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My dog ate a battery. Will it pass in his stool and how long?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 20 lbs

Hello again. These kinds of batteries are what im talking about. When you say batteries passed with no symptoms after 7 days do you mean passes in the dogs stool? Thanks again for the lovely help, it really helped me understand the danger of batteries better :)

1 Answer

Most Helpful Answer

Linda G,  MS, DVM

Answered By Linda G, MS, DVM

Veterinarian

Published on May 15th, 2019

OK, just a regular alkaline battery. That does not mean it cannot cause severe ulceration if the battery was to leak, but sometimes these can be managed conservatively. If it has been 4-5 days & your dog is completely well & un-symtomatic, then start feeding him 2 tablespoons of canned pumpkin ( not pie filling ) twice a day in his food. This will act like a bulk laxative to hopefully help move the battery out. Yes, it can take up to 7 days for this to pass in the stool. All batteries can be potentially very dangerous, & can cause massive burns to the tissues in the gut. It would be nice to know if you have anything to worry about, but as long as Alex seems to be acting normal, just keep a close eye on his appetite & signs of a black or bloody stool.
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