hello,
this condition is called
pompholyx. ita a type ofeczema, it presents with skin coloured extremely itchy bumps.
the treatment would be application of
steroid cream like
mometasone furoate 0.1% once a day for 10 days over the palms and
oral antihistaminic tablet like tab.
loratidine 5 mg once a day will help you out with the itching.
in case you sweat a lot over your palms that will have to be taken care of as well.
please feel free to ask me in case you have any queries.