Hypersensitivity is an immunological dysfunction characterized by an exaggerated or inappropriate response of the immune system. This heightened reaction is typically directed against harmless ...

Hypersensitivity reactions to vaccines occur in 1 in 50,000 to 1 in 100,000 doses. Most are local reactions and allow for the completion of the vaccination series. Systemic reactions are a minority ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. GLASGOW — Individuals given COVID-19 vaccination may experience a wide range of dermatologic ...

Dentin hypersensitivity is a common problem that dentists encounter, but just how common is it in general practices? Depending on its source, the answer varies wildly. One study findings suggest that ...