What is the cause of seasonal hand desquamation?

What is the reason for seasonal hand desquamation? Hand is generally considered as eczema, due to contact with various stimulating factors of the outside world more opportunities, frequent activities, so the incidence is high. Most slow onset, back of the hand, fingers and other places show dark erythema, rash, scales, clear boundaries, dry rough surface, sometimes when the rash is serious, there are cracks. This disease is often confused with tinea manuum, which is often unilateral in onset and slow in progression, with blisters and dry desquamation, and is of great diagnostic value when it spreads to the hands and shows clearly defined lesions. Fungal examination should be done at this time. Its clinical treatment is the same as eczema, with hydrocortisone butyrate ointment, salicylic acid ointment, silicone oil ointment, mometasone furoate ointment, etc. alternating use.