Alcohol is not a known cause of dog seizures, but I wouldn't be surprised if it could trigger them. Dog seizures can be caused by certain food and toxins, and alcohol may be toxic to some dogs.
Yes a dog can have seizures from allergies
My dog had seizures before she passed. In animals it can be common. But if these seizures Increase, I would recommend a vet
Yes.
Any dog can have a seizure.
Only under very rare conditions.
Your best bet will be to ask your vet.
No.
Yes, as it can counteract medication and/ or put stress on the body.
Seizures can happen anytime and unexpectedly. It is best to keep a log and tell your veterinarian when they happen.
If you have any medication for seizures, you should give it to your dog. And it not, you should call the vet right away.
What is the diagnosis of why your dog is having seizures?
Yes, he can also get a heart attack.