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Why is my senior dog with heart murmur coughing, breathless, fainting?

Updated On September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Female | spayed | 11 years and 8 months old

My dog is a 11 1/2 years old King Charles bitch she has a stage 4 heart mummer she has started coughing sneezing burping farting and more breathless than normal she also what seemed like she fainted after waking up from a deep sleep like her blood pressure dropped . She is eating happy to go out

1 Answer

Most Helpful Answer

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Answered By Dr. Elizabeth

Veterinarian

Published on June 18th, 2019

Molly needs to be seen by the veterinarian quickly. It is possible she is progressing into heart failure. Medication can often help this condition be managed but it needs proper diagnosis. Without treatment, this may progress quickly and prove fatal. Have her examined today. Best of luck.

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