Medically reviewed by Jurairat J. Molina, MD Allergies are an immune system reaction to substances called allergens. The ...

Having an allergic reaction can affect your nose, lungs, throat, sinuses, ears, lining of your stomach, or skin. Delayed reactions, or allergic contact dermatitis, is the most common type of allergic ...

Reports of allergic contact dermatitis and delayed hypersensitivity reactions to this “amide” anesthetic are limited. We report 16 cases of lidocaine contact allergy seen over 5 years.

TASS/. Delayed adverse reactions to the Sputnik V coronavirus vaccine are impossible, Alexander Gintsburg, the Director of the Gamaleya Center, the vaccine developer, told reporters on Wednesday.