Because it doesn't belong in them.
Your dog is very sick; take him or her to the vet ASAP.
This dog sounds sick. Please take this dog to a vet.
Microfilaria is a form of heart worm. If your dog is heart worm positive and the worm is not surgically removed the dog will die from it. Microfilaria clogs up the blood vessels in the heart and cause the dog to just collapse one day from heart failure.
He may be sick. You should call your vet for advice.
5 min.
Uhh... yeah I would take your dog to the vet...
If your dog has been throwing up and has had diarhea for a few days, you need to contact your vet immediately, or get the dog to a vet immediately.
Call your vet for advice.
No. If your dog is throwing up worms, then you need to take it to a vet ASAP.
i would take your dog to the vet, just incase somethink is wrong with him/her.
You need to at least call a veterinarian and ask them if they think your dog needs to be seen by them.
Yes, dogs can throw up. They throw up if they drink to much water, eat something that's not suppose to be eaten, or sometimes Labs can have "turn." If this happens you should take your dog to the vet.