vascular headaches/potassium

Headaches may occur in as many as 25% of hypertensive patients and generally bears little relationship to level of diastolic blood pressure. Previous observations, in normotensive patients, suggested that abnormalities in both potassium and ammonia metabolism might be related to the pathogenesis of

A conceptual approach that relates vascular headaches, bowel and bladder dysfunction to abnormalities of the "ammonia potassium axis" is presented. Hypokalemia alters smooth muscle function of both the bowel and bladder and results in the elaboration of an alkaline urine. The occurrence of an

To better understand and treat painful conditions, one needs to identify the cause, discover the source, and develop knowledge of peripheral and central pain transmission; headaches are no exception. The development of appropriate animal models is important. Accordingly, we have reviewed the