Any input appreciated - vets not open yet, 7:15AM here.
My 12 wk old GSD pup ate a small white mushroom in our backyard, one I didn't know was there, they pop up overnight. I have no clue what kind of mushroom it is. I will watch him closely, but want to know if anyone thinks this is a concern. Haven't raised a pup in so long and when I did, it was never in a place where mushrooms sprouted. Thanks.

Obviously, watch the dog closely. But perhaps you can take a sample of the mushroom to a garden center to verify its species/genus, and then you will know for certain what type of mushroom this is, which grows (and likely will return) in your yard.

I do know it is common knowledge that "mushrooms are poisonous" however, I do know certain varieties that are poisonous, require ALOT of mushroom ingestion before toxic levels are obtained. SO....

Confirm what type of mushroom you have growing there.

A website vetinfor4dogs.com said to induce vomiting with hydrogen peroxide if dog ingested poisonous mushroom. Don't know if poisonous. Called vet emergency hospital, a vet tech first said to watch for signs of vomiting, lethargy, diarrhea. Told him what website said, he said "well, then do that" (induce vomiting)...I just gave him 1 hour ago 2 chicken wings, which I know one of which he didn't chew well, swallowed large pieces. What should I do? Induce vomiting with chick wings in him? Would this be dangerous, could he choke? Wait to see if he develops any symptoms before inducing vomiting?

Only one tiny piece of root/stem left and 2 tiny broken pieces of the mushroom cap. I'll try calling garden centers to see if they can tell anything (or KNOW anything) about the mushroom.

Yeah, a description *should* be able to help them in determining what you're looking at, as they should know what mushrooms are indiginous to the area.

Good luck, post when you know....

I had posted that I was taking him to the vet, but post didn't show up, prob cause I was in a rush and didn't hit "submit". I called vet's office at 8AM, they said to bring him in, so ran over there. Vet said inducing vomiting was beneficial up to 2 hours after pup ate mushroom (but by the time I waited for the vet, 2 hrs were almost up!). I told vet pup had just had 2 raw chick wings, bone intact, at 6:30AM and would that cause probs if vomiting up bones, vet said bones might get stuck in esophagus and cause more probs, so I opted not to do the vomiting thing. Very hard decision for me. Vet said symptoms of mushroom poisoning, if pup would have any symptoms, would show up between 6-8 hrs after eating it. We are in the 6th hour. I'm scared. I've been afraid to leave the pup to take mushroom pieces to garden center near me. When I called, was told there wasn't anyone there anyway that would be able to tell me if mushroom was poisonous, and now the pieces have dried up and discolored. I wish I had given the pup ground up meat for breakfast instead of chicken wings <img src="http://www.leerburg.com/ubbthreads/images/graemlins/frown.gif" alt="" />

I would ask the vet if an activated charcoal treatment would be effective in this situation... but it's been a while so I don't know how long after it's beneficial. My dog ate raisins, I induced vomiting with peroxide then the vet made him a big bowl of black tar looking mush that he ate entirely. They said he was the first dog they'd ever seen that voluntarily ate (and licked out) an entire bowl of black goop... usually its a messy process in which they force the dog to eat it.

Good luck!

http://www.pharmacy.arizona.edu/outreach/poison/plants.php

I found this link for you. Don't know if it will help you in this current circumstance, as I understand time is of the essence here (hope things are ok for you and your pup) but perhaps will help in future events and in identification of plants/mushrooms in your specific region.

Unless you are 100% knowledgable about mushrooms treat every case of mushroom ingestion as an emergency. Find an emergency Vet or wait outside your Vet's door until the office is open. Our hospital lost a perfectly healthy client last week because he ate a mushroom, or part of a mushroom, while on a leash walk with his owners. Hope all turned out well with your pup!

accurate mushroom identification is tricky even if you are a mycologist. some of them can't be positively identified unless a spore sample is taken first. are there other mushrooms in the yard like it? if so, take some to a botanist at a university and get them positively identified for future reference.

you can't identify them out of a book or by looking at pictures on the internet. i studied mycology at university, and when we went mushroom gathering, we ALWAYS took the mushrooms to the lab and had them OKed by the mycologist before eating them. some harmless mushrooms look just like some very poisonous ones.

i doubt a garden center would have anyone knowledgeable enough to help.