Swallowed Coin: When to Seek X-Ray for Gastrointestinal Concerns? - Gastroenterology and Hepatology

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Coin ingestion


If you accidentally swallowed a one-dollar coin while eating dumplings, should you go for an X-ray immediately, or can you wait to see if it passes? How long should you wait?

Xiao Jie, 40~49 year old female. Ask Date: 2023/07/21

Dr. Lin Minghui reply Gastroenterology and Hepatology


A 48-year-old female accidentally swallowed a one-dollar coin.
Generally, if the gastrointestinal tract is structurally normal without any narrowing issues, 95% of foreign objects will typically pass through the stool.
This can take 2 to 3 days or up to a week, depending on individual bowel habits.
To track the location of the swallowed object, an X-ray can be performed.
A small percentage of patients may worry about the object getting stuck in the esophagus, which can lead to symptoms such as difficulty swallowing, chest pain, and drooling.
If it gets lodged in the stomach, it may sometimes cause obstruction, leading to vomiting and loss of appetite.
If it is stuck in the intestines, it can occasionally result in intestinal obstruction or perforation.
It is recommended to get an X-ray, or alternatively, to wait and see if it will pass naturally, although sometimes it may pass with the stool and not be visible.
If any of the aforementioned symptoms occur, it is advised to seek emergency medical attention promptly.
Wishing you good health!

Reply Date: 2023/07/21

More Info


Swallowing a coin, especially a small one like a one-dollar coin, can be concerning, and it's important to know when to seek medical attention. In general, if you or someone else has swallowed a coin, the first step is to assess the situation based on symptoms and the time elapsed since ingestion.

If the person is asymptomatic—meaning they are not experiencing any pain, difficulty swallowing, or breathing issues—it's often acceptable to wait and see if the coin passes naturally through the gastrointestinal tract. Coins typically pass through the digestive system without causing harm, and most will be expelled in the stool within a few days. However, it's crucial to monitor for any changes in symptoms.

Here are some signs that would warrant immediate medical attention:
1. Persistent Abdominal Pain: If the person starts to experience abdominal pain that is severe or worsening, this could indicate that the coin is causing a blockage or injury.

2. Vomiting: If vomiting occurs, especially if it is persistent or contains blood, this is a sign that medical evaluation is necessary.

3. Difficulty Breathing or Swallowing: If the person has trouble breathing or swallowing, this could indicate that the coin is lodged in the esophagus or causing an obstruction.

4. Fever: A fever may suggest an infection or other complications, and medical evaluation would be warranted.

5. Signs of Gastrointestinal Bleeding: This includes blood in the stool or black, tarry stools, which could indicate bleeding in the gastrointestinal tract.

If any of these symptoms develop, it is advisable to seek medical attention immediately. In many cases, healthcare providers will perform an X-ray to determine the location of the coin and assess whether it poses any risk.
In the absence of symptoms, it is still a good idea to consult with a healthcare provider for guidance. They may recommend monitoring for a few days and suggest keeping track of bowel movements to see if the coin is passed. If the coin does not pass within a few days or if any concerning symptoms develop, an X-ray or further evaluation may be necessary.

It's also worth noting that while coins are generally not sharp and are unlikely to cause perforation, there is still a risk of complications, especially if the coin becomes lodged in the esophagus or intestines. Therefore, erring on the side of caution and seeking medical advice is always a prudent approach.

In summary, if you swallow a coin, monitor for symptoms and consult a healthcare provider if any concerning signs arise. If you remain asymptomatic, you can wait a few days to see if the coin passes naturally, but keep in mind that medical evaluation is important if symptoms develop or if there is uncertainty about the situation.

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