Orthostatic headache, or headache that is worse when upright, is a key feature of intracranial hypotension due to spinal CSF leak, but is also a common feature in patients with postural orthostatic tachycardia syndrome (POTS). Getting the correct diagnosis is important to target treatment appropriately. In practice we see patients misdiagnosed with one or … Continue reading POTS, spinal CSF leak or BOTH?