[Igetjumped123]

I found a round blue Pliva 664 or 654 pill and I have no idea what it is can I get some help finding out what it is

[Cats Meow]

The only thing I can find is round/green/Pliva 654 which is Doxazosin (Cardura), an antihypertensive. Doxazosin lowers, but does not cure, high blood pressure. It works by relaxing your blood vessels. It also can be used to treat enlargement of the prostate gland in men.
I couldn't find a pill image.