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About Infantile Spasms
Infantile spasms (IS) is a rare and specific type of seizure disorder that is also called West syndrome. IS usually begins within the first year of life. Children with IS typically have:
- A specific type of seizure (called spasms)
- A chaotic brain-wave pattern called hypsarrhythmia (hips-a-rith-me-ya)
The spasms are described as sudden, uncontrolled movements of the neck, body, arms, and legs that last only for a few seconds.
Diagnosing and Finding the Cause of Infantile Spasms
The cause of IS can affect the type of treatment your child receives. The cause of IS also can influence your child’s development. No matter what the cause may be, it is important to find and treat IS as quickly and effectively as possible.
Treating Infantile Spasms
If children are thought to have IS, they may be sent to an epilepsy center to be diagnosed. Once infantile spasms is confirmed, treatment should be started as soon as possible. The American Academy of Neurology and Child Neurology Society specify that successful treatment must stop both spasms and hypsarrhythmia.
Acthar is one clinically proven therapy that has been shown to stop spasms and hypsarrhythmia.
Acthar Parent & Caregiver Resources and Support
Questcor offers a wide range of resources to physicians and families with a child with IS, ranging from educational brochures to instructional injection videos. Learn how Questcor can help families affected by IS with medical information, patient advocacy, and more.
Acthar Support & Access Program
Learn how Questcor can help families affected by IS get Acthar for their children quickly, get insurance questions answered, and get assistance if they are uninsured or underinsured.
Infantile Spasms Parent & Caregiver Resources
Find other resources about IS.






