Well if you know that these spells are in documents that you claim to be 2000 years old then I would assume that you have seen these documents and know that these spells in fact work. So why are you asking random strangers for such spells?
There are a number of ways of treating epilepsy that don't rely on the use of magic. Medications are only one of those ways. You might want to consider further investigation of medical means before you start using spells provided by people who may or may not know what they are talking about.