Could be acid reflux or collapse trachea. How old is he? Usually collapse trachea shows up around 6-8 years old and especially if they are overweight. Also a cough can be from a enlarged heart. But you said you took him to the vet so I am sure they would of seen that on the X-rays. Is it a full blown out cough. Look up collapse trachea and reverse sneeze on youtube. If you can't look it up let me know I can post two videos here for you. My yorkie does this fast hack sometimes and sometimes he will spit saliva with it. |