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Updated on September 23rd, 2025
Pet's info: Dog | Dalmatian | Female | spayed | 12 years and 10 months old | 37 lbs
How common are Giardia infections in dogs by sniffing, not actual ingestion of cysts such as drinking contaminated water?
2 Answers

Answered By Emily, DVM
Veterinarian
Published on June 10th, 2017
Answered By Dr. Melanie, BVSc MS
Veterinarian
Published on March 12th, 2017
Yes, giardia is contagious. It is typically acquired by eating or sniffing the cysts from contaminated ground, or by drinking contaminated water. If the dog infected with giardia pooped on the ground, and the other dog sniffed it or ate the feces, then they could get it as well.
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