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chronic cough

  1. Undiagnosed cough

    Dog Health
    Hello all! We are desperate for answers and have none. My 8 year old shepherd/lab mix started coughing about 2 years ago. He spits up white foam for a while then it turns to blood. I’ve taken him to 5 vets. No one can give us an answer. X-ray shows a healthy heart and lungs. Ultrasound shows a...
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