Contact dermatitis

Contact dermatitis is a reaction that happens after your skin comes in contact with certain substances.
Skin irritants cause most contact dermatitis reactions. Other cases are caused by allergens, which trigger an allergic response. The reaction may not start until 24 to 48 hours after exposure. 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.

Causes of contact dermatitis:

Some of the most common causes of contact dermatitis include:

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