both of my dogs, alex the wonder dog and angel duke have/had epilepsy. duke was an infrequent seizer, only 4 times in the 18 months i had him. however, he'd lose his bowel and bladder control, his was a bit messier, but a bath and floor mop and it was fine again. duke was on once daily meds.
alex on the other paw is much more difficult. he's on 3 meds, phenobarbitol and potassium bromide for the epilepsy and on thyroid meds for his low thyroid (which might be from the phenobarb or be the cause of the seizures...there is no real way to tell at this point) twice a day. alex is soon to be 8, and has had seizures since he was 13 months old. i thought i would lose him when he was 2 years old. the most helpful web resource for epi- dogs is www.canine-epilepsy.com, come join us. the support and knowledge i've gained there has kept my sweet puppy alive.
epilepsy is not a death sentence, just a medical condition.