BRAND NAME(S): Cardura. USES: Doxazosin is used alone or with other drugs to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems.
DEFINITION of 'ARM Index'. The benchmark interest rate to which an adjustable rate mortgage is tied. An adjustable rate mortgage's interest rate consists of an index value plus a margin. The index underlying the adjustable rate mortgage is variable, while the margin is constant. There are several popular indexes used for different types of adjustable rate mortgages. This is also referred to as the fully indexed interest rate.
What is a 'Cap'. The highest point to which an adjustable rate mortgage (ARM) can rise in a given time period or the highest rate that investors can receive on a floating-rate type bond. The issuer typically sets the cap at the time the contract is issued. With an ARM, it is detailed in the terms of the mortgage document.