[aj55]

My 9 month old lab threw up a good sized rock in the middle of the night. He seems to be fine now but should I be concerned about anything internal that may have been hurt?

[labman]

If he isn't showing any other signs of distress, likely it didn't hurt anything. Keep an eye on him. Anything much different from usual and call the vet. Dark, tarry stools is a sure sign of internal bleeding and would mean call the vet.

I have seen an exhibit of things surgically removed for dogs at the dog guide school clinic. The collection includes several rocks. At a talk last summer, we were warned not to let the dogs eat bottle caps. The sharp edges will cut up their insides.

[fredg]

Hi,
Just to reassure you, it's probably OK. Dogs will "eat" most anything, and as said, if not sharp, should be no problem.
My neighbors Husky ate a wrench,. small one. Amazingly enough, he threw it up the next day.