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My 6-month-old dog is vomiting, has diarrhea, won't eat. What to do?

Updated On September 23rd, 2025

Pet's info: Dog | Rottweiler | Female | unspayed | 5 months and 24 days old | 75 lbs

Hi I have a 6 month old German Rottweiler who won’t eat has been puking all day and has diarrhea. She has been barely drinking any water. She’s usually very active and will follow me room to room but now she just lays there even when I call for her. She is up to date on all her shots. I feel horrible because i know my baby isn’t feeling well. Any tips on what to do or what could of caused this??

4 Answers

Most Helpful Answer

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Answered By Shaneez Wallani, DVM

Veterinarian

Published on May 6th, 2019

Poor Lyla! Diarrhea and vomiting could be caused by toxin ingestion, parasites, change in diet, infectious viral diseases such as parvovirus, blockage in the gastrointestinal tract caused by ingestion of a foreign body, or a mass/growth in the gastrointestinal tract. Please make an appointment to have Lyla seen by a veterinarian as soon as possible, as severe vomiting and diarrhea can lead to dehydration, and can be dangerous if left untreated. I recommend you take Lyla in to the vet, and take in a fecal sample from Lyla when you go. Your vet will likely want to test the sample to see what kind of parasites Lyla may be dealing with so that they can be treated for accordingly.

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Other Answers

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    Answered By Karly Macon, DVM, MS, CVA Certified Veterinary Acupuncturist

    Veterinarian

    Published on May 5th, 2017

    It sounds like Tucker may have some diarrhea, and this can make them feel quite ill. This is called gastritis/gastroenteritis. He may have gotten into some thing that has upset his stomach. If he is current on his vaccinations, then Parvovirus is less of a concern. If this vomiting and diarrhea goes on longer than today, or if he is very lethargic and is acting very droopy, you need to get him into a veterinarian right away for an exam, bloodwork, and abdominal X-rays to make sure this is not something more serious than an upset tummy.

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    Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

    Veterinarian

    Published on September 19th, 2018

    These signs could be compatible with an inflammation infection of the gastrointestinal system and surrounding organs (like pancreas and liver). A clinical examination at your local veterinarian is immediately essential to confirm these clinical suspicions and treat appropriately. Antibiotics and possibly further investigations (like abdominal imaging as ultrasound or radiographs) may be needed. Hope this answer was helpful, but please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

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    Answered By Kevin Sanada, DVM

    Veterinarian

    Published on May 28th, 2018

    This is not specific to any disease, but indicates that something is either directly upsetting his stomach, or generally making him feel nauseous and very painful. What you are describing could indicate a serious infection, bowel obstruction, or pancreatitis. Either way, this is considered an emergency and I recommend taking Phat Phat to a veterinarian immediately. They can help narrow-down the cause of this and provide treatment to at-least make him feel better. For more information about vomiting, I recommend you read the article at the link below. https://www.petcoach.co/article/diarrhea-vomiting-in-dogs-when-to-call-your-veterinarian/ If you have further questions or need further clarification, then you may consider having an online consult with one of our vets on Petcoach. This way, you can send unlimited pictures and have a text conversation with a vet. I hope that helps and Phat Phat gets better soon.

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