Laryngitis

Definition

Laryngitis is the inflammation of the larynx, often leading to a hoarse voice or loss of voice. It can be caused by viral, bacterial infections, or other irritants.

5 Must Know Facts For Your Next Test

1. Laryngitis can be acute or chronic, with acute cases lasting less than three weeks and chronic cases persisting longer.
2. Common viral causes of laryngitis include influenza, rhinovirus, and adenovirus.
3. Bacterial laryngitis is less common but can be caused by pathogens like Streptococcus pneumoniae and Haemophilus influenzae.
4. Symptoms typically include hoarseness, sore throat, cough, and difficulty speaking.
5. Diagnosis is usually clinical but may involve laryngoscopy to visualize the vocal cords.

Review Questions

• What are the primary differences between acute and chronic laryngitis?
• Which viruses are commonly associated with causing laryngitis?
• How is bacterial laryngitis different from viral laryngitis in terms of causative agents?

Related terms

Pharyngitis: Inflammation of the pharynx causing a sore throat.

Bronchitis: Inflammation of the bronchial tubes often resulting in cough and mucus production.

Epiglottitis:

Inflammation of the epiglottis that can obstruct airflow to the lungs.