II. History: Exposure
- Surgical history- Intubation risks direct Laryngeal Trauma
- Head, neck or chest surgery risks Vagus Nerve or recurrent laryngeal nerve Trauma
 
- 
                          Voice Abuse
                          - Vocalist or singer
- Public speaking, teaching or telemarketing
- Umpire or coach
 
- 
                          Tobacco Abuse
                          - Differential Diagnosis: Laryngeal Cancer, Leukoplakia, Reinke edema or Chronic Laryngitis
 
- 
                          Alcohol Abuse
                          - Differential Diagnosis: Risk of Laryngeal Cancer or Reflux Laryngitis
 
III. History: Onset
- Acute (without Trauma or Foreign Body Ingestion)
- Chronic
IV. History: Timing
- Evening Onset: Neuromuscular cause- Myasthenia Gravis
- Recurrent Laryngeal Nerve Palsy
 
- Morning Onset
- Constant Hoarseness: Larynx Structural Change
- Intermittent Hoarseness: Benign or transient cause- Voice Abuse
- Postnasal drainage
 
V. History: Associated symptoms
- Pharyngitis, Otalgia, and Dysphagia for more than 2 weeks
- 
                          Dysphagia or odynophagia- Laryngeal Cancer
- Inflammatory Arthritis
- Reflux Esophagitis
 
- 
                          Dyspnea
                          - Laryngeal Neoplasm
- Bilateral vocal cord palsy
- Acute Epiglottitis
 
- 
                          Wheezing or Asthma- Allergy
- Inhaled Corticosteroid
 
- Laryngeal pain- Contact laryngeal ulcer
- Cricoarytenoid joint Arthritis or fixation
- Viral Laryngitis
- Bacterial Laryngitis
- Laryngeal Foreign Body
 
- Throat clearing
- Aspiration- Tracheoesophageal fistula
- Unilateral vocal cord palsy (breathy, raspy voice)
- Weight loss
- Laryngeal Neoplasm
 
- 
                          Cough, Hemoptysis, Chest Pain- Intrathoracic cause
 
- 
                          Stridor
                          - Laryngeal Cancer
- Laryngeal papillomatosis
- Vocal Cord Dysfunction
 
- Fever
- 
                          Generalized weakness, no weight loss- Neuromuscular Causes
 
VI. History: Voice Quality
- Breathy voice- Inflammatory Arthritis
- Functional Dysphonia
- Vocal Cord Paralysis
- Vocal cord lesion
 
- Strangled or halting voice
- Husky, muffled or nasal voice
- Harsh, raspy voice or strained voice- Reflux Laryngitis
- Vocal cord lesion
- Functional Dysphonia
 
- Honking voice
- Low-pitched voice- Hypothyroidism
- Reflux Laryngitis
- Functional Dysphonia
- Vocal Cord Paralysis
- Vocal cord inflammation or edema (Reinke edema or more generalized, Leukoplakia)
- Muscle tension Dysphonia
 
- Soft voice
- Vocal Fatigue- Functional Dysphonia
- Myasthenia Gravis
- Parkinsonism
- Vocal Abuse
- Age-related vocal atrophy
 
- Other specific voice types- Acromegaly- Thick, deep voice with slowed speech
 
- Multiple Sclerosis- Scanning speech and Dysarthria
 
 
- Acromegaly
