Mariel,

Maybe someone here (SallyC ?), can PM you with the contact information for Skipps Pharmacy. From what I've read on this thread, he is someone you may actually be able to talk to that is very knowledgeable about LDN; and he may be able to find out for you if LDN is contra-indicated in your situation or not.
You have nothing to loose but the price of a phone call.

Pharmacists often know more about this stuff than doctors or specialists because they have the educational background, all the cool reference books and the e-links to pharmacy related info sites (from research facilities to the drug companies themselves).
It is the business of doctors to know diseases, treatments and management, but it is the business of pharmacists to know about drugs, interactions, contra-indications etc.

I hope that it turns out that you can try LDN and that it will help to at least take the edge off of your symptoms.
Good luck and please keep us posted on how you make out.

With love, Erika