Treatment of Aphonia (Loss of Voice)
For aphonia, perform laryngoscopy immediately to visualize the larynx and rule out serious pathology, then initiate symptomatic voice therapy with behavioral techniques, which successfully restores voice in 82% of patients within the first day of treatment. 1, 2
Initial Diagnostic Evaluation
Before any treatment, visualization of the larynx is mandatory:
- Perform laryngoscopy immediately when a patient presents with complete voice loss (aphonia), regardless of duration, as this is considered a serious presentation requiring expedited evaluation 1, 3
- Do not prescribe any medications (antireflux drugs, corticosteroids, or antibiotics) before visualizing the larynx 1
- Do not obtain CT or MRI imaging prior to laryngoscopy 1
- Assess for red flags requiring urgent evaluation: recent head/neck/chest surgery, recent intubation, concomitant neck mass, respiratory distress, tobacco abuse history, or professional voice user status 1
The rationale here is critical: aphonia represents the extreme end of dysphonia severity, and serious underlying pathology (malignancy, vocal fold paralysis, structural lesions) must be excluded before attributing it to functional causes 1, 3.
Treatment Based on Laryngoscopy Findings
If Structural Pathology is Identified:
- For suspected malignancy or symptomatic benign lesions not responding to conservative management: advocate for surgical intervention 1, 3
- For spasmodic dysphonia or laryngeal dystonia: offer botulinum toxin injections 1, 3
- For glottic insufficiency: consider surgical options 1, 3
If No Structural Pathology (Functional/Psychogenic Aphonia):
Initiate immediate symptomatic voice therapy as the primary treatment, which is highly effective:
Direct Symptomatic Techniques (First-Line):
- Reflexive phonation techniques: Use double cough to achieve vocal fold closure, gargling with vocalization, or inhalation phonation to trigger automatic voice production 1, 2, 4
- Playful pre-linguistic sounds: Humming, bubble blowing into water with vocalization, or chewing exercises to bypass conscious control 1, 2
- Automatic phrases: Counting, days of the week, or other overlearned sequences that access different neural pathways 1
- Pushing exercises: Simultaneous vocalization with physical effort to increase subglottic pressure 2
The American Academy of Neurology and other guideline societies support these biofeedback-based speech therapy techniques to override dysfunctional breathing and phonation habits 1, 5.
Physical Maneuvers:
- Circumlaryngeal massage with concurrent vocalization to reduce laryngeal tension 1
- Laryngeal repositioning/lowering during phonation attempts 1
- Postural manipulations to optimize vocal tract alignment 3, 6
Attentional Redirection:
- Masking techniques: Use noise or altered auditory feedback to redirect conscious attention away from voice production 1, 2
- Large body movements while making sounds to engage motor systems 1
- Amplification or headphones to alter auditory feedback 1
Expected Timeline:
Voice returns in 82% of functional aphonia patients within the first day of vocal exercises using these techniques 2. Even patients with aphonia lasting weeks to years can achieve complete voice recovery, often within 12 weeks, and fixation does not occur even with prolonged aphonia 4, 7.
Psychological Component
While symptomatic voice therapy is primary, address underlying psychological factors:
- Provide clear education that abnormal vocal cord movements represent reversible habitual patterns, not structural damage 1, 5
- Communication counseling to identify predisposing, precipitating, and perpetuating psychosocial factors 1
- Address avoidance patterns and excessive dependence on alternative communication methods 1
- Refer for cognitive-behavioral therapy if there is long-standing anxiety, comorbid depression, or ongoing medicolegal issues 1, 5
Moderate-to-good evidence supports combining direct symptomatic voice therapy with indirect therapies involving education and vocal hygiene 1.
Critical Pitfalls to Avoid
- Do not delay laryngoscopy assuming functional cause—serious pathology must be excluded first 1, 3
- Do not prescribe antibiotics routinely for aphonia, as this is strongly contraindicated 1
- Do not avoid immediate voice therapy out of fear of "fixation"—recovery is possible even after years of aphonia 7
- Do not provide electronic communication devices prematurely, as this may perpetuate the pattern (functional mutism overlap) 1
- Do not focus solely on psychological therapy without addressing the symptom directly—the conversion has become dissociated from the original conflict and requires direct symptomatic intervention 4
Follow-Up and Documentation
- Document voice status after treatment, including resolution, improvement, or worsening of symptoms 1, 3
- Continue therapy for the 18% who do not recover voice on day one, as nearly all will eventually recover with continued treatment 2, 7
- Monitor for recurrence, which occurs in approximately one-third of cases, requiring repeat intervention 4