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West's Syndrome

If your child has recently been diagnosed, support and information are available to help you and your family navigate next steps.

West's syndrome is a rare form of epilepsy that affects infants, typically between 3 and 12 months of age. A diagnosis can feel overwhelming, but with the right care and the right people by your side, many families find a path forward.

Baby receiving gentle care from a doctor

What is West's Syndrome?

West's syndrome - sometimes called infantile spasms - is a rare, serious form of epilepsy that begins in the first year of life. It is characterised by brief, repetitive muscle spasms, changes in brain activity seen on EEG and in many cases, a slowing or regression of development.

No two children experience it the same way and it can have many different underlying causes - from genetic conditions to structural differences in the brain, to causes that cannot yet be identified.

What is consistent is this: early recognition matters.

When to Seek Urgent Help

If you are seeing sudden, repetitive jerking movements in your infant - especially in clusters shortly after waking - please contact your paediatrician or emergency services without delay. Early action makes a real difference.

SIGNS & SYMPTOMS

What to Look For

As a parent, trusting your instincts is important. These are the signs that warrant an urgent conversation with your doctor.

Infantile Spasms

Sudden, brief jerking or stiffening movements - often of the head, arms and legs together. These typically occur in clusters of 5–10 episodes and are most common just after your baby wakes up.

Changes in Development

You may notice your baby seems less responsive, has stopped smiling or appears to have lost skills they had recently gained. This regression is one of the defining features of West's syndrome.

Unusual Stillness or Blank Staring

Between or around spasm episodes, your baby may seem to suddenly go very still, stare blankly or appear briefly unresponsive. These moments can be easy to miss or dismiss, but are worth noting and reporting to your doctor.

There Are Treatments That Can Help

West's syndrome is challenging to treat, but there are established therapies. Your child's neurologist will work with you to find the right approach.

First-Line Treatments

Vigabatrin (Kigabeq®) is an antiepileptic medication specifically indicated for infantile spasms. It works by increasing the brain's natural inhibitory signals (GABA) and is particularly effective when West's syndrome is caused by tuberous sclerosis. Regular eye monitoring is required during treatment.

ACTH (hormone therapy) is another well-established option, administered by injection and often highly effective at stopping spasms. It is usually started in hospital so your child can be closely monitored.

Learn More About Kigabeq®

Wider Support for Your Child

Medication is one part of the picture. Many families find that early intervention services - physical therapy, occupational therapy and speech therapy - play a vital role in supporting their child's development alongside medical treatment.

Your care team can connect you with the right services. A multidisciplinary approach, with neurologists, developmental specialists and therapists working together, gives children the broadest possible support.

Patient Support and Community

Patient associations and support groups are available for families of children living with West's syndrome. These organisations provide information and may offer opportunities to connect with others who have experience of the condition.

Infantile Spasms Action Network (ISAN)

Families helping families - a community built by parents who truly understand what you are going through

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Epilepsy Foundation

A trusted source of support, information and connection for families living with epilepsy

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Child Neurology Foundation

Connecting families with specialists, resources and a community that cares

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European Paediatric Neurology Society (EPNS)

Advancing the best possible care for children with neurological conditions across Europe

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What Happens Next

After a diagnosis, the path forward can feel uncertain. Here are some gentle steps that tend to help.

  1. Lean on your care team

    Your neurologist and paediatrician are your most important allies. Don't hesitate to ask questions - no question is too small and understanding your child's condition helps you feel more in control.

  2. Keep a simple record

    A brief note of when spasms occur, how long they last and what they look like helps your doctor track progress and adjust treatment. A short video can also be invaluable at appointments.

  3. Connect with other families

    Parents who have been through this understand in ways others cannot. Support groups - online or in person - can offer comfort, practical advice and the reassurance that others have found a way through.

  4. Take care of yourself too

    You cannot pour from an empty cup. Seeking help, whether from family, counselling or respite care, is not a sign of weakness - it is how you stay strong for your child.

We Are Here to Help

Whether you are a parent looking for answers or a clinician seeking information, our team is ready to support you.

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