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.
Contact dermatitis can also cause blisters. This is a skin reaction to allergens, like poison ivy, latex, adhesives, or irritants like chemicals or pesticides. It can cause red, inflamed skin and blistering. Burns, if severe enough, can produce blistering. This includes burns from heat, chemicals, and sunburns. Allergic eczema is a skin condition that is caused or worsened by allergens and can produce blisters.