Management of Acute Laryngitis
Acute laryngitis is a self-limited viral illness that requires no antibiotics or corticosteroids; treatment focuses on voice rest, hydration, and analgesics, with symptoms resolving in 7-10 days regardless of intervention. 1
What NOT to Do
Do not prescribe antibiotics for acute laryngitis. Systematic reviews demonstrate zero effectiveness in treating acute laryngitis, and antibiotics contribute to resistance, increase costs, and may cause laryngeal candidiasis. 1 Cochrane meta-analyses confirm no objective benefit from penicillin V or erythromycin on voice scores at 1-2 weeks or 2-6 months. 2, 3
Do not routinely prescribe systemic corticosteroids. There is no supporting evidence for efficacy in viral laryngitis, and corticosteroids carry significant risks including cardiovascular disease, hypertension, osteoporosis, impaired wound healing, infection risk, and mood disorders. 1, 4 Even short courses can cause sleep disturbances, gastrointestinal upset, and metabolic effects. 4
Do not prescribe proton pump inhibitors (PPIs) empirically without laryngoscopy. There is no evidence supporting empirical PPI use for dysphonia alone, and prolonged use carries risks including impaired cognition, pneumonia, hip fractures, vitamin B12 deficiency, and chronic kidney disease. 1
Colored mucus does NOT differentiate viral from bacterial infection. This is a common misconception; purulent discharge reflects neutrophilic inflammation common to viral disease. 1
First-Line Symptomatic Management
Voice rest is essential to reduce vocal fold irritation and promote healing. 1
Adequate hydration maintains mucosal moisture and reduces irritation. 1
Analgesics or antipyretics (acetaminophen or NSAIDs) can be used for pain or fever relief. 1
Natural History and Expected Timeline
Most viral laryngitis resolves within 7-10 days regardless of treatment. 1 This self-limited course is the cornerstone of management—reassure patients that symptoms will improve without intervention. 1
Antibiotics provide no benefit. Cochrane reviews of penicillin V and erythromycin found no significant differences in objective voice scores at any time point (1 week, 2 weeks, or 2-6 months). 2, 3 While erythromycin showed modest subjective improvement at 1 week in one trial, this does not translate to clinically meaningful outcomes. 2, 3
When to Escalate Care
Laryngoscopy is indicated if dysphonia persists beyond 2-3 weeks, symptoms progressively worsen, or there are signs of airway compromise. 1 No patient should wait longer than 3 months for laryngeal examination. 1
Persistent symptoms may indicate other pathology requiring different management, such as vocal cord nodules, polyps, malignancy, or reflux laryngitis. 1
Voice Therapy for Persistent Dysphonia
If dysphonia persists and reduces quality of life after laryngoscopy confirms the diagnosis, voice therapy should be advocated. There is moderate-to-good evidence (Level 1a) supporting direct symptomatic and behavioral voice therapies. 1
Voice therapy techniques include:
- Natural reflexive behaviors and playful sounds (sighing "ah," quiet sirens using nasal sounds, low-pitched glottal fry, giggling). 1
- Automatic phrases with minimal communicative responsibility (counting, days of the week, singing familiar songs). 1
- Physical maneuvers including circumlaryngeal massage with concurrent vocalization and laryngeal repositioning during phonation. 1
Special Considerations
Reflux-Associated Laryngitis
- For reflux-associated laryngitis confirmed by laryngoscopy, consider anti-reflux treatment only if there are visible signs of reflux laryngitis or concomitant GERD symptoms (heartburn, regurgitation). 1 Do not prescribe PPIs empirically without visualization. 1
Professional Voice Users
For professional voice users, early evaluation is warranted as delay in diagnosis can have significant psychological and economic ramifications. 1
In professional voice users with confirmed allergic laryngitis who are acutely dependent on their voice, corticosteroids may be considered after laryngoscopy and shared decision-making discussing limited evidence and documented risks. 4 However, this is an exception, not the rule. 4
Common Pitfalls
Using corticosteroids before laryngoscopy can mask serious pathology and provides no proven benefit. 1, 4
Assuming all persistent hoarseness is "just laryngitis." Smokers with dysphonia require particular concern due to increased risk of polypoid lesions and laryngeal cancer. 1
Prescribing antibiotics "just in case." This contributes to resistance without benefit, as acute laryngitis is viral in 98-99.5% of cases. 1, 2, 3
Rare Bacterial Laryngitis (Epiglottitis)
Epiglottitis (supraglottic laryngitis) is a bacterial infection most commonly caused by Haemophilus influenzae type B, though other pathogens can be responsible. 5 This is a medical emergency requiring immediate hospitalization, airway management, and intravenous antibiotics plus corticosteroids. 5
Epiglottitis can occur in adults and is as severe as in children. 5 Dyspnea is the leading sign, and emergency administration of systemic and inhaled glucocorticoids (more than 0.3 mg/kg dexamethasone for 48 hours) is the basic treatment. 5
This is distinct from viral laryngitis and requires urgent ENT consultation. 5
Summary Algorithm
- Diagnose acute laryngitis clinically (hoarseness, sore throat, cough following URI).
- Reassure the patient that symptoms will resolve in 7-10 days without antibiotics or steroids. 1
- Prescribe symptomatic care: voice rest, hydration, analgesics. 1
- Do not prescribe antibiotics or corticosteroids unless there is a specific indication (e.g., confirmed allergic laryngitis in a professional voice user after laryngoscopy). 1, 4, 2, 3
- Perform laryngoscopy if symptoms persist beyond 2-3 weeks or worsen. 1
- Refer for voice therapy if dysphonia persists and reduces quality of life after laryngoscopy. 1