Petco Text Logo
Petco Pet Logo

What tests for my senior dog losing weight despite eating a lot?

Updated On September 23rd, 2025

Pet's info: Dog | Chihuahua | Female | spayed | 15 years and 1 month old | 4 lbs

My Chihuahua foster Evie is 15 and weighs <4 lbs. She eats a lot but is losing weight. With an eye to keeping costs under control, what basic tests should this geriatric lovebug have besides diabetes and thyroid?

This question includes photos that may contain sensitive content. Click to view.

View more to consider that the photos may include sensitive content.

1 Answer

Most Helpful Answer

Image profile

Answered By Sarah Derksen, DVM

Veterinarian

Published on February 11th, 2018

Hi. For weight loss, we would want a CBC checked, a full chemistry to check liver/kidneys/electrolytes/and glucose, a thyroid, and a urine test. If those are all normal, xrays will need to be done in weight loss cases. Good luck

Vote icon

1Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored