Voice surgery (phonosurgery) is the part of ENT care that treats problems of the larynx (voice box) and vocal cords, such as nodules, polyps, cysts and vocal cord paralysis. A hoarse or changed voice has many causes, from a passing infection to habits of voice use to, less often, cancer, so the cause has to be seen on an examination of the larynx before any operation is discussed.
In short
Most hoarseness from laryngitis settles by itself within 1 to 2 weeks.2 A US clinical guideline advises a look at the larynx (laryngoscopy) when hoarseness has not resolved or improved within 4 weeks, or sooner if a serious cause is suspected.1 Many voice problems are treated first with voice therapy from a speech and language therapist, and surgery is one option among several rather than the default.14 Results after surgery also depend on voice therapy and how the voice is used afterwards.4
What this field covers
- Benign vocal cord lesions: nodules, polyps and cysts, which form mainly through voice strain, coughing or throat clearing.4
- Vocal cord paralysis or weakness: when a vocal cord does not move properly, after injury, surgery, infection, some cancers or neurological conditions, or with no clear cause.5
- Spasmodic dysphonia: a voice disorder for which botulinum toxin injections are a guideline-recommended treatment.1
- Suspected cancer of the larynx: where the priority is diagnosis and cancer care, not voice surgery as an elective choice.3
- Pitch-change surgery: specialised operations to alter vocal pitch, which need their own assessment by a voice team.
Start with the cause
| Concern or symptom | Possible causes | Usual first step / type of specialist |
|---|---|---|
| Sudden hoarseness with a cold | Viral laryngitis; also allergy, acid reflux, prolonged coughing, constant throat clearing2 | Self-care; GP if not improving after 2 weeks or if it keeps coming back2 |
| Hoarseness that does not go away | Nodules, polyps or cysts, vocal cord paralysis, reflux-related irritation,2 and less commonly cancer of the larynx345 | GP, then ENT for laryngoscopy; guideline timing is 4 weeks, or sooner if a serious cause is suspected1 |
| Tired, strained voice in heavy voice users | Voice overuse or strain, nodules, polyps; reflux, sleep apnoea and allergies can aggravate it4 | ENT examination, often with videolaryngostroboscopy (slow-motion video of the vocal cords), and a speech and language therapist4 |
| Weak, breathy voice after neck or chest surgery or intubation | Vocal cord paralysis or injury15 | Prompt ENT assessment; the guideline lists recent surgery and intubation as reasons for earlier evaluation1 |
| Strained, broken voice with spasms | Spasmodic dysphonia; vocal cord weakness linked to neurological conditions5 | ENT voice specialist; botulinum toxin injections may be offered1 |
Main types of option
| Option | What it can do | What it cannot do |
|---|---|---|
| Waiting and self-care | Laryngitis usually clears within 1 to 2 weeks; some people with vocal cord paralysis recover during the first year, which is why surgery is often delayed for at least a year25 | Explain hoarseness that persists; that needs an examination1 |
| Voice therapy | Teaches more efficient voice use so strain-related injury can heal and recur less; also used before and after surgery145 | Remove a lesion that does not respond; some need surgery4 |
| Medicines | Treat a confirmed contributing condition such as reflux or allergy4 | Replace an examination: the guideline advises against routine antibiotics, and against steroids or antireflux medicines before the larynx has been seen1 |
| Injections | Botulinum toxin for spasmodic dysphonia1 | Treat hoarseness from other causes |
| Surgery | Microsurgery to remove nodules, polyps or cysts; operations to reposition a paralysed vocal cord, which usually give a stronger voice45 | Succeed without voice therapy afterwards, which Duke Health describes as essential4 |
What cannot be decided online
The voice cannot be diagnosed by how it sounds on a recording. The vocal cords have to be seen, usually with an endoscope (a thin camera), and stroboscopy shows how they vibrate.45 Some specialists also test the nerves of the larynx with laryngeal electromyography.5 The guideline also asks that laryngoscopy findings be shared with the speech and language therapist before voice therapy starts, which matters if assessment and therapy happen in different places or countries.1
Recovery after vocal cord surgery depends on voice therapy, and sometimes voice rest, afterwards, so it helps to know where that therapy will happen before any surgery away from home.4
When to seek urgent medical help
- Severe difficulty breathing, gasping, choking or being unable to get words out: call 999 or go to A&E.23
- Being more short of breath than usual, or a very painful throat or difficulty swallowing with a voice problem: contact NHS 111.23
- See a GP if a hoarse or changed voice does not go away, especially with a lump in the neck, pain or difficulty swallowing, or a persistent earache.3
- Hoarseness with noisy breathing (stridor), a neck lump, recent head, neck or chest surgery, recent intubation or a history of smoking calls for earlier specialist assessment.1
Guides in this section
Related guides elsewhere: the ENT and hearing overview, and for treatment away from home, how to verify medical credentials and aftercare planning.
Common questions
- What Are Vocal Cord Nodules, and How Are They Treated?
- What Should Adults Know About Tonsillectomy?
- What Are the Treatment Options for Snoring and Sleep Apnoea?
- What Does Informed Consent Actually Mean Before Surgery?
- How Long Should You Stay Abroad After Surgery?
- Which Medical Records Should You Bring Home After Treatment Abroad?
Sources
- Stachler RJ, Francis DO, Schwartz SR, et al. Clinical practice guideline: hoarseness (dysphonia) (update) executive summary. Otolaryngology–Head and Neck Surgery; 2018;158(3):409-426. PMID 29494316. https://scholarlycommons.henryford.com/pulmonary_articles/10 Accessed 5 November 2026.
- NHS. Laryngitis. NHS website. https://www.nhs.uk/conditions/laryngitis/ Accessed 5 November 2026.
- NHS. Laryngeal (larynx) cancer: symptoms. NHS website. https://www.nhs.uk/conditions/laryngeal-cancer/symptoms/ Accessed 5 November 2026.
- Duke Health. Vocal cord nodules, cysts, and polyps. Duke Health. https://www.dukehealth.org/node/2281 Accessed 5 November 2026.
- National Institute on Deafness and Other Communication Disorders. Vocal fold paralysis. NIDCD, US National Institutes of Health. https://www.nidcd.nih.gov/health/vocal-fold-paralysis Accessed 5 November 2026.