Ask the doctor. After 10 years of successfully keeping my high blood pressure under control, I am now afflicted with periods of low blood pressure. Sometimes when I get up in the morning, it is under 100/50. What could be causing this?
D001795:Blood Pressure Determination / Q000379:methods*; D006801:Humans; D006973:Hypertension / Q000628:therapy*; D007022:Hypotension / Q000209:etiology*