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New puppy has bloody poop but seems healthy. When to see a vet?

Updated On September 23rd, 2025

Pet's info: Dog | American Cocker Spaniel | Male | 2 months and 3 days old | 6 lbs

I have a new puppy, I can't afford to bring him to the vet until the 12. Hes been home since Sunday morning and has had bloody poop since his arrival (majority are solid poops, only with a drop or two of blood on the end). Healthy appetite. Drinking water. Been playing with other 2 dogs non stop. What to do? He's taking paxxin right now and I've given hI'm Bayer quad dewormer. Poop appears to be slightly grainy

3 Answers

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on March 7th, 2017

In young puppies, intestinal worms are a very common cause of diarrhea, and it can lead to some blood in the diarrhea as well. You've done the right thing by giving Charlie Brown a deworming treatment, and given that he is eating drinking, as well as behaving normally, I would monitor him for now. The deworming treatment should start working soon, and hopefully will clear up the diarrhea. Should he stop eating and drinking, become very lethargic, or start vomiting, he will need to see a vet immediately as that could signify he is suffering from parvo.

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Other Answers

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    Answered By Jenna Beyer, DVM, MBA, cVMA

    Veterinarian, Certified Veterinary Acupuncturist

    Published on September 10th, 2017

    Diarrhea with or without blood can be caused by food intolerance, food allergies, intestinal parasites, bacterial or viral infection, stress colitis, among others. I would recommend giving the dewormer that your breeder has given you since they may know about intestinal parasites that their dogs have. Also, feed the same food that they were already feeding Dexter to avoid irritation to his tummy. If it is caused by stress it should get better after a few days when he can get to know you and his new home. If Dexter has a decreased appetite or starts vomiting, this may be a sign of infection and he should be seen by a vet as soon as possible.

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    Answered By Ana M, DVM

    Veterinarian

    Published on March 24th, 2019

    Thank you for submitting your question regarding Bella. While diarrhea with blood can be a sign of parvo, it can be seen in other cases as well. Intestinal parasites, a bacterial imbalance secondary to a diet change, stress of a new environment can all cause diarrhea. She needs to see a veterinarian soon. She will be examined and have fecal testing performed. Based on these results, appropriate treatment can be started. I hope this information helps you!

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