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My 2-month-old puppy is lethargic and has a warm tummy. Is she sick?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | unspayed | 2 months and 2 days old | 6 lbs

My 2 month old puppy has low energy and her tummy feels warmer then normal. What could this mean? I haven't checked her temperature but I don't currently have anything to check it with.

1 Answer

Most Helpful Answer

Ann Dion, DVM

Answered By Ann Dion, DVM

Veterinarian

Published on December 17th, 2018

Hello and welcome to Petco Pet Education Center, formerly Petcoach.

Puppies do sleep a lot, so if Callan is just sleeping in between running around and playing normally this might be normal puppy behaviour.

If Callan is very low energy all the time, and you feel the tummy is bloated, then I recommend a visit to the vet. You cannot tell their internal temperature without a rectal thermometer and 'feeling' them gives very inaccurate results of temperature.

Possible causes of a puppy not feeling well include intestinal worms, a tummy ache from a change in food, a virus, and other more serious causes include severe viruses such as parvovirus, intestinal obstructions, congenital malformations, etc.

Best of luck with Callan, I hope he is up and running around and playing again soon!
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