Medically reviewed by Jurairat J. Molina, MD Key Takeaways Food allergy symptoms can start quickly after eating and may last from minutes to a couple of days.Seasonal allergy symptoms can last for ...

—An analysis of registry data concluded that hypersensitivity reactions in patients with mastocytosis are caused by exposure to certain triggers, including low tryptase levels and stings from certain ...

1 Department of Microbiology & Immunology, The University of Melbourne, Parkville, Victoria 3010, Australia. An increasing number of HLA associations have been observed with drug-hypersensitivity ...

This study involved 3,708 patients with cancer, with an incidence of paclitaxel HSR of 10.11%. An 11-predictor–based Pac-HSR scoring system was developed, involving the following factors: younger age; ...

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 ...