Nickel Allergy

Introduction A nickel allergy is a hypersensitivity reaction of the delayed immune response type (type IV). This type of allergy is also called “Delayed Type Hypersensitivity” (DTH). This means that after contact with the allergenic nickel, it takes hours to days for the immune cells to release messenger substances. These then lead to an inflammation … Symptoms of nickel allergy

When do the symptoms appear? Nickel allergy is a late-type allergic reaction, which means that the rash does not appear immediately upon first contact. The skin changes are mediated by the cells of the immune system and usually appear on the skin one to three days after the first contact. Where do the symptoms appear? … When do the symptoms appear? | Symptoms of nickel allergy