A hard lump on the palm of your hand is a symptom of Dupuytren's contracture. Also known as Dupuytren's disease, it causes an abnormal thickening of connective tissue (fascia) under the skin of the ...

Contact dermatitis is a form of eczema that causes a rash when your skin or hands touch an irritant. Sometimes, skin rashes can happen immediately. In most cases, though, a skin or palm rash takes ...