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Updated on September 23rd, 2025
Pet's info: Dog | Chihuahua | Male | neutered | 13 years and 11 months old | 5.4 lbs
My dog is in Kidney Failure & just diagnosed w/ Pulmonary Hypertension. Last week he got sub-q fluids, shortly after he started breathing very quick & hard (over 60 breaths a min). He ended up in emerg. I was told the kidney failure caused the rapid breathing not the fluids & he was put on IV fluids for 3 days. But, I am now scared to do sub-q fluids again as another 3 days at emerg isn't something I can afford & seems to be doing ok. Could they have caused the breathing trouble?
2 Answers

Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH
Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner
Published on February 12th, 2018
Answered By Sara Farmer, DVM
Veterinarian
Published on February 14th, 2018
If the pulmonary hypertension has caused right sided congestive heart failure and fluid retention it might not be ideal to increase fluids. It can be very difficult to balance kidney failure with heart failure however and subcutaneous fluids are unlikely to cause significant fluid overload. I sometimes will recommend periodic subcutaneous fluids for my patients with kidney and heart disease.
If there is no congestive heart failure and just pulmonary hypertension then I think subcutaneous fluids are very safe and can be beneficial for kidney disease. It would probably be best to ask your vet if they think Memi should be on fluids regularly or just as needed since they know the particulars of his treatment.
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