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My dog has diarrhea and vomiting after a boat trip. What's wrong?

Updated On September 23rd, 2025

Pet's info: Dog | French Bulldog | Female | unspayed | 7 months and 2 days old | 16 lbs

We took our pup out on the boat yesterday. She did great, had lots of water and her regular lunch but had some extra dog treats throughout the day (a stuffed kong and a new bone) & some water melon. She went swimming and I'm not sure if she drank salt water or not because today she has diarrhea really bad & about 20 min ago she threw up twice. She wouldn't eat breakfast this morning but did drink water. She ate her lunch but within 15 min had diarrhea again :(

2 Answers

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on August 14th, 2017

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Kona! Sounds like Kona had a eventful weekend! I think the new treats and/or the water could be causes of her upset stomach today! I would fast her: no food or water for 12 hours. If she doesn't vomit fasted then start "sip and nibble" of a bland diet of boiled chicken or hamburger with rice and water in 12 hours. Feed small frequent meals about 1 cup per day. If she continues to vomit or have extreme diarrhea during the fast or starts vomiting when you introduce food then she should be seen by your Vet! I wish you and Kona the best!

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    Answered By Maria DVM

    Veterinarian

    Published on September 25th, 2018

    I would recommend bringing her to your regular veterinarian especially if she is lethargic. Even if she just has an upset stomach they can provide her with fluid support to help hydrate her. She may have just an upset stomach, but it can always be more serious like a foreign body or pancreatitis. I hope Kona feels better and thank you for using Petco Pet Education Center, formerly Petcoach.

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