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Why is my 3-month-old puppy still bloated after worm medicine?

Updated On September 23rd, 2025

Pet's info: Dog | German Spitz | Female | unspayed | 2 months and 11 days old

My 3 month old puppy's stomach is very bloated. The puppy's behaviour is normal, she is showing no signs of pain and is very playful. Her fical matter is light brown to dark brown and is solid and semi solid. Only her bloated belly is causing me to worry, she has been bloated for 3 days now. I checked with a local vet and he said it is due to worms and I gave my puppy the prescribed medication, now 2 days passed and her condition is the same. This there any advice for me?

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3 Answers

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on August 10th, 2018

HI, thanks for using Petco Pet Education Center, formerly Petcoach! Puppies tend to have a more bloated belly. Intestinal parasites are usually the main cause of this. Sometimes the intestines are more gassy in puppies too. I would give the dewormer some more time. If there is no improvement by a week i would have her examined and bring a stool sample with you. Sometimes changing puppy food can help as well. She is due for vaccinations so a Vet exam should be happening soon anyway. Good luck!

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    Answered By Jennifer Summerfield, DVM CPDT-KA

    Veterinarian, Certified Dog Trainer

    Published on September 18th, 2016

    The most common cause of a bloated belly and gas in a young puppy would be intestinal parasites. You can try deworming her with a broad spectrum dewormer labeled for dogs such as Panacur - just follow the instructions on the label for her weight. If there is no improvement within the next 2-3 days, or if she develops any other problems such as vomiting, acting lethargic or not wanting to eat, I would recommend having her examined by a vet to find out what wrong.

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    Answered By David Darvishian

    Veterinarian

    Published on July 18th, 2021

    Hello and thank you for using Petco Pet Education Center, formerly Petcoach. Abdominal bloating in puppies is often seen post-eating but is also seen due to intestinal parasites or other intestinal/abdominal problems. This can be caused by gas or fluid buildup. Since there was bloating and diarrhea, I would be concerned about intestinal worms or another problem. I would advise getting Ivy seen by your veterinarian. They will gather a history, do a physical exam, possibly run some tests (fecal), and advise you on treatment. Multiple dewormings of puppies are advised every 2-3 weeks from 2 - 12+ weeks of age with monthly dewormings done once heartworm prevention is instituted. Intestinal parasites in puppies/kittens can be transmitted to infants and children so deworming is very important not only for the health of the pet but to protect the family also. I hope this helps get Ivy back on track. Good luck.

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