However , current estimates gauge that roughly 2.5 million US adults and 250,000 children suffer from nickel allergy , which costs an estimated $5.7 billion per year for treatment of symptoms .
The exact prevalence of Ni - ACD in the general population in the US is largely unknown .
Current estimates gauge that roughly 2.5 million US adults and 250,000 children suffer from nickel allergy , which costs an estimated $5.7 billion per year for treatment of symptoms .
The exact prevalence of Ni - ACD in the general population in the US is largely unknown .