Symptoms of Laryngotracheitis and Laryngotracheobronchitis (Croup) • Loud barking cough which aggravates with coughing and crying • Perception of a lump in throat • Stridor i.e. abnormal, high-pitched noisy and harsh breathing sound • Sore throat • Hoarse voice • Runny nose • Labored breathing • Mild fever Symptoms worsen at night.