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Dog ate fertilizer.

Species: Dog
Breed: Border Collie Mix
Age: 1-2 years
Hi Dr. Marie,

Jake, a 25 lb Border Collie mix ate a small amount of a grass seed/fertilizer product about 5 hours ago at approx.3:00. I found out about it at 6:00. On the advice of my veterinarian, I gave him 2 tsp. of hydrogen peroxide to induce vomiting.


Jake finally vomited, at 8:15. My vet told me it might happen immediately or within a half hour of giving him the hydro peroxide. Is this a sign of poisoning or has the hydrogen peroxide just taken longer to work?

Thank you for your advice.

Barbara Hatfield





Online vet, Dr. Marie

Dr. Marie replied:

Hi Barbara. If peroxide is going to work, it is usually within 5 minutes. I would guess that the fertilizer is causing some stomach upset.

Can you give me some more details about what the seed/fertilizer product is and I can see if I can determine how worried you should be?


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

Customer reply:

It contains the following:

Fertilize Analysis'5% Nitrogen
5% Phosphate
5% Soluble Potash
------------------------
73% Mulch
17% Fertilzer


Online vet, Dr. Marie

Dr. Marie replied:

OK. I did a little research for you. Most regular lawn fertilizers are not terribly toxic to dogs. What that means is that they can cause some stomach upset, but they are not likely to cause serious problems.

The nitrogen can really be irritating to the stomach. If a large amount was eaten then I would be a little worried about Jake developing a stomach ulcer.

At this point it's probably ok to just keep an eye on Jake. An over the counter medicine which is safe to give and may help to settle his stomach is Pepcid AC (Famotidine). A dog Jake's size (25lbs) can have 1/2 a tablet (i.e. 5mg) once every 12 hours.

Here are some signs that would make me more concerned and would make me want to take him to the emergency vet:

  • If you are seeing black flecks in the vomit. This can be a sign of a stomach ulcer.

  • Similarly, if you are seeing black, tarry stools.

  • If he vomits several more times tonight.

  • If he doesn't want to eat in the morning.

  • If your gut is just telling you that something is not right.


I hope he does ok!

Dr. Marie.



Customer reply:

Thank you very much for the information. My husband is so in the dog house for not reading the warnings on the bag. I will keep Jake under observation.

Best Regards,

Barbara and Jake Hatfield


Online vet, Dr. Marie

Dr. Marie replied:

You're very welcome! I'm sure he will be fine! The dog, that is... we'll see about your husband. :)



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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.