Choking happens when food or another object blocks the airway, making it hard or impossible to breathe. A person may show the universal choking sign by holding their hands at their throat. Knowing the signs and the first steps to get help can save time and keep everyone calmer.
Students should learn what to notice, when to call for help, and how to alert a trusted adult right away.
If someone can cough, speak, or breathe, the airway is only partly blocked, and coughing may clear it. If the person cannot speak, cough, cry, or breathe, it is a severe choking emergency and emergency help is needed immediately. A trained adult may use abdominal thrusts for a conscious adult or child over 1 year old, while infants need different care.
If the person becomes unresponsive, call emergency services and begin CPR only if trained to do so.
Understanding What to Do in a Choking Emergency
The airway is a short passage that carries air from the mouth and nose into the lungs. When people swallow normally, a small flap of tissue called the epiglottis helps direct food toward the esophagus, the tube that leads to the stomach. If food enters the airway, the body tries to protect itself with a strong cough.
A cough is useful because it creates a fast burst of air that may force the object out. This is why a person who is coughing effectively should usually be allowed to keep coughing while someone stays close and watches carefully.
A complete blockage is dangerous because the lungs cannot bring oxygen into the blood. The brain needs a constant oxygen supply. Within minutes, a person can lose consciousness and suffer serious injury.
Their face or lips may turn blue, gray, or very pale, depending on their skin tone. They may look frightened, make silent efforts to breathe, or suddenly become unable to respond.
These changes mean the situation is getting worse. Getting emergency help early matters because dispatchers can guide the caller while trained responders are on the way.
The right physical response depends on the person's age, size, and condition. Infants have small, delicate bodies, so they need a method designed for infants rather than the method used for older children or adults. Pregnant people and people with a larger body may need chest thrusts instead of abdominal thrusts.
A person who becomes unresponsive needs urgent emergency care. CPR can help move blood and oxygen through the body until help arrives, but it should be given by someone trained or guided by an emergency dispatcher. At school, the safest role for most students is to call for an adult, contact emergency services, bring the nearest first aid kit or AED if told to do so, and keep other people from crowding the area.
Good first aid includes knowing what not to do. Never put fingers into a choking person's mouth unless you can clearly see and easily remove the object. Searching blindly can push food farther down the airway or cause injury.
Do not give food or drink to try to wash the object down. After an object comes out, the person may still need medical attention, especially if they had severe symptoms, received thrusts, or keep coughing. Their throat or chest can be sore, and a small piece of food can sometimes remain in the airway.
Choking prevention is part of everyday safety. It matters during lunch, parties, sports trips, and meals at home. Hard candy, nuts, grapes, popcorn, chunks of meat, and small objects can be risky, especially for young children.
Adults should prepare food in age-appropriate sizes and keep small objects away from babies and toddlers. Eating slowly while seated lowers risk.
In a real emergency, staying focused is more helpful than panicking. Notice whether the person is getting air, get skilled help quickly, and follow the directions of trained adults or emergency dispatchers.
Key Facts
- Universal choking sign = hands held at the throat.
- Mild choking signs include coughing, speaking, or making sounds.
- Severe choking signs include inability to speak, cough, cry, or breathe.
- Call emergency services right away for severe choking, such as 911 in the United States.
- Do not do a blind finger sweep because it can push the object deeper.
- For prevention, sit while eating, chew well, and avoid talking or laughing with food in your mouth.
Vocabulary
- Airway
- The airway is the path air travels through the mouth, throat, and windpipe to reach the lungs.
- Choking
- Choking is when food or an object blocks the airway and makes breathing difficult or impossible.
- Universal choking sign
- The universal choking sign is holding both hands at the throat to show that a person may be choking.
- Abdominal thrusts
- Abdominal thrusts are first aid pushes given above the navel by a trained helper to help clear a blocked airway in a conscious adult or child over 1 year old.
- Emergency services
- Emergency services are trained responders who can be called quickly during a serious health emergency.
Common Mistakes to Avoid
- Slapping the back of someone who is coughing strongly is a mistake because coughing means some air is moving and the person may clear the blockage on their own.
- Putting fingers into the mouth to search for an object is a mistake because a blind finger sweep can push the object farther into the airway.
- Waiting to see if severe choking gets better is a mistake because a person who cannot breathe, speak, or cough needs emergency help right away.
- Using abdominal thrusts on an infant is a mistake because babies under 1 year old need special choking first aid with back blows and chest thrusts from a trained person.
Practice Questions
- 1 A student sees a classmate holding both hands at their throat and unable to speak. List the first 3 actions the student should take in order.
- 2 During lunch, a student talks while eating and coughs for 12 seconds but can still speak. Is this mild or severe choking, and what should nearby students do?
- 3 Explain why a person who can cough loudly is treated differently from a person who cannot cough, speak, or breathe.