Hello,
Sorry to hear about this. Your condition, despite the frequent visits to the hospital and many tests performed, definitely needs further investigation and I do not think it is caused by
stress, especially since you mention other conditions like DVT and
thyroid problem. If it is not a circulation problem, it could very well be a
hormonal problem affecting the circulation.
However, in order to accurately answer your question, I would need a lot more information than you have already provided, and many pieces are missing for me to get a clear picture of what is going on.
I understand you are financially unstable to be able to get better medical attention. I wish I knew what country you are in so I could suggest free clinics or free sources of treatment.
What I am able to tell you, though, is that you should definitely insist to get to the bottom of this and identify the cause before it is too late.
Wishing you all the best