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Can I give guaifenesin to my pregnant dog with breathing issues?

Updated on September 23rd, 2025

Pet's info: Dog | Parson Russell Terrier | Female | unspayed | 6 years and 10 months old | 35 lbs

I have a year old Wheaten terrier with bronchial infection. She is pregnant, 20 days, can I give her gaufenesin to help her breathing?

1 Answer

Most Helpful Answer

Christie Long, DVM

Answered By Christie Long, DVM

Veterinarian, Certified Veterinary Acupuncturist

Published on January 30th, 2017

If Holy truly has a bronchial infection, then she needs antibiotics to help clear it. Guaifenesin is typically only used in veterinary medicine for induction of anesthesia for horses, and I can find no information regarding the safety of its use in pregnant dogs. I have occasionally used it in dogs with pneumonia to aid with expelling the fluid in the lungs, however I would advise that Holy should see her vet today in order to obtain and exact diagnosis as to what is causing her breathing difficulties, and obtain a treatment that is appropriate for her disease and safe for her puppies.
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