Skin allergy is abnormal skin sensitivity to any substance (Allergen) that is inhaled, eaten or touched which other people can tolerate without any trouble.
There is increased tendency in some families to develop skin allergies.
A good medical history is helpful for the diagnosis of skin allergy. Knowledge of the family history, food history, drug history and any past history of similar problem is very helpful. It may take some tests to find out exactly what the likely allergen is.
Following tests are available to find out the possible allergens: