Laryngitis: Symptoms, Causes, Treatment & Prevention

Inflammation of the larynx, voice box, and its related structures is also known as laryngitis. It is widespread and well-known for its ability to quickly result in voice loss or hoarseness. In most cases, it isn't harmful or persistent, but in certain situations, it might be. Additionally, when it doesn't go away on its own, it is usually treatable.

An inflammatory swelling that affects the voice box is called laryngitis. The larynx is the medical term for the voice box. Overuse, irritation, or infection can all cause inflammation of the larynx.

The vocal cords are located inside the larynx. Your voice is produced by these two bands of muscular tissue. The vocal cords open and close smoothly when they are in good health. They vibrate and move to produce noises. However, laryngitis causes inflammation of the voice chords. The noises produced by the air flowing across them are distorted as a result. The voice sounds hoarse as a result. Some laryngitis sufferers experience temporary voice loss.

Also Read: Asthma, Cause, Symptoms, Diagnose, Treatment and Prevention

What is Laryngitis?

Inflammation in the voice box, or the region surrounding your vocal cords, is known as laryngitis.

Inflammation of the larynx, or voice box, is called laryngitis. Overuse, inflammation, or an infection of your vocal cords can cause it.

Your vocal cords open and close smoothly when they are operating normally. Your voice is produced when air moves between them and causes them to vibrate. However, the vibration of your vocal cords is impacted by swelling and inflammation. They cause your voice to seem weak or harsh by distorting the sounds produced by your vocal cords.

 Symptoms:

The following are some of the most typical signs of laryngitis:

• Cough that sounds like barking or a dry cough

• Having a lump in your throat or the need to constantly clean your throat

• A weak voice or hoarseness (dysphonia)

• Not being able to speak

• Pain when speaking

• Roughness or tickling in your throat

The symptoms of acute laryngitis are transient, lasting three to seven days. Chronic laryngitis is the term for symptoms that persist longer than three weeks. The most common symptom of the chronic type of this condition is a globus feeling or cough that resembles barking.

Certain symptoms of laryngitis may make breathing difficult, which is a greater worry. Make an appointment with your healthcare professional if you experience these risky signs. If your child has them, take them to the doctor or give their doctor a call. Among the harmful signs are:

• A high-pitched sound made when breathing in or out is called a stridore.

• Painful or difficult swallowing Drooling

• Shortness of breath( dyspnea)

 Causes:

The most common cause of laryngitis is upper respiratory infections, particularly viral ones. However, it can also occur for a variety of other reasons. The causes were split into infectious and noninfectious categories by experts. Numerous infectious causes of laryngitis can be spread from person to person.

Infectious causes:

Among the viruses that cause infectious laryngitis are:

• Adenoviruses

• Common viruses that cause colds

• Influenza and parainfluenza (croup)

• RSV(respiratory syncytial virus)

• Rubella (German measles) and Rubeola (measles)

• COVID-19, or SARS-CoV-2 virus

• Varicella, which causes shingles in adults and chickenpox in children

• Pertussis (whooping cough)

The following bacteria can cause laryngitis and infections:

• Haemophilus influenzae

• Streptococcus pneumoniae, Moraxella catarrhalis, or other streptococcus species

Fungal infections can also cause laryngitis, while they are not as common. This is typically caused by the same fungi that cause candidiasis or aspergillosis. A fungal infection is less likely to cause laryngitis unless you are using inhaled steroids or have an weakened immune system.

Noninfectious causes:

There are a number of non-communicable diseases that can cause laryngitis. Among them are:

• Allergies

• GERD (gastroesophageal reflux disease)

• Injuries caused by inhalation (such as smoke inhalation)

• Irritation brought on by smoking, secondhand smoke, pollution, and long-term alcohol abuse

• Overuse injuries or trauma (such as singing, yelling, screaming, or using your voice excessively)

• Human papillomavirus (HPV) is typically the cause of recurrent respiratory papillomatosis (RRP).

• Lesions or tumors of the vocal cord, include malignant (cancerous) tumors and benign (noncancerous) growths

Risk factors

All ages are affected by laryngitis. This condition is more likely to affect you if you:

• Are you a heavy drinker?

• Are regularly in contact with tobacco smoke

• Have a respiratory illness such as sinusitis or bronchitis

• Overuse your voice

Complications:

Complications from acute laryngitis are rare. The primary exception is when you also have epiglottitis or other inflammation of a nearby structure. That may result in swelling that is severe enough to block your airway. If you have any of the potentially life-threatening symptoms, it's critical to have laryngitis examined and treated.

Depending on the cause, chronic laryngitis may result in consequences. Damage from the illness may eventually result in scarring or other long-term alterations. You can learn more about potential issues in your particular case from your healthcare practitioner.

How medical professionals diagnose laryngitis

In order to diagnose laryngitis, medical professionals typically inquire about your symptoms and recent activities. They might also listen to your lungs and examine your throat. Although tests are usually not necessary, your healthcare professional may suggest them if they wish to rule out certain conditions as the cause.

They may suggest the following tests:

• CT scan for biopsy

• Laryngoscopy

• Culture of the throat

Depending on what they suspect or wish to rule out, your provider may suggest additional tests. They can provide you with additional information about the tests and their potential benefits.

Treatment:

Is there a cure for laryngitis and how is it treated?

Usually, laryngitis cures on its own in a week or two. Two important things you can do for yourself are to rest your voice and drink plenty of water.

Your healthcare professional may suggest further treatments, such as medication, depending on the cause. The following are some potential therapies, but they're not the only ones:

Antibiotics that are ineffective against viral infections but beneficial against bacterial infections

• Antifungals for infections caused by fungi

• Corticosteroids to reduce inflammation and swelling

• Expectorants that facilitate mucus production

• Painkillers to alleviate discomfort or misery

• Proton pump inhibitors (PPIs) to  help laryngitis caused by GERD

You may also require further treatments in rare instances of chronic laryngitis. This could include speech therapy to help you strengthen your voice or surgery to remove a growth. The treatments that are most likely to benefit your particular situation can be discussed with your healthcare professional.

Prevention:

Although there is no 100% way to prevent laryngitis, there are several things you may do to lower your risk. Among the things you can accomplish are:

• The best defense against upper respiratory infections is to wash your hands often.

• Keeping up with immunizations, such as COVID-19 and influenza

• Avoid secondhand smoke and abstain from smoking. Your throat gets dry from smoke. Additionally, it could cause your vocal cords.

• Drink a lot of water. Drinking water keeps the mucus in your throat clear and thin.

• Eat fewer hot meals. Acid from the stomach may enter the esophagus or throat after consuming spicy food. Heartburn or gastroesophageal reflux disease (GERD) may result from this.

• Consume a range of nutritious foods. Consume entire grains, fruits, and veggies. These contain vitamins that are critical to your general well-being. Additionally, these foods can maintain the health of the throat lining.

• Avoid clearing your throat. This is more detrimental than beneficial. Your vocal cords vibrate when you clear your throat, which can increase swelling. Additionally, clearing your throat aggravates your throat. You might wish to cleanse your throat once more after that.

• Take precautions against the flu, colds, and other diseases. Frequently wash your hands. Additionally, stay away from those who are sick.

References:

• American Laryngological Association. Patient Education (https://alahns.org/research-education/voice-problems/). Accessed 2/2/2026.

• Laryngitis. Merck Manual Professional Version. https://www.merckmanuals.com/professional/ear,-nose,-and-throat-disorders/laryngeal-disorders/laryngitis. Accessed Jan. 3, 2024.

• Amdur RL, Linder JA. Upper Respiratory Symptoms, Including Earache, Sinus Symptoms, and Sore Throat. In: Longo D, Fauci A, Kasper D, et al., eds. Harrison’s Principles of Internal Medicine. 22nd ed. McGraw-Hill; 2026.

• Gupta G, Mahajan K. Acute Laryngitis

•  (https://www.ncbi.nlm.nih.gov/books/NBK534871/). 2022 Sep 12. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2026 Jan. Accessed 2/2/2026.

• Swain SK, Sahu MC, Debdta P, Baisakh MR. Primal Fungal Laryngitis: An Overlooked Clinical Entity (https://journals.lww.com/apmd/fulltext/2019/16010/primary_fungal_laryngitis__an_overlooked_clinical.4.aspx). Apollo Medicine. 2019 Jan-Mar;16(1):11-15. Accessed 2/2/2026.

• Nata SC, Launico MV. Anatomy, Airway (https://www.ncbi.nlm.nih.gov/books/NBK459258/). 2025 Sep 15. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2026 Jan. Accessed 2/2/2026.

• Taking care of your voice. National Institute on Deafness and Other Communication Disorders. https://www.nidcd.nih.gov/health/taking-care-your-voice. Accessed Jan. 3, 2024.

• Collins AM, Simpson C, Dominguez LM. The Larynx (Hoarseness). In: Usatine RP, Smith MA, Mayeaux, Jr. EJ, Chumley HS. eds. The Color Atlas and Synopsis of Family Medicine. 3rd ed. McGraw-Hill Education; 2019.

• Roginski MA, Atchinson PR. Upper Respiratory Tract Infections. In: Walls RM, ed. Rosen’s Emergency Medicine: Concepts and Clinical Practice. 10th ed. Elsevier Inc. 2023:812-828.

• Upper Respiratory Tract Infections. In: Chin-Hong P, Joyce EA, Karandikar M, Matloubian M, Rubio L, Schwartz BS, Levinson W, eds. Levinson’s Review of Medical Microbiology & Immunology, A Guide to Clinical Infectious Diseases. 18th ed. McGraw-Hill; 2024.

• Kimura Y, Hirabayashi E, Yano M, Fujitani S, Shioiri S. COVID-19 Omicron variant-induced laryngitis (https://pmc.ncbi.nlm.nih.gov/articles/PMC9395289/). Auris Nasus Larynx. 2022 Aug 23;50(4):637-640. Accessed 2/2/2026