<unk>  is thought to result from a loss of cerebrospinal fluid into the epidural space. A decreased hydrostatic pressure in the subarachnoid space then leads to traction to the meninges with associated symptoms.
Post-dural-puncture headache
External compression headache
Acephalgic migraine
Mixed tension migraine
Cold-stimulus headache
Tension headache
Red wine headache
Lupus headache