<unk>  is the most common contact allergy in industrialized countries, affecting around 8% to 19% of adults and 8% to 10% of children. women are affected 4–10 times as frequently as men.
Nickel allergy
Dust mite allergy
Sesame allergy
Tree nut allergy
Metal allergy
Garlic allergy
Peanut allergy
Insect sting allergy