hi Heather! Thanks for the query..
From the above ,i see a possibility of Pompholyx/Dyshidrotic eczema
which is a condition in which small, usually itchy blisters
develop on the hands and feet.They are most common along the edges of the fingers, toes, palms, and soles. These blisters can cause intense itching and scaly patches of skin that flake constantly or become red, cracked, and painful.
You should use topical steroid
creams and ample emollients on your palm.However most cases require oral steroid prescriptions for a short term.