Xylocaine to Freeze During Unpleasant Nasopharyngeal Swabs

Inclusion: * 6-17 years old inclusively * Children for whom a NPS was ordered Exclusion: * Children presenting with the following acute conditions, which could either prevent the lidocaine from being properly administered, or pose a risk for the patient as increased absorption of the medication might occur: * Nasal or airway burns, trauma or major anomaly * Cardiorespiratory compromise * Children for whom an informed consent could not be obtained * Any other life-threatening condition or priority one patient requiring emergency support * Language barrier * Children presenting with conditions that could prevent their ability to reliably report their pain: * Severe intellectual disability * Severe pain upon presentation * Administration of opiates prior to the NPS * Children presenting with the following chronic conditions, which could either prevent the lidocaine from being properly administered, or pose a risk for the patient: * Hypersensitivity/allergy to the medication or a known component * Methemoglobinemia * G6PD deficiency * Familial malignant hyperthermia * Pseudocholinesterase deficiency * Severe hepatic impairment * Severe cardiac condition or use of antiarrhythmic medication * Risk of airway aspiration