Here is a website that explains what dyspepsia is:
http://familydoctor.org/474.xml
I have a lot of the symptoms of this, but have never been specifically diagnosed with it. What have you tried that hasn't worked? I use over-the-counter Pepcid AC and it generally helps, but I also have esophegeal spasms so it's difficult sometimes to separate the heartburn from the spasms.