Hoarseness: what it is, symptoms, causes and treatment

The voice is a fundamental tool for human beings, from conversing with friends to communicating at work. When hoarseness develops, this instrument is at risk.

Recognizing the symptom and acting promptly makes all the difference. In this article, we will explain in detail what hoarseness is, its symptoms, the most frequent causes, and how it can be treated, based on scientific evidence and recent studies.

What is hoarseness?

Hoarseness, also known as Dysphonia, This refers to a change in vocal quality; the voice may become weaker, hoarse, have "breaks," or be difficult to produce.
From a functional point of view, the voice depends on the vocal cords (vocal cords) that vibrate inside the larynx.

When there is any alteration in the functioning or morphology of these structures, the vibration is less effective and hoarseness occurs.
We can also classify hoarseness as:

• Functional: when there are no identifiable anatomical lesions, but rather misuse of the voice or vocal overload.

• Organic: when there are visible changes or lesions in the vocal cords or larynx (nodules, polyps, tumors, etc.).

Symptoms of hoarseness

Symptoms of hoarseness vary depending on the cause and severity. Some of the most common are:

• Changes in voice timbre (deeper, rougher, or hoarse). 

• Weak or barely audible voice.

• Effort to speak or a feeling of vocal "fatigue".

• Difficulty hearing one's own voice or projecting it.

• In some cases, associated symptoms include: throat pain or discomfort, a feeling of a foreign body in the throat, frequent throat clearing, a persistent cough, or difficulty swallowing.

It is important to point out that if hoarseness persists for more than two to three weeks, or is associated with warning symptoms (such as difficulty breathing, pain, or a lump in the neck), medical evaluation should be sought.

Causes of hoarseness

Hoarseness can be caused by various factors, ranging from simple and benign issues to conditions requiring more specialized treatment. Here are the main causes:

1. Excessive or inappropriate use of the voice.

Professions such as teachers, singers, call center operators, or people who frequently speak in noisy environments are more susceptible to the risk of hoarseness due to vocal strain. Speaking loudly, shouting, frequently clearing the throat, or using the voice in an environment with poor acoustics can cause fatigue or damage to the vocal cords. 

2. Upper respiratory tract infections

Viral or bacterial infections involving the larynx or pharynx (such as laryngitis, pharyngitis) can cause inflammation of the vocal cords and consequently hoarseness. 

3. Gastroesophageal and laryngopharyngeal reflux

O stomach acid which travels up the esophagus and even to the larynx can irritate the vocal cords, causing persistent hoarseness.

4. Smoking, alcohol and environmental irritants

Tobacco smoke, as well as environments with a lot of dust or smoke, cause continuous irritation of the vocal cords and increase the risk of more serious problems. Excessive alcohol and caffeine consumption can also contribute to drying and irritating the laryngeal mucosa. 

5. Anatomical or organic lesions of the vocal cords.

Vocal nodules, polyps, cysts, Reinke's edema, or even benign or malignant tumors of the larynx. These situations require specialized evaluation and are more frequent in smokers or people who abuse their voice. 

6. Neurological or post-surgical changes

Some surgeries on the neck or chest, or injuries to the nerves that control the vocal cords, can cause hoarseness. Neurological diseases can also impair vocal function. 

7. Age and hormonal changes

With aging, vocal cord atrophy and voice changes can occur. Hormonal or thyroid changes can also contribute. 

Diagnosis of hoarseness

To identify the cause of hoarseness and determine the appropriate treatment, a clinical evaluation is carried out by an otolaryngologist, often with the support of a speech therapist.
The diagnosis may include:

• Detailed medical history (how long the patient has been present, aggravating or relieving factors, lifestyle habits). 

• Laryngoscopy or nasofibrolaryngoscopyVisualization of the vocal cords and larynx using fiber optics or a camera.

• Other complementary tests: sometimes, biopsy, imaging tests, functional voice or thyroid tests, depending on clinical suspicion.

Treatment of hoarseness

Treatment will depend on the underlying cause. In many simple cases, it resolves with lifestyle changes and vocal rest, but in others, therapy or surgery may be necessary. Here are the main interventions:

General care

• • Adequate fluid replacement (maintaining good hydration) to promote lubrication of the vocal cords. 

  • Vocal rest: reduce intense use of the voice, avoid shouting or whispering (whispering can require effort and worsen the condition). 

  • Avoid smoking, reduce alcohol consumption, and avoid environmental irritants (smoke, dust, excessively dry air). 

  • Treating or controlling gastroesophageal reflux: dietary modification (avoiding very fatty or acidic foods), elevating the head of the bed, medication if indicated.

  • Humidify dry environments, especially if you use air conditioning or live in dry climates. 

Speech therapy

In cases involving professional use of the voice or functional impairments, the Speech therapy Vocal therapy with a speech therapist can be crucial. It includes vocal retraining, vocal cord exercises, vocal warm-up techniques, and vocal hygiene guidance. 

Pharmacological or medical treatment

Depending on the cause:

• • Antihistamines or nasal/laryngeal corticosteroids, if allergies or inflammation are present. 

  • Medications for reflux, such as proton pump inhibitors or antacids, if that is the cause. 

  • In some cases, specific medication is used for neurological conditions or to treat bacterial infections, if present. 

Surgical treatment

In situations where there are visible lesions on the vocal cords (persistent nodules, polyps, tumors) or structural malformations, surgical removal or correction may be indicated.

When should hoarseness be a cause for concern?

Although hoarseness is often temporary and benign, there are warning signs that indicate you should seek urgent medical evaluation:

• Hoarseness that lasts more than two to three weeks No improvement. 

• Hoarseness accompanied by difficulty swallowing or breathing, persistent pain, a feeling of a "lump" in the neck, unexplained weight loss. 

• Any vocal changes in long-term smokers or those associated with alcohol consumption or exposure to irritants. 

Prevention

Preventing hoarseness involves taking good care of your voice and adopting healthy habits. Some recommendations:

• Stay well hydrated throughout the day.

• Avoid straining your voice, especially in noisy environments.

• Take vocal breaks if you use your voice intensively.

• Avoid tobacco and excessive alcohol consumption.

• Treat reflux or allergies promptly.

• Use a work or leisure environment with good ventilation and adequate humidity.

• Maintaining good overall health is important, with a balanced diet, sufficient sleep, and stress management.

Conclusion

Hoarseness, that change in voice that warns us that something may be wrong, requires attention. In most cases, the causes are benign: overuse of the voice, mild infections, temporary irritation. However, when it persists or is associated with alarm symptoms, it should not be ignored.

Timely diagnosis and appropriate treatment make all the difference in preserving your voice, and with it, your communication, professional life, and quality of life. If you notice a persistent change in your voice, consult a specialist. Your voice is a vital instrument; take good care of it.