Juvenile Myoclonic Epilepsy (Janz Syndrome) Quiz

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Reviewed By:

Unnati Patel, MD, MSc

Unnati Patel, MD, MSc (Family Medicine)

Dr.Patel serves as Center Medical Director and a Primary Care Physician at Oak Street Health in Arizona. She graduated from the Zhejiang University School of Medicine prior to working in clinical research focused on preventive medicine at the University of Illinois and the University of Nevada. Dr. Patel earned her MSc in Global Health from Georgetown University, during which she worked with the WHO in Sierra Leone and Save the Children in Washington, D.C. She went on to complete her Family Medicine residency in Chicago at Norwegian American Hospital before completing a fellowship in Leadership in Value-based Care in conjunction with the Northwestern University Kellogg School of Management, where she earned her MBA. Dr. Patel’s interests include health tech and teaching medical students and she currently serves as Clinical Associate Professor at the University of Arizona School of Medicine.

Shohei Harase, MD

Shohei Harase, MD (Neurology)

Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.

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Content updated on Jan 30, 2024

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Limb spasms on one side in the morning when waking up

Faint when I lack of sleep

Syncope when I drink alcohol

Right hand and leg jerks when I am about to wake up

Right hand and leg jerks for a while after I wake up

Limb spasms on one side especially just after I wake up

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What is Juvenile Myoclonic Epilepsy (Janz Syndrome)?

Juvenile myoclonic epilepsy (Janz syndrome) is an epilepsy syndrome marked by the presence of absence, myoclonic, and generalized tonic-clonic (GTC) seizures. All patients with JME have myoclonic seizures, 85%-90% of patients have generalized tonic-clonic seizures, and about 20-40% of patients have absence seizures. These often happen when people first wake up in the morning. The exact cause is unknown, but a family history of epilepsy or gene mutations may sometimes be connected to the condition.

Typical Symptoms of Juvenile Myoclonic Epilepsy (Janz Syndrome)

Diagnostic Questions for Juvenile Myoclonic Epilepsy (Janz Syndrome)

Your doctor may ask these questions to check for this disease:

  • Do your limbs jerk upon waking up?
  • Do you black out when drinking alcohol or hungover?
  • Can lack of sleep cause loss of consciousness?

Treatment of Juvenile Myoclonic Epilepsy (Janz Syndrome)

Juvenile myoclonic epilepsy (Janz syndrome) is typically well managed with medications for seizures. Most patients don't outgrow their seizures and will need to take medication for the rest of their lives. Getting enough sleep, avoiding alcohol, fatigue and anxiety can help lower the chances of seizures.

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Symptoms related to Juvenile Myoclonic Epilepsy (Janz Syndrome)

Diseases related to Juvenile Myoclonic Epilepsy (Janz Syndrome)

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This symptom checker site is a great resource to either get an idea of what is happening inside your body or even get a second opinion without incurring another huge bill. It also provides a way to connect with a professional if needed. I really enjoy this site.

Aug 30, 2024 (Female, 40s)

Reviewed By:

Unnati Patel, MD, MSc

Unnati Patel, MD, MSc (Family Medicine)

Dr.Patel serves as Center Medical Director and a Primary Care Physician at Oak Street Health in Arizona. She graduated from the Zhejiang University School of Medicine prior to working in clinical research focused on preventive medicine at the University of Illinois and the University of Nevada. Dr. Patel earned her MSc in Global Health from Georgetown University, during which she worked with the WHO in Sierra Leone and Save the Children in Washington, D.C. She went on to complete her Family Medicine residency in Chicago at Norwegian American Hospital before completing a fellowship in Leadership in Value-based Care in conjunction with the Northwestern University Kellogg School of Management, where she earned her MBA. Dr. Patel’s interests include health tech and teaching medical students and she currently serves as Clinical Associate Professor at the University of Arizona School of Medicine.

Shohei Harase, MD

Shohei Harase, MD (Neurology)

Dr. Harase spent his junior and senior high school years in Finland and the U.S. After graduating from the University of Washington (Bachelor of Science, Molecular and Cellular Biology), he worked for Apple Japan Inc. before entering the University of the Ryukyus School of Medicine. He completed his residency at Okinawa Prefectural Chubu Hospital, where he received the Best Resident Award in 2016 and 2017. In 2021, he joined the Department of Cerebrovascular Medicine at the National Cerebral and Cardiovascular Center, specializing in hyperacute stroke.

From our team of 50+ doctors

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