Primary headache | Secondary headache | ||
---|---|---|---|
Type | Prevalence (%) | Type | Prevalence (%) |
*After data from Rassmussen.22 | |||
Migraine | 16 | Systemic infection | 63 |
Tension type | 69 | Head injury | 4 |
Cluster headache | 0.1 | Subarachnoid haemorrhage | <1 |
Idiopathic stabbing | 2 | Vascular disorders | 1 |
Exertional | 1 | Brain tumour | 0.1 |