http://www.cortjohnson.org/treating-chronic-fatigue-syndrome-mecfs/...
i think this is some very good info to read about if one is interested. i have heard about naltrexone over 20 years ago when i was seeing a speicialist for FM, CFIDS,(CFS/ME). i did try LDN( low dose naltrexone) but i dont remember about it.
all the best
HUGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGS
Suzie