David Shepherd writes a great article on Cross-Cultural Burnout PTSD, and ways to help missionaries deal with the debilitating illness.
Here is the link to his article:
Don spent twenty-two years with his wife, Kathy, serving orphan children and HIV-AIDS families in KwaZulu Natal, South Africa. Towards the last few years in South Africa, close friends and family noticed he was struggling with something. No one was quite sure. So, with a return to the United States Don thought a change was all he needed.