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08/01/2005 02:21:10 PM · #1
On another thread, I posted that grapes can be poisonous for dogs and it was a surprise for many people. Knowing how many doggie people are on DPC, I thought it might be useful to alert more dog owners to this. Below is part of an article from a toxicology and dogs site.

The grapes and raisins came from varied sources, including being eaten off the vine directly. The dogs exhibited gastrointestinal signs including vomiting and diarrhea and then signs of kidney failure with an onset of severe kidney signs starting about 24 hours after ingestion of the grapes or raisins. The amount of grapes eaten varied between 9oz. and 2 lbs., which worked out to be between 0.41 and 1.1 oz/kg of body weight. Two dogs died directly from the toxicity, three were euthanized due to poor response to treatment and five dogs lived. Due to the severity of the signs and the potential for death, the veterinarians at the poison control center advocate aggressive treatment for any dogs suggested of ingesting excessive amounts of grapes or raisins, including inducing vomiting, stomach lavage (stomach pumping) and administration of activated charcoal, followed by intravenous fluid therapy for at least 48 hours or as indicated based on the results of blood tests for kidney damage.

I have fed my dogs a few grapes every now and then for years, so I don't think there is a need to panic if a dog eats three or four grapes but if the whole bunch is missing from the table one day, it would be good to think about watching for any signs of a toxic reaction.


Chocolate is another poison but I think more people know about this.

Hope this is useful to someone!

Regards

Pauline
08/01/2005 02:23:13 PM · #2
I've heard of chocolate, but never the grapes. Thanks.
08/01/2005 02:32:22 PM · #3
and onions too!

Onions and garlic are other dangerous food ingredients that cause sickness in dogs, cats and also livestock. Onions and garlic contain the toxic ingredient thiosulphate. Onions are more of a danger.

Pets affected by onion toxicity will develop haemolytic anaemia, where the pet’s red blood cells burst while circulating in its body.

At first, pets affected by onion poisoning show gastroenteritis with vomiting and diarrhoea. They will show no interest in food and will be dull and weak. The red pigment from the burst blood cells appears in an affected animal’s urine and it becomes breathless. The breathlessness occurs because the red blood cells that carry oxygen through the body are reduced in number.

The poisoning occurs a few days after the pet has eaten the onion. All forms of onion can be a problem including dehydrated onions, raw onions, cooked onions and table scraps containing cooked onions and/or garlic. Left over pizza, Chinese dishes and commercial baby food containing onion, sometimes fed as a supplement to young pets, can cause illness.

Onion poisoning can occur with a single ingestion of large quantities or with repeated meals containing small amounts of onion. A single meal of 600 to 800 grams of raw onion can be dangerous whereas a ten-kilogram dog, fed 150 grams of onion for several days, is also likely to develop anaemia. The condition improves once the dog is prevented from eating any further onion

While garlic also contains the toxic ingredient thiosulphate, it seems that garlic is less toxic and large amounts would need to be eaten to cause illness.


Message edited by author 2005-08-01 14:33:37.
08/01/2005 02:50:21 PM · #4
Cigarettes too.
08/01/2005 03:04:05 PM · #5
thanks for the info, people! I knew about chocolate before, but never thought, that grapes or onions were toxic to dogs too.
08/01/2005 03:05:19 PM · #6
Snopes says it's true. But our Dalmation Loved grapes..
08/01/2005 03:16:53 PM · #7
Originally posted by BlackDot:

Snopes says it's true. But our Dalmation Loved grapes..


I notice you used the past tense!
:)
P
08/01/2005 03:16:55 PM · #8
My Bichon love raisins, but I don't think he would ever eat 2lbs. of the things. He has on one occasion eaten about a pound of chocolate with no ill affects. (We are talking about a 12 pound dog.)
08/01/2005 03:20:04 PM · #9
Originally posted by nsbca7:

My Bichon love raisins, but I don't think he would ever eat 2lbs. of the things. He has on one occasion eaten about a pound of chocolate with no ill affects. (We are talking about a 12 pound dog.)


A friend of ours had a cocker spaniel that got into the larder and ate a tub of raisins. It took emergency treatment and a huge vet's bill to save it. If your dogs are anything like mine, they would eat them if they got the opportunity!
P
08/01/2005 03:26:34 PM · #10
I heard Cigarettes were toxic to humans too :)
08/01/2005 03:39:27 PM · #11
Originally posted by CalliopeKel:

I heard Cigarettes were toxic to humans too :)


How true!

Cigarettes are toxic to animals if consumed, and I believe they are also deadly if consumed by humans as well. Pretty scary considering my little brother had a childhood habit of digging them out of the ashtray and sticking them in his mouth, Yuck!
08/01/2005 03:48:24 PM · #12
Originally posted by EvilMonkey:

and onions too!

My two dogs love eating onions and tomatoes, and nothing has ever happened to them!

Ahhh, by the way, both of 'em love spaguetti (is that how u spell it?) as well!
08/01/2005 03:56:45 PM · #13
Originally posted by scuds:

Originally posted by EvilMonkey:

and onions too!

My two dogs love eating onions and tomatoes, and nothing has ever happened to them!

Ahhh, by the way, both of 'em love spaguetti (is that how u spell it?) as well!


I agree MY dogs love them but it doesn't mean they are good for them! My labrador and Briard will eat anything including spaghetti but knowing certain foods could be toxic I am very aware of what I give them.

So I am glad your dogs are OK but it doesn't change the facts these items are toxic so it's up to you. I just wanted to warn people!

P
08/01/2005 04:00:48 PM · #14
Originally posted by scuds:

My two dogs love eating onions and tomatoes, and nothing has ever happened to them!

It doesn't change the fact that it's bad for them. Dogs don't know what has toxins and what doesn't - so it's up to you to be aware of what you are feeding them. They may not show any signs or reactions now, but it could cause problems later in their life. It's really much better not to give them human food.

Having said that, our dogs get a handful of carrots every day for their treat and the vet said it's great! The only other treat they are allowed is ice cubes.
08/01/2005 04:46:35 PM · #15
Carrots are great as treats for dogs and much cheaper than biscuits! If anyone one has a young pup, start them on these as a reward. Most dogs seem to like them ( except my labrador!)
:)
P
08/01/2005 04:54:22 PM · #16
Well, the oldest one has been eating it (not on a regular basis) for 8 yeas already, and she's still kicking good!
The younger one is almost 6, and it's always been the same.
I mean, they don't eat it very often, or either on large quantities, they get a piece here and there, on saturdays, for example, which is the spaguetti day :-D.
When I make my own subs, there are always some onion left overs, and they do get sum, and love it! They also eat carrots, tomatoes, green leaves, some fruit (like banana, apple, an' stuff)! Oldest once once devoured a whole chocolate bar. Not a single symptom on her!
Some1 mentioned cigarretes. It's like my friend's grandpa: he knew those were bad for him, but he used to have like 2 packs a day, since he was 14 (according to himself) and died at age 98! Who knows! That doesn't mean I'm givin' cigs to them hehe, but I don't think that a little onion would do them harm, at this stage, and after all those years.
08/01/2005 05:08:07 PM · #17
Wow... I had no idea grapes/raisins were hard on dogs -- or onions either for that matter. I give my dog raisin treats when we're on the trail, but not a whole bunch, and he's 50lbs.

There was the occasion when he was a pup and managed to get a full box of Ding Dongs off the counter. When I got home, there was about half left -- half of the box that is. No Ding Dongs, and no aluminum foil in sight. (I got the aluminum foil back a couple days later -- it wasn't so shiny anymore). But the dog never seemed to get sick over it. So that made me wonder if chocolate is really that bad for a dog... or on the other hand.. what Ding Dongs are made of.

He then got into a little vial of paint that I also had on the counter. Here's a shot of what my kitchen looked like when I got home. I figure he got hopped up on the Ding Dongs, and this was the result.



Brian
08/01/2005 05:16:35 PM · #18
Originally posted by ourwebstop:

He then got into a little vial of paint that I also had on the counter. Here's a shot of what my kitchen looked like when I got home. I figure he got hopped up on the Ding Dongs, and this was the result.



Brian


HAHAHAHAHAHAH that's hillarious! He seems proud of the paint job! LoL
My dogs do that to toilet paper rolls, and they always love to sit there at the bathroom waiting for some1 to go check their "work of art".
08/01/2005 05:24:31 PM · #19
Love the paint job!

My Briard is in the vets at the moment after having a sock removed from her intestines - nearly lost her through it! And a huge vet's bill, so maybe I should add socks to the list!
The labrador seems to be able to stomach anything she eats and just passes it through (including whole socks!) but poor old Penny couldn't cope! :)))

I do agree that most times you can get away with the odd bit of chocolate or grape but the long term effects could be different and you just never know if it will affect them.
P
08/01/2005 06:08:37 PM · #20
Originally posted by ourwebstop:




Brian


that dog looks like he just committed a heinous crime w/ no remorse

Message edited by author 2005-08-01 18:09:26.
08/01/2005 06:32:54 PM · #21
I hope you beat him like you would a difficult child...

I am of course.. joking.
08/01/2005 06:43:18 PM · #22
OMG!!! Thats hysterical!!

12/05/2008 06:44:23 PM · #23
Dont be misled if the dog has or seems to have to reaction to his sickness. My beloved rottweiler once got into almost a whole vial of painkillers and I didnt think it was him until the day after he first ate them. I had 2 dogs at the time, and the rotti was on pain meds from being gashed by a neighbors male dog. I forgot to close the cap on it and when I noticed it first I immediately thought my other dog, the younger of the two got into it, so we rushed her to emergency and got her stomach pumped... all the while the rotti was really the one who was sick. It became apparent the 2nd day when he started shaking/rocking and had dilated pupils... Very scary... Not to mention the vet bill, so be aware!! With the stomach pumps + the original bill for the dog bite.... almost 2500 CDN and a very scary weekend.

Also I didnt know dogs were allergic to so many things, thank you for the insight!!
12/05/2008 07:00:44 PM · #24
Dogs (and cats) and Chocolate

From wikipedia entry theobromine
Animals

The amount of theobromine found in chocolate is small enough that it can be safely consumed by humans, but animals that metabolize theobromine more slowly, such as dogs, can succumb to theobromine poisoning from as little as 50 grams of chocolate for a smaller dog and 400 grams for an average-sized dog. The same risk is reported for cats as well, although cats are less likely to ingest sweet food, having no sweet taste receptors. Complications include digestive issues, dehydration, excitability, and a slow heart rate. Later stages of theobromine poisoning include epileptic-like seizures and death. If caught early on, theobromine poisoning is treatable.[36] Although not usual, the effects of theobromine poisoning, as stated, can become fatal.

So some chocolates have more theobromine in it than others. Dark chocolate and cocoa are more potent.

edit to add: A little more info. list of other toxins.

Message edited by author 2008-12-05 19:04:30.
12/05/2008 07:05:50 PM · #25
Thank you for this thread! We have both a cat and dogs and had no idea that such things were toxic. We knew about the chocolate, but onions?

Btw if it hasn't been mentioned I've heard it is toxic for dogs to eat cat food, and viceversa. Something about cats food containing something called ash, and it can cause blindness in dogs. On the other hand cats require the ash for their livers or kidneys to function and without enough of it in their diet can die.
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