If the symptoms are already more severe, with respiratory distress or even if the patient himself is in a coma, immediate treatment at the emergency department is required. For discomfort such as laryngeal oedema only, or if there is also discomfort such as sore throat, otorhinolaryngology-head and neck surgery may be an option. Children with abnormal breathing sounds and discomfort such as crying need to be seen in paediatrics.