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.
Skin conditions. Skin conditions that can cause itching include: dry skin. eczema â where the skin is dry, red, flaky and itchy. contact dermatitis â inflammation of the skin that occurs when you come into contact with an irritant or allergen. urticaria â also known as hives, welts or nettle rash; it is triggered by an allergen and causes a raised, red, itchy rash to develop.