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Patient ReportsLaryngospasm: Symptoms, Causes, Diagnosis and Treatment
Written by Medicover Team and Medically Reviewed by Dr Shashi Kiran Somala , ENT
Table of Contents
Laryngospasm is a sudden, involuntary spasm of the vocal cords that temporarily narrows or blocks the airway, making it difficult to breathe or speak. Episodes are usually brief but can be frightening and may occur due to acid reflux, anesthesia, respiratory infections, or irritation of the throat. Although most cases resolve on their own, recurrent or severe episodes require medical evaluation. Early diagnosis and appropriate treatment can help prevent recurrence and reduce the risk of complications.
What are the Symptoms of Laryngospasm?
Laryngospasm is when the muscles around your voice box (larynx) suddenly tighten, making it hard to breathe or speak for a short time. It can be scary, but knowing the symptoms helps you recognize it and stay calm.
Usually, a laryngospasm starts quickly and doesn't last long, often just a few seconds to a couple of minutes.
During an episode, you might feel like your throat is closing up or you can't get enough air. Sometimes, people make a strange, high-pitched sound called stridor when trying to breathe in.
- Stridor: A high-pitched wheezing sound while breathing.
- Coughing: Sudden, forceful coughing fits.
- Cyanosis: Bluish discolouration of the skin due to lack of oxygen.
- Panic and Anxiety: The sensation of not being able to breathe can induce panic.
- Sudden difficulty breathing
- Feeling like your throat is closing
- High-pitched wheezing or noisy breathing (stridor)
- Choking during the episode
- Inability to speak clearly or at all temporarily
- Feeling panicked or anxious during the spasm
While these symptoms are alarming, they often resolve quickly as the vocal cords relax. However, persistent or severe symptoms require immediate medical attention to prevent complications.
What are the Causes of Laryngospasm?
Laryngospasm happens when the vocal cords suddenly tighten or close up, blocking airflow into the lungs for a short time. This is usually the body's protective reflex to stop things like food, liquids, or irritants from entering the windpipe or lungs. While it can feel scary, understanding the causes can help you know why it happens.
Common Triggers
Laryngospasm can be triggered by a variety of factors, most commonly irritation or stimulation of the larynx. The following are some common causes of laryngospasm:
- Gastroesophageal Reflux Disease (GERD): Acid reflux can irritate the larynx and lead to laryngospasm.
- Anaesthesia: During surgery, anaesthetic agents or the placement of an endotracheal tube can irritate the vocal cords.
- Allergic Reactions: Exposure to allergens can provoke laryngeal inflammation.
- Respiratory Infections: Conditions like croup or laryngitis can cause inflammation and trigger spasms.
- Environmental Irritants: Exposure to smoke, dust, or fumes can lead to irritation.
Neurological Factors
In some cases, neurological issues might contribute to the occurrence of laryngospasm. Conditions affecting the central nervous system or the pathways responsible for vocal cord control may contribute to the development of laryngospasm.
Causes of Laryngospasm
- Throat irritation from infections (cold, flu)
- Acid reflux is causing throat irritation
- Allergies or exposure to irritants like smoke or fumes
- Medical procedures (e.g., intubation)
- Neurological or muscle disorders affecting the vocal cords
- Sudden exposure to cold air or sudden swallowing issues
When to See a Doctor for Laryngospasm?
Individuals with recurrent episodes of laryngospasm, unexplained breathing difficulty, or throat tightness should consult an ENT Specialist or Pulmonologist. Emergency medical care is required if breathing does not quickly improve.
You should see a doctor if you experience:
- Repeated episodes of throat closure
- Difficulty breathing associated with reflux or infections
- Persistent hoarseness or throat irritation
Seek emergency medical attention if:
- Breathing remains severely restricted
- Bluish lips or skin develop
- Loss of consciousness occurs
These symptoms may indicate severe airway obstruction requiring urgent medical intervention.
How is Laryngospasm Diagnosed?
Diagnosing laryngospasm can be tricky because the symptoms often come and go quickly. Many people feel like they're choking or can't breathe for a few seconds, which can be scary.
Doctors usually start by asking about your medical history and what triggers the episodes, like acid reflux, stress, or recent surgery.
Since there's no single test to confirm laryngospasm, doctors use a combination of questions, physical exams, and tests to rule out other issues like asthma or allergies.
Here are some common tests your doctor might recommend:
- Laryngoscopy: A thin tube with a camera is gently inserted through your nose or mouth to check your vocal cords.
- Pulmonary Function Tests: These check how well your lungs are working and help rule out asthma.
- pH Monitoring: Used to detect acid reflux, which can trigger laryngospasms.
- Allergy Testing: Helps find out if an allergic reaction is causing the symptoms.
- Voice Evaluation: A speech therapist may assess how your vocal cords are functioning.
These tests help your doctor understand what's going on and choose the best way to treat it.
How is Laryngospasm Treated?
Laryngospasm can feel scary, but the good news is that it's usually short-lived and treatable. It happens when the vocal cords suddenly tighten, making it hard to breathe or speak for a few seconds to a few minutes. Here's how it's managed:
- Stay Calm: Try not to panic. The spasm usually goes away on its own in less than a minute. Staying calm helps the muscles relax faster.
- Slow, Gentle Breathing: Breathe through your nose if possible. Slow and steady breaths can help ease the spasm.
- Sip Cold Water: Taking small sips of cold water after the episode may help soothe the throat muscles and prevent another one.
- Steam Inhalation: Breathing in warm steam may reduce throat irritation and relax the vocal cords.
- Treating the Cause: If laryngospasm is triggered by acid reflux, allergies, or throat irritation, treating the underlying cause can reduce future episodes.
- Medication (if needed): In some cases, doctors may prescribe medicine for acid reflux or anxiety if those are causing repeated spasms.
- Speech Therapy: For frequent cases, a speech therapist can teach you breathing techniques to control and prevent spasms.
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What Precautions Can Help Prevent Laryngospasm?
Prevention Tips for Laryngospasm
- Avoid known triggers like strong odors, smoke, or allergens
- Stay calm during episodes, stress can make it worse
- Treat acid reflux if you have it, as it can irritate the throat
- Drink warm fluids to soothe your throat
- Avoid shouting or straining your voice too much
Possible Complications of Laryngospasm
- Shortness of breath during an episode
- Panic or anxiety from the sudden breathing problem
- Sleep interruptions, especially if they happen at night
- In rare cases, it may cause fainting if breathing is blocked for too long
What is the Recovery Process After Laryngospasm Treatment?
Recovering from laryngospasm is usually quick, especially once the trigger is removed and breathing returns to normal. Here's what you can expect:
- Rest your voice for a day or two to avoid strain.
- Stay hydrated by drinking plenty of water.
- Avoid irritants like smoke, strong smells, or allergens.
- Use steam inhalation if your throat feels dry or tight.
- Follow your doctor's advice if medications were given.
- Watch for recurrence and note any triggers like acid reflux or stress.
- Attend follow-up visits if laryngospasms happen often.
Frequently Asked Questions
1. Is Laryngospasm life-threatening?
While most cases resolve quickly, severe Laryngospasm symptoms can lead to life-threatening respiratory failure if not treated promptly.
2. Who is at risk for Laryngospasm?
Individuals with GERD, asthma, or recent anaesthesia exposure are at higher risk for experiencing Laryngospasm symptoms.
3. How to manage laryngospasm properly?
To manage laryngospasm, stay calm and help the person sit upright. Encourage slow, deep breaths. If it doesn't stop quickly, seek medical help. Doctors may use oxygen, medications, or a breathing tube in serious cases. Learning what triggers it can help prevent future episodes.
4. How does laryngospasm affect babies?
Laryngospasm in babies causes sudden trouble breathing, often with noisy gasps or choking sounds. It can be scary but usually lasts only a few seconds. Comforting the baby and keeping them upright helps. If it happens often or lasts longer, talk to a doctor right away.
5. What is Laryngospasm and Anesthesia?
Laryngospasm can happen during or after anesthesia, when the throat muscles suddenly tighten, making it hard to breathe. Doctors are trained to handle this quickly. They may use medication or special techniques to relax the muscles and keep the airway open during surgery.
