Allergic contact dermatitis
Ans. C. Allergic contact dermatitis
ACD is a form of contact dermatitis that manifests as an allergic response caused by contact with a substance. It is a hypersensitive reaction characterized by the presence of rash or a skin lesion in the form of papules, blisters or vesicles, etc. The differential features are
- It is confined to the area where the trigger touched the zone,
- It occurs after a day or two of the exposure and
- The symptoms reappear when in contact with the allergen.