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.
If your diet has insufficient vitamins, you may get blood blisters on your gums, tongue, inner lips or inner cheeks. Particularly, deficiency in vitamin C and B12 is a common cause of blood blisters in mouth, especially if they keep coming back. According to Mayo Clinic, âVitamin C deficiency can lead to scurvy.