A hypersensitivity reaction happens when the immune system mistakenly identifies harmless substances as harmful. There are several types of hypersensitivity reactions, depending on the class of ...

Rheumatoid arthritis is associated with an atypical immune response called a type 3 hypersensitivity reaction. This reaction happens due to immune complexes in the body. It can be treated by ...

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 ...

Local anesthetics have transformed clinical practice by enabling a broad range of minor and major procedures with minimal discomfort. Although adverse reactions are frequently reported, genuine ...

Drug-induced hypersensitivity syndrome (DIHS) is a severe reaction to medication that can cause serious problems in many different body systems. In some cases, the condition can cause complications ...

Adverse drug reactions (ADRs) encompass a wide spectrum of unintended and harmful responses to medications, with hypersensitivity syndromes representing some of the most severe and potentially ...