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Updated on September 23rd, 2025
Pet's info: Dog | Labrador Retriever | Male | neutered | 58 lbs
My dog Mason has been very sick for the past couple of month. Hacking and gagging and coughing really bad. He coughed up blood so I took him to 2 different veterinary hospitals and both couldn't tell me what was wrong, one prescribed him antibiotics and cough medicine but it hasn't helped or improved his condition. They found a mass near his heart but they couldn't provide any more information. I need help in understanding what my dog is going through and how to help him, please.
1 Answer

Answered By Anna M., DVM
Veterinarian
Published on April 3rd, 2019