Symptoms
Rhinorrhea, cough, irritability, apnea (neonates)
Signs
Tachypnea, cyanosis, wheezing, retractions
Fever is usually low-grade or absent
If high-grade fever consider otitis media, UTI
Assess for dehydration (tachypnea may interfere with feeding)
Rhinorrhea, cough, irritability, apnea (neonates)
Tachypnea, cyanosis, wheezing, retractions
Fever is usually low-grade or absent
If high-grade fever consider otitis media, UTI
If high-grade fever consider otitis media, UTI
Bronchiolitis 
Airway obstruction
Croup
Anaphylaxis
Mediastinitis
Angioedema
Bacterial tracheitis
Aspirated foreign body