The condition you described is probably pompholyx.
There are tough vesicles on sole area containing thick fluid.
It is also called dyshidrotic eczema
There may be itching or burning.
There may be some cause.
Irritants like water,solvent,detergent,soap etc may be responsible.
It may be aggravated by heat,stress and sweating.
,topical steroids, oral antibiotics
and steroids may improve the condition.
However, consult dermatologist
for firm diagnosis and treatment .
I hope you got my answer.
Dr. Ilyas Patel MD