Contact dermatitis is a significant health problem affecting the elderly. Impaired epidermal barrier function and delayed cutaneous recovery after insult enhances susceptibility to both irritants and allergens. Exposure to more numerous potential sensitizers and for greater durations influences the Cited by: Overview Allergic contact dermatitis is a delayed hypersensitivity reaction (the reaction to the allergen occurs 48–72 hours after exposure). The most common allergens causing allergic contact dermatitis often change with time, as certain chemicals come in or out of use in the manufacture of products that come in contact with the skin.
Contact dermatitis, caused by an irritant that is not an allergic response, happens from direct contact with the irritant. Allergic contact dermatitis most commonly affects adults, but it can affect people of all ages. What causes contact dermatitis? Some of the most common causes of contact dermatitis . Contact Dermatitis Contact dermatitis is a rash that crops up on your skin when you touch or have a reaction to a certain substance. It’s red, itchy, and uncomfortable, but it’s not.