I recently developed thrush on tongue as well as oral sores on one area of gum. I have been under stress and mild depression. Last week was on a bus for 12 hours where it was uncomfortably cold and was sleep deprived. Next night I had no sleep on a camping trip as it was too cold and uncomfortable to sleep. Shortly afterward developed sore throat and upper respiratory infection symptoms and most recently noted oral symptoms previously described. You had previously addressed the question of stress, but can a cold or upper respiratory infection and ongoing stress and poor nutrition sufficiently compromise the immune system so as to cause the oral symptoms I described? PS Sexual activity limited to providing fellatio to other males.
Thanks for writing. All of the factors your describe fatigue, depression, poor nutrition, a cold can contribute to getting oral thrush. In the medical literature thrush has been associated with clinical depression, being less satisfied with life, having poorer self esteem, and perceiving one's life to be more stressful than others.
Because thrush can be symptomatic of many concerns, you need to speak with your healthcare provider about your symptoms. Be certain to take a close look at the stressors in your life and start addressing them. Speaking with a counselor might give you some support in devising such a plan and getting some skills that can help you better control these issues.