Originally Posted by
Empired
Thinking you're going to drop dead from any kind of pain sounds less like anxiety to me and more like paranoia, but I'm not one to decide so don't take my word for it :P
However I think I should just say now: do not Google if you think you have an illness, or ignore it if you already have. I went on Google because I suffer from mild asthma and wanted to see if there were any tips to help my breathing through the winter months and was told by a site that I am probably suffering from lung cancer and could die at any minute.
I suggest you go and see your GP as he/she will be able to give you much better advice than anyone on this forum will be able to give or otherwise will refer you to a private clinic who specialises in what they think could be wrong with you.