What Are Some Causes of a Hoarse Voice: There may be one or more causes for a hoarse voice. The origins can be structural, neurological, functional, or physiological in nature. Some causes for a hoarse voice are:
Laryngitis
Misusing or overusing your voice
Gastroesophageal reflux (GERD)
Vocal nodules, polyps, and cysts
Vocal fold hemorrhage
Vocal fold paralysis
Thyroid problems
Injury to the larynx
Neurological diseases and disorder
Chronic stress disorders
Anxiety/Depression
May sometimes be a symptom of laryngeal cancer
What You Can Do To Treat Your Hoarse Voice: There are several ways to help the voice recover in addition to seeking out professional help. A speech-language pathologist or voice therapist will provide evidence-based practices to treat and train the voice. Ways you can actively work towards a healthier voice are:
Identifying behaviors and unhealthy vocal hygiene practices
Shouting
Talking loudly over noise
Coughing/ throat clearing
Poor hydration
Implementing healthy vocal hygiene practices:
Drinking plenty of water
Diet modifications (e.g., reducing spicy foods and caffeine, eating a few hours before sleeping)
Talking at a moderate volume
Practices to reduce vocally traumatic behaviors (e.g., voice conservation)
References: Frequently Asked Questions About Voice Therapy. American Speech-Language-Hearing Association.