Guidelines: Diagnosis and management of perioperative immediate hypersensitivity reactions 2025.

Of these recommendations, 6 have a high level of evidence (6 Grading of Recommendations Assessment, Development and Evaluation 1), 16 have a low level of evidence (16 Grading of Recommendations Assessment, Development and Evaluation 2) and 48 are expert opinions.

Finally, for 1 question, no recommendation could be made.