Allergy to Neuromuscular Blocking Agents and Pholcodine Exposure

Inclusion Criteria

• •Male or female, age ≥ 2 years old.
• •Referred to anaesthesia-allergy consultation within (approximately) 6 to 12 weeks of occurrence of peranaesthetic anaphylactic reaction during anaesthesia with administration of NMBAs (only for case patient).
• •Having given his/her consent (or the 2 parents consent for minors).
• •Affiliated with a social security scheme or dependent.
• •Able to answer a medicinal product intake questionnaire
• •In a clinical condition compatible with skin tests (no skin disease or psychiatric illness, etc.) (only for case patient)
• •Having stopped any anti-histamine treatment at least 8 days previously (only for case patient).
• •With positive skin test for the suspected NMBA (ony for case patient).
• •Patient anaesthetised in a control recruitment centre (only for control patients)
• •Having undergone anaesthesia with NMBA injection, without onset of peranaesthetic anaphylactic reaction whatever his medical history (only for control patients)