Allergic contact dermatitis (ACD) is an inflammatory disease of the skin that is caused by a type 4 hypersensitivity reaction. It results from contact of an offending chemical or antigen with the skin.[4]Morphology and location of the dermatitis are often the best indicators of the offending ag...
It is defined as “non-immunological local inflammation characterized by erythema, edema, and erosion occurring after a single or repetitive exposure to certain skin sites.” CQ4: What is occupational allergic contact dermatitis? The disease occurs in certain individuals and sensitization reaction involv...