Coexistence of Nickel Allergy and Palmoplantar Pustulosis

Nickel is a very common metal and is a common cause of allergic contact dermatitis. Although nickel allergy often causes allergic contact dermatitis at contact areas, oral exposure to nickel may cause various skin reactions and systemic disorders. Herein, we aimed to draw attention to the different presentations of nickel allergy by presenting our case with palmoplantar pustulosis with accompanying nickel allergy.