Based on the history you provided, the following are the most likely causes for your dog’s trouble breathing. Not listed here but a possibility for trouble breathing at this advanced age is cancer of the upper or lower respiratory system, seen as primary disease in some cases, but also commonly present secondarily as spread from another primary cancer elsewhere in the body. Again, we cannot emphasize enough that trouble breathing is a medical emergency and a veterinary visit is recommended ASAP. If you still seek further information, please visit our
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Chronic allergic tracheobronchitis
Congestive heart failure
Complications from heart murmur
He is and 11 year old male German Shephard/Alaskan Malamute mix. This morning he could not stand and is having labored breathing…