![Anaphylaxis—a 2020 practice parameter update, systematic review, and Grading of Recommendations, Assessment, Development and Evaluation (GRADE) analysis - Journal of Allergy and Clinical Immunology Anaphylaxis—a 2020 practice parameter update, systematic review, and Grading of Recommendations, Assessment, Development and Evaluation (GRADE) analysis - Journal of Allergy and Clinical Immunology](https://els-jbs-prod-cdn.jbs.elsevierhealth.com/cms/attachment/7a943350-daf9-4ce7-a85d-ed149342accf/gr1.jpg)
Anaphylaxis—a 2020 practice parameter update, systematic review, and Grading of Recommendations, Assessment, Development and Evaluation (GRADE) analysis - Journal of Allergy and Clinical Immunology
![Anaphylaxis: A life-threatening allergic reaction that needs to be treated right away. | Bangkok Hospital Anaphylaxis: A life-threatening allergic reaction that needs to be treated right away. | Bangkok Hospital](https://cdn.bangkokhospital.com/2020/07/IHL-%E0%B8%A0%E0%B8%B9%E0%B8%A1%E0%B8%B4%E0%B9%81%E0%B8%9E%E0%B9%89%E0%B8%A3%E0%B8%B8%E0%B8%99%E0%B9%81%E0%B8%A3%E0%B8%87%E0%B9%80%E0%B8%89%E0%B8%B5%E0%B8%A2%E0%B8%9A%E0%B8%9E%E0%B8%A5%E0%B8%B1%E0%B8%99-%E0%B8%AD%E0%B8%B1%E0%B8%99%E0%B8%95%E0%B8%A3%E0%B8%B2%E0%B8%A2%E0%B8%96%E0%B8%B6%E0%B8%87%E0%B8%8A%E0%B8%B5%E0%B8%A7%E0%B8%B4%E0%B8%95-600x315.jpg)
Anaphylaxis: A life-threatening allergic reaction that needs to be treated right away. | Bangkok Hospital
![Urticarial rash, often seen in anaphylactic reactions (picture courtesy... | Download Scientific Diagram Urticarial rash, often seen in anaphylactic reactions (picture courtesy... | Download Scientific Diagram](https://www.researchgate.net/publication/8377930/figure/fig4/AS:280674536837123@1443929432948/Urticarial-rash-often-seen-in-anaphylactic-reactions-picture-courtesy-of-the-Advanced.png)