True relevance values can be assigned ... How do we differentiate between irritant and allergic patch-test reactions? Are allergies to less-familiar metals more common than previously suspected?

Standard allergen patch testing was also done ... this study parallels prior studies in concluding that true delayed type IV hypersensitivity (allergic contact dermatitis and photoallergy ...

After a few days, your allergist will remove the patches; irritated skin at the patch site may mean you have an allergy. Use caution with at-home food sensitivity test kits There are methods of ...