My dog with a heart murmur is coughing and drinking a lot. What's wrong?

Question

My dog has been coughing for a couple days, and drinking excessive amounts of water. She has also been diagnosed with a grade 3 heart murmur, and is currently on a ten day treatment of antibiotics (Clavaseptin) for an anal gland infection. Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 13 years and 1 month old | 11.22 lbs

Laura Johnson VMD · Accepted Answer

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Decoder! If Decoder is already on an antibiotic then that would ideally be helping for something infectious like kennel cough or pneumonia. My worry is the heart murmur and a new cough. She should be seen by your Vet for an exam and X-rays of her chest to check for congestive heart failure. Blood work can help figure out the increased thirst. Try to bring urine if you can. Causes for increased thirst are: cushings, diabetes, cancer, kidney or liver failure, UTI (less likely since she is on an antibiotic). I hope this helps and I wish you and Decoder the best!

My dog with a heart murmur is coughing and drinking a lot. What's wrong?

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