heat rash
Curel has a lotion specifically created to help with itchy skin. It is called Curel Itch Defense. Gold Bonds is also a good brand to help with itchy skin.
It's possible that your skin cells in that area have stop producing melanin. The condition is called vitiligo
frostbite
frostbite
frostbite
frostbite
Some symptoms of an autoimmune disease are extreme fatigue, inflammation, persistent fever, swollen glands, changes in weight and itchy skin or skin rashes.
Generally, skin does not typically turn black. Exceptions would be injury or exposure to extreme cold that interferes with proper blood flow.
frostbite
Itchy skin on the arms and neck for a prolonged period could be caused by dry skin, allergies, insect bites, eczema, or contact dermatitis from exposure to irritants. It's recommended to see a healthcare provider for a proper diagnosis and treatment.
Red and itchy knuckles could be a sign of cold-induced hives or chilblains, which are a type of skin reaction to cold temperatures. It is important to keep your hands warm and consult a healthcare professional if the symptoms persist or worsen.
Allergies