Avoid vocal abusive and misuse behaviours like:

• Shouting / yelling / screaming
• Speaking over loud noise for a long period
• Prolonged use of unconventional vocal sounds – like grunting, growls, imitating animals or machine noises.
• Throat clearing
• Smoking
• Speaking or singing with tension

Some things that’s beneficial for your voice:

• Adequate hydration is central to healthy vocal fold function.
• Silent cough
• Voice rest
• Vocal warm-ups before speaking for a long time (example before teaching, or giving a presentation, or singing.
• If you’re a professional voice user, specific vocal exercises will strengthen the vocal cord muscles which will benefit endurance and limit vocal fatigue.