Epilepsy and Down Syndrome: What Every Parent Should Know

What Is Epilepsy?

Epilepsy is a neurological condition that causes repeated, unprovoked seizures - sudden bursts of electrical activity in the brain that temporarily affect how a person moves, feels, or responds.

There are many different types of seizures. Some involve shaking or stiffness, while others are brief “staring spells” or subtle changes in behaviour or awareness.

A single seizure doesn’t necessarily mean someone has epilepsy - diagnosis usually requires two or more unprovoked seizures, and a doctor’s careful assessment of symptoms, medical history, and sometimes brain imaging or EEG (electroencephalogram) results.

📊 How Common Is Epilepsy in Down Syndrome?

Epilepsy is more common in people with Down syndrome than in the general population, but the likelihood depends on age and other factors.

In typically developing children, epilepsy affects about 1% of the population. In individuals with Down syndrome, studies estimate the rate is between 1% and 13% - and higher in certain subgroups.

There are two peaks when epilepsy is most likely to appear in people with Down syndrome:

• Infancy and early childhood, often linked to specific developmental syndromes (like infantile spasms).
• Adulthood, particularly in older adults who develop Alzheimer’s disease, which is more common in people with Down syndrome.

 Most children with Down syndrome do not develop epilepsy, but understanding the signs can help parents act quickly and confidently if something unusual happens.

⚠️ Common Types of Seizures Seen in Down Syndrome

Seizures can look very different depending on the type. Here are some that may appear in children with Down syndrome:

1. Infantile Spasms (West Syndrome)

• Usually begin between 3 and 12 months of age.
• Appear as quick, repeated jerks or stiffening of the body — often when the baby wakes up or is falling asleep.
• The child may bend forward, raise their arms, or briefly roll their eyes upward.
• These can happen in clusters and last only seconds.

 Infantile spasms require urgent medical attention, as early treatment can significantly improve outcomes.

2. Focal (Partial) Seizures

• Affect only one part of the brain.
• The child may stare blankly, make repetitive movements (like lip-smacking or hand twitching), or seem momentarily “out of it.”
• Awareness might be preserved or impaired.

3. Generalized Tonic-Clonic Seizures

• Affect the whole brain.
• Often involve stiffening (tonic phase), followed by jerking movements (clonic phase).
• The child may lose consciousness, fall, or be very tired afterward.

4. Absence Seizures

Brief “blank stares” that last only a few seconds. Often mistaken for daydreaming or inattention. The child might stop what they’re doing, blink rapidly, and then carry on as if nothing happened. If you notice repeated, unexplained movements, staring spells, or behavioural changes, it’s worth bringing them up with your child’s doctor, even if they seem brief or subtle.

🩺 What Causes Epilepsy in Down Syndrome?

Epilepsy in Down syndrome can be linked to several factors:

• Differences in brain structure and development that affect electrical activity.
• Coexisting medical conditions, like congenital heart defects, thyroid problems, or sleep apnoea, which can influence brain function.
• Certain genetic patterns associated with Down syndrome that may increase seizure risk.
• Neurodegenerative changes in adulthood (such as Alzheimer’s-related changes in the brain).

 In many cases, the exact cause isn’t clear — but what matters most is identifying the seizure type early and finding the right treatment plan.

🚨 What To Do If Your Child Has a Seizure

Seeing your child have a seizure can be frightening. The most important thing is to stay calm and keep your child safe.

Here’s what to do:

During a seizure:

• Lay your child on their side to help keep their airway clear.
• Move nearby objects away to prevent injury.
• Do not put anything in their mouth — they cannot swallow their tongue, and objects can cause harm.
• Time the seizure.
• If it lasts more than 5 minutes, call emergency services immediately.
• Stay with your child until they are fully awake and alert.

After the seizure:

• Your child may be tired, confused, or want to sleep — this is called the “postictal” phase.
• Let them rest in a safe, quiet space.
• Take note of what happened: what it looked like, how long it lasted, and any possible triggers.

This information will help your doctor. If your child has repeated seizures, a first seizure lasting more than 5 minutes, or difficulty breathing, seek medical attention right away.

💊 Treatment and Management

Epilepsy is treatable, and many children respond very well to medication.

Treatment typically includes:

• Anti-seizure medication (anticonvulsants) prescribed based on seizure type and age.
• Regular monitoring with a neurologist or paediatrician to adjust dosage or assess side effects.
• Lifestyle and safety adjustments, like avoiding sleep deprivation, managing stress, and ensuring supervision during water activities

 In some cases, dietary therapies (like the ketogenic diet) or surgical options may be considered — but these are less common and depend on the individual situation.

Your child’s care team, which may include a paediatrician, neurologist, and speech or occupational therapist, can work together to ensure epilepsy management fits into your child’s broader developmental plan.

Supporting Your Child and FamilyEpilepsy can bring uncertainty, but you’re not alone. Many families of children with Down syndrome and epilepsy find that once treatment begins, seizures become less frequent and easier to manage.


Here are a few tips for daily life:

• Learn seizure first aid — it helps you respond quickly and calmly.
• Share information with caregivers and teachers so everyone knows what to do if a seizure happens.
• Keep a seizure diary — track patterns, triggers, or medication responses.
• Celebrate progress — every seizure-free day, every new word, every small victory counts.

 And don’t hesitate to seek emotional support. Joining a Down syndrome or epilepsy support group can make a world of difference — connecting you with parents who truly understand.

Key Takeaway

While epilepsy is more common in children with Down syndrome, it’s also manageable with the right care and support. Recognizing the signs early, staying calm during seizures, and partnering closely with your child’s medical team can help your little one stay safe, healthy, and thriving.

Remember: Down syndrome and epilepsy do not define your child, they’re just part of their journey. With love, awareness, and medical guidance, your child can live a full, joyful, and bright life. 💛