What types of headaches are associated with Chiari I malformation
Headache is the dominant feature associated with Chiari I malformation and is typically occipital with radiation to the vertex and retro-orbital or to the neck and shoulders.
It is frequently triggered by physical activity, Valsalva, coughing, laughing, or change of body position, with a duration ranging from a few minutes to chronic. Most patients become symptomatic during the second or third decade of life, with a mean age of symptom onset of 24.9 ± 15.8 years.