I have an irritated rash on my hands, little white bumps mainly on my fingers, what can I do about it? White bumps that are causing my hands to feel dry and sore

This . This is possibly hand dermatitis (dyshidrotic eczema). I would recommend you use a gentle cleanser such as cerave hydrating cleanser, a moisturizer such as cerave cream, and it would be a good idea to see a dermatologist to talk about prescription medications that can help you. Read more at the link below. I hope that helps!