There is debate about whether the cause is physical or neurological, a question that requires further study. While some speculate about a direct correlation to high anxiety and stress or the concept that<unk>  is purely psychological, there is only anecdotal evidence of either proposed cause.
Catathrenia
Orthostatic hypertension
Cinchonism
Labile hypertension
Paroxysmal hypertension
Hypertensive urgency
Benign hypertension
Silent sinus syndrome