brimstone - an old name for sulfur. native sulfur, native sulphur. atomic number 16, sulfur, sulphur, S - an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
These patches of red, and sometimes irritated or itchy, skin can appear anywhere on the body, but they are most commonly found on the arms, neck, and face. These blotchy patches can be caused by a variety of factors, such as weather, genetics, allergies, or environmental conditions.
They can also develop on the hands because of actions that cause rubbing against the skin that is intense. When a blood blister is punctured, a little amount of red dark blood comes out. The skin beneath the outer skin flap will be left sore and raw. This can increase the risk of an infection happening.