What is this rash of cracked skin on my hand?

Hand eczema. Hand eczema (also known as hand dermatitis) is a common condition affecting up to 10% of the population. It results from a combination of factors, both internal (e.g. Your genetic make-up), and external (e.g. Contact with irritants and allergens such as chemicals). The irritant nature of some chemicals means that hand eczema is particularly common in people with jobs involving cleaning, catering, .
Psoriasis possible 2. But it can also be pustular psoriasis. Numerous drugs can treat this and eczema quite well. I believe Doxycycline and Fluconazole work very well, based on my experience!