Welcome to healthcare Magic!
You have had too many surgeries due to varying diseases.
may be related to blood loss during surgery, the pain medicines or the anemia of chronic illness.
You need to get anemia work up for this and review to a local physician for physical clinical examination.shingles
is a self limiting illness of viral origin. It needs local antiviral
It can result in significant neuropathic pain
in some individuals in that case it needs complex pain relieving regimens for prolonged times.
The shingles may occur due to stress
or poor immunity.
I hope the advise would be informative and useful for you.