic, with shortened faces that can affect airflow. Snoring, persistent noisy breathing, exercise intolerance and sleep disturbance deserve veterinary assessment. Do not dismiss difficulty breathing as a cute breed trait.
BOAS and nose surgery questions
Brachycephalic obstructive airway syndrome can involve more than the nostrils. A veterinarian evaluates the dog and may refer to a specialist. Surgery suitability, risks and costs require an individual examination; a website cannot decide whether nose or airway surgery is needed.
Heat stroke is an emergency
Keep walks comfortable, avoid strenuous activity in warm conditions and never leave a dog in a parked vehicle. Breathing distress, collapse or suspected overheating requires immediate veterinary help. Do not delay while looking for internet remedies.
Reverse sneezing and other episodes
An occasional unusual sound and actual respiratory distress are not the same. Record a brief episode if safe and discuss it with your vet. Prolonged symptoms, blue or pale gums, collapse or obvious struggle to breathe need urgent assessment, not reassurance from a breed forum.
Exercise, swimming and travel
Use short comfortable walks adjusted for age, weather and the individual dog. Do not assume Bulldogs can swim safely; supervise around water and secure pools. Airline rules for flat-faced dogs vary. Confirm restrictions and veterinary travel suitability before booking.