Stridor: Causes, Diagnosis, and Treatments – Healthline
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What causes stridor? 14 possible conditions

Stridor is a high-pitched wheezing sound caused by disrupted airflow. Learn about causes and treatment.  Read more

See a list of possible causes in order from the most common to the least.

1

Choking Adult Or Child Over 1 Year

This condition is considered a medical emergency. Urgent care may be required.

Choking occurs when an object, food, or liquid becomes lodged in the throat. Emergency signs of choking include the inability to speak, cough, or breathe. Lips may start to turn blue from lack of oxygen.

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2

Diphtheria

Diphtheria is a bacterial infection that affects the throat and nose. Find information on diphtheria symptoms, causes, treatment, and prevention.

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3

Anaphylaxis

This condition is considered a medical emergency. Urgent care may be required.

Anaphylaxis can occur when you have a severe reaction to certain allergens. Learn what the symptoms are and what to do if this happens.

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4

Epiglottitis

This condition is considered a medical emergency. Urgent care may be required.

Epiglottitis is characterized by inflamed tissue in your epiglottis. It's a potentially life-threatening illness. The epiglottis is at the base of the tongue.

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5

Lung Cancer Overview

Lung cancer is a cancer that originates in the lungs. Lung cancer often goes undetected in the early stages, since symptoms don't usually present themselves until the advanced stages of the disease.

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6

Angioedema (Giant Hives)

Angioedema is severe swelling beneath the skin. Sometimes the swelling is accompanied by hives. Learn about angioedema symptoms, causes, and treatment.

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7

Tonsillitis

Tonsillitis occurs when the tonsils (the lymph tissue in your throat) become infected. Symptoms include sore throat, fever, and swollen tonsils. Fortunately, it's normally easily diagnosed and treated.

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8

Laryngitis

Laryngitis is when your voice box or vocal cords become inflamed from overuse, irritation, or infection. It comes in both acute and chronic forms.

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9

Deviated Septum

The nasal septum is a thin structure, separating the two sides of the nose. If it is not in the middle of the nose, then it is deviated.

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10

Croup

Croup is a viral condition that causes swelling around the vocal cords. It's most active in the fall and winter months and targets children under the age of 5.

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11

Small Cell Lung Cancer

Your lungs are two sponge-like, air-filled organs located on either side of your chest. When you inhale, your lungs absorb oxygen and send it to the bloodstream for use by your cells. Carbon dioxide, a waste product o...

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12

Chemical Burns

This condition is considered a medical emergency. Urgent care may be required.

Find information about chemical burns and how to prevent them. Learn about the causes, symptoms, and treatment of chemical burns.

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13

Non-Small Cell Lung Cancer

Non-small cell lung cancer (NSCLC) is the most common type of lung cancer. Swelling of the face is one potential sign of lung cancer.

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14

Transfusion Reactions

A transfusion reaction is a rare condition that occurs when a person receives a transfusion with blood that is not matched to their blood type. This may cause symptoms such as back pain, fever, fainting, or dizziness.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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