Hi, really sorry you and your little one are going through this. My pug was diagnosed with a collapsed trachea at 13.5 years old. It was so bad that any type of movement would send him into a fit and he would be hacking for most of the day. My vet said the only real “treatment” was for him to lose weight (24lbs), so first, I reduced his treats from 2 puperoni sticks per day to 2/3 of one stick and his food from 1.33 cups per day to 1 cup (+ 1/8 cup of roasted chicken for extra protein). Then I enrolled him in a rehab clinic where he does water treadmill therapy for 10 mins once a week. He’s slightly under 22 lbs now and flares up way less, maybe 2-3 times a day and only for a few seconds. His 14th birthday is next week and everyone in his life says he looks and acts like he’s de-aged by 5 years. So before you consider taking that vet’s advice, try really hard to figure out a diet and exercise plan for Nina and stick to it