For most adults, no. Epilepsy is not inherently progressive, and the majority become seizure-free on medication. Control can change in either direction over the years, so a period of more frequent seizures usually points to something modifiable rather than to the condition itself advancing.
For most adults, no. Epilepsy is not inherently progressive, and the majority become seizure-free on medication. Control can change in either direction over the years, so a period of more frequent seizures usually points to something modifiable rather than to the condition itself advancing.
Epilepsy is not one disease. It is a tendency to recurrent unprovoked seizures, arising from many different causes, and in most adult syndromes the underlying abnormality is static. A scar from an old head injury or stroke does not enlarge. A cortical malformation present since development does not advance. What changes over time is seizure control, which reflects how well the treatment fits the syndrome, and that is a different thing from the epilepsy worsening. Most people who become seizure-free do so on the first or second medication tried.
Drug-resistant epilepsy is defined as failure of two appropriately chosen, adequately trialled and tolerated medications to achieve sustained seizure freedom. It affects a significant minority, and reaching that definition is the point at which the plan should change rather than a third and fourth drug being added in sequence. Separately, a small number of people have seizures caused by something genuinely progressive, such as a tumour or a neurodegenerative condition, and in those cases worsening reflects the underlying cause.
Before concluding that the epilepsy has changed, the ordinary explanations are worth excluding, and they account for most episodes of lost control. Missed or late doses, including from a change of pharmacy or formulation. Sleep deprivation. Alcohol. A new medicine that interacts with the anti-seizure drug, which is common and easy to miss. Intercurrent illness or fever. Hormonal changes across the menstrual cycle. Repeat EEG, and ambulatory EEG where events are infrequent, help establish what is actually happening; both are performed in the office.
Once two appropriate medications have failed, referral for evaluation at a specialist centre is the evidence-based step, because some people are candidates for treatment that medication cannot match. Surgical evaluation, responsive or vagus nerve stimulation, and dietary therapy are all handled at centres equipped for them. This practice performs no surgery and does not implant devices; what it does is recognise drug resistance promptly, make the referral, and continue the medical management alongside for adults 18 and older.
Clinical Neurology Specialists has been physician-owned since 1998, when Leo Germin, M.D., FAANEM founded it. Five board-certified neurologists and four advanced practice providers see patients at the Las Vegas and Henderson offices, each with its own AANEM-accredited electrodiagnostic laboratory.
Clinical Neurology Specialists is an adult outpatient neurology practice for patients 18 and older. The practice performs no surgery and operates no imaging suite, infusion suite or interventional pain programme, and provides no emergency or inpatient care.
Physician-reviewed. Reviewed by the physicians of Clinical Neurology Specialists — board-certified neurologists, AANEM-accredited electrodiagnostic laboratories, physician-owned since 1998. Reviewed 1 August 2026. This article is general education for adults 18 and older and is not a substitute for a consultation.
Sources and further reading: MedlinePlus: epilepsy; National Institute of Neurological Disorders and Stroke; American Academy of Neurology.
Adults 18 and older, at the Las Vegas and Henderson offices. Call 702-804-1212 or request an appointment online.