You may be having Schamberg's disease.
It is a type of capillaritis..also called progressive pigmented purpuric dermatosis
There are purpuric spots and patches on feet and legs.
The disease is benign and harmless.
Long time standing position may exacerbate the disease.Vitamin C
and K might improve the disease.
Thrombophob oint with mild steroid
cream may fade the lesions.
However, you consult dermatologist
Dr. Ilyas Patel MD