laryngitis

/ˌlɛrɪnˈdʒaɪtɪs/
noun
  1. Inflammation or swelling of the larynx (voice box), often causing hoarseness or loss of voice.
    • Laryngitis is common after shouting at a loud concert or sporting event.
    • Resting your voice is the best treatment for laryngitis.
    • She had laryngitis and could only whisper for three days.