Hello and welcome to HealingWell,I am glad you saw your Dr. again and that he feels your problem is anxiety. In any given year approximately 6.8 million American adults are dx with generalized anxiety disorder. So you are in good company and trust that you will find a good Dr. that can help you overcome your anxieties.
Here is the link to our resources page:
https://www.healingwell.com/community/default.aspx?f=9&m=104206
Here is the link to the many symptoms of anxiety and after looking at this you will see that so many of the sx are very close to symptoms of diseases and disorders.
Anxiety Symptoms, Anxiety Attack Symptoms (Panic Attack Symptoms), Symptoms of Anxiety:
http://www.anxietycentre.com/anxiety-symptoms.shtml
It sounds to me like your issue may be health anxiety so I am going to post a link from our resources as this may be a good starting place for you to work with to start healing from anxiety.
This book by David Veale is available at Amazon as well at other bookstore.
http://www.amazon.com/Overcoming-Health-Anxiety-David-Veale/dp/1845298241
Stick with us as we do understand and are here to help.