The EUROLIGHT project: what we need to know about interictal burden and cluster headache


  • Interictal burden (IIB) is greater in people with chronic cluster headache (CH) than in people with episodic CH highlighting that the suffering does not end when pain subsides for people with chronic CH.

Why this matters

    Understanding the relationship between IIB and episodic CH, as well as chronic CH, is important in identifying and targeting symptoms before irreversible accumulation of burden later in life.

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