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Your voice sounds rough, scratchy, husky – or disappears altogether. Hoarseness (medically: dysphonia) is very common and in most cases the result of a harmless cold or voice strain. It usually subsides within a few days to two weeks. But: if it lasts longer than three weeks, it's an alarm signal that should be assessed by an ENT specialist. Here you'll learn which causes are typical, when it's a warning sign, and which self-help measures really work.
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Hoarseness lasting more than 3 weeks, with swallowing difficulties, weight loss or shortness of breath? Get an ENT assessment!
Hoarseness (dysphonia) is a disturbance of voice quality – the voice sounds rough, husky, scratchy, breathy or disappears altogether (aphonia). The cause is almost always a change in the vocal cords or the way they vibrate: through swelling (cold), nodules, polyps, reflux irritation or nerve damage.
Most cases are harmless and subside within one to two weeks. It becomes important if hoarseness lasts longer than three weeks, starts without an obvious cold or appears with accompanying symptoms such as swallowing difficulties, weight loss or one-sided sore throat.
Acute laryngitis: The most common cause – usually viral, in the context of a cold. Hoarse to silent voice, cough, mild sore throat, possibly fever. Usually subsides within one to two weeks.
Croup (subglottic laryngitis): In children – barking cough, hoarseness, possibly stridor. With marked breathing difficulty an emergency.
Chronic laryngitis: Caused by irritants – smoking, alcohol, reflux, dry air, pollutants.
Vocal nodules (singer's nodules): Caused by chronic voice overuse – typical in teachers, singers, childcare workers, children. Voice therapy is the most important measure.
Vocal cord polyps, cysts, granulomas: One-sided changes that can be removed surgically.
Reinke's oedema: Vocal cord swelling, especially in women who smoke – deep, rough voice.
Laryngeal cancer: Rare, but important to rule out. Risk factors: smoking, alcohol, older age. Persistent hoarseness, one-sided sore throat, swallowing difficulties, weight loss, blood-streaked sputum.
Vocal cord paralysis (recurrent nerve palsy): Damage to the recurrent laryngeal nerve – after thyroid surgery, due to tumours of the thyroid, oesophagus or lung, neurological diseases or aortic aneurysms.
Laryngopharyngeal reflux (LPR): Chronic reflux of stomach acid up to the larynx – often without typical heartburn. Symptoms: morning hoarseness, chronic throat clearing, globus sensation, chronic cough.
Underactive thyroid (Hashimoto's): Can cause a deep, rough voice – often missed. Accompanying symptoms: tiredness, sensitivity to cold, weight gain, dry skin.
Thyroid nodules and goitres: Large thyroids can put pressure on the larynx or the recurrent laryngeal nerve.
Thyroid cancer: Rare, but important to rule out for one-sided hoarseness with a palpable lump on the neck, swallowing difficulties or rapidly growing swelling.
Neurological diseases: Parkinson's, multiple sclerosis, ALS, stroke – can affect voice quality.
Spasmodic dysphonia: A form of dystonia with a strained, broken voice.
Endotracheal intubation: After prolonged ventilation, hoarseness can occur – usually reversible, in rare cases permanent.
The duration of hoarseness is the most important distinguishing feature – it determines whether you can wait it out or need an ENT assessment.
| Feature | Acute hoarseness | Chronic hoarseness |
|---|---|---|
| Duration | Up to 3 weeks | Longer than 3 weeks |
| Common triggers | Viral laryngitis, voice strain, dry air | Reflux, vocal nodules, thyroid, tumour |
| Course | Usually subsides on its own | Persists without targeted treatment |
| What to do | Voice rest, drinking, inhalation | ENT assessment with magnifying laryngoscopy |
Acute viral laryngitis: Voice rest, plenty of fluids, inhalation with salt water. Antibiotics are usually not necessary.
Vocal nodules, polyps: Voice therapy (speech and language therapy), possibly microsurgical removal.
Reflux-related hoarseness: PPIs (proton pump inhibitors), lifestyle changes, raising the head of the bed at night.
Underactive thyroid: Replacement with levothyroxine – the voice often normalises along with the TSH.
Vocal cord paralysis: Voice therapy, possibly surgical procedures (vocal cord augmentation).
The single most important measure for chronic hoarseness is to stop smoking. Irritant gases, dry indoor air and excessive alcohol consumption should be reduced. For reflux, smaller meals in the evening, raising the head of the bed, weight reduction in obesity and avoiding fatty and spicy foods all help.
For occupational voice strain, professional voice training is worthwhile – speech therapy and phoniatric practices offer targeted exercises. This protects the voice in the long term and prevents vocal nodules.
Some medications cause hoarseness as a side effect – others are the most important treatment for certain causes. An overview:
| Medication | Effect on the voice |
|---|---|
| Inhaled corticosteroids (asthma/COPD inhalers) | Most common medication-related cause – through local irritation and fungal infections. Rinse mouth after use, use a spacer |
| Anticholinergics (e.g. for overactive bladder) | Dry mouth promotes hoarseness – discuss alternatives with your practice if needed |
| Proton pump inhibitors (e.g. pantoprazole, omeprazole) | Treat reflux-related hoarseness – effect only sets in after days to weeks |
| Levothyroxine (thyroid hormone) | Treats hoarseness from an underactive thyroid – the voice normalises along with the TSH |
Digital medication plan: Record all your medications – ENT, GP, endocrinology and pulmonology can see at a glance which agents may cause hoarseness. → Create a medication plan
Interaction checker: Which medications can cause hoarseness? → Start interaction checker
Medication reminder: Take PPIs for reflux, levothyroxine for hypothyroidism, or asthma inhalers on time. → Set up reminders
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