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.
It's a chronic disease, so if this is the cause of your blotchy skin, it's likely you've had this rash elsewhere. Contact dermatitis is a red itchy rash that occurs when the skin reacts to an irritant such as poison ivy or a new detergent.f you have noticed patchy red skin on your ankles, make sure to record what the rash looks like and what you were doing before it appeared -- even if it was something as benign as sleeping or watching television -- as this information will help your health care provider narrow the field of potential causes.