Are there any long term trials focused on blood pressure medications?

Q: Is there any danger in taking BP drugs such as DOXAZOSIN on a long term basis? Have there been any clinical studies on it?

A: In order to be approved for use by the Food and Drug Administration (FDA), drugs have to undergo clinical studies that show benefits that outweigh the risk of taking a medication. Drugs used to treat high blood pressure, such as Doxazosin or Cardura, are commonly associated with side-effects. For more information click here. This is an excellent easily searchable website created by The Nation Library of Medicine and the National Institutes of Health.