Hi - Have thought my just 16 yr male was hyperthyroid, but testing hasn't confirmed after 2 yrs. What has happened (now so locked in after getting up from nap) is a gagging cough or coughing gag, and my vet and I have had issues re stuff so I may not get Ecco back there soon. He's not on any meds, but eats all day long, no wt loss, but then he eats a lot! Just don't know what to do about this gag/cough every time he wakes up... any ideas? Thanks!