Top Ten Worst Foreign Bodies to Have Inside the Human Body

Foreign bodies or objects are objects not belonging to the human body and are unintentionally/intentionally ingested, inhaled, or embedded on the skin. In the list, we rank top ten of among one of the worst & dangerous foreign bodies considered up from dangerous to even fatal.
The Top Ten
1 Batteries

This applies to most types of batteries but specifically to button batteries, which are often ingested by small children and mentally disabled individuals. In most cases, ingestion is serious and potentially deadly. These batteries are dangerous because they can cause internal burns and injuries from harmful chemicals when ingested, leading to possible death if not treated immediately. Unfortunately, the ingestion of batteries is becoming relatively common. If you have button batteries in your home, it is highly recommended to place them out of reach if you live with small children.

2 Magnets

Magnets pose a significant danger, especially when more than one is ingested. Swallowing two or more magnets, particularly strong ones, can result in severe complications, such as bleeding and intestinal injuries, due to the magnets attracting each other inside the intestines. This can be potentially fatal or cause permanent damage if not treated promptly.

One isn't dangerous. Swallow multiple, and you'll experience a severe intestinal blockage.

What's funny is we use magnets to help animals that have ingested metals while grazing.

3 Glass

Swallowing small or dull pieces of glass is generally less harmful. However, the form, shape, size, and chemical properties of the glass are crucial factors. If the glass is sharp or if large quantities of small shards are swallowed, or if it contains dangerous chemicals, it can cause injuries to internal organs. Sharp glass can tear the intestinal walls, leading to severe bleeding, which can be life-threatening or even fatal in some cases.

4 Screws

Ingesting screws is relatively common among children and other individuals with certain conditions or disabilities. Any sharp object, such as a screw, is dangerous when swallowed, as it can cause bleeding and intense pain. Screws are particularly dangerous when lodged internally, as they can lead to infections. Ingesting a screw is unsafe regardless of its size.

Imagine having a screw in your stomach, poking you all the time and possibly injuring your digestive system.

5 Fish Bones

In most cases, a small fish bone that gets stuck in the throat eventually passes through the digestive tract without issue. However, these bones can be dangerous if they are sharp and large enough, similar to a toothpick, as they pose a choking hazard and may get lodged in the throat. This can occasionally be resolved by drinking large amounts of water or swallowing a large piece of food such as bread or banana. However, in serious but rarer cases, medical attention is required as sharp bones may potentially lodge internally, puncturing or tearing tissue, which can be life-threatening.

6 Toothpicks

Although it is relatively uncommon, the ingestion of toothpicks and other wooden objects is dangerous. Toothpicks are sharp and indigestible, making them likely to cause severe injuries, extreme pain, and possible septic complications. Therefore, it is highly recommended to seek emergency care if such sharp objects are ingested.

7 Coins

Specifically smaller coins, such as pennies and dimes, are among the most common foreign objects swallowed by small children, posing a choking hazard. In some cases, small children can ingest and expel coins without much discomfort. However, coins can interfere with breathing depending on the size of the esophagus or the coin. In such cases, medical assistance may be required.

Yikes! Coins are dirty and disgusting. Please don't swallow one.

8 Splinters

Splinters are considered foreign bodies as they can enter and become lodged halfway or entirely inside the skin. They mainly consist of small wooden pieces. Splinters are often not lethal and can be removed either by hand or tweezers. However, they can be a nuisance, especially if embedded in the foot, and can cause infections if left in the skin for prolonged periods, especially if they contain bacteria.

9 Toys

It all depends on the product, size, shape, and properties of the toy or the part belonging to the toy. Smaller toys, such as a 1x1 Lego piece, are usually harmless and pass through the digestive tract. However, larger toys can pose a choking hazard to smaller children or cause significant damage if the toy is sharp.

10 Rusty Nail

This is a big one. Stepping on one of these can give you tetanus. Remember to always get your tetanus shot.

The Contenders
11 Scissors
12 Teeth
13 Microplastics
14 Bottle Caps

Depending on their size, bottle caps are usually round but may have edges. Beer bottle caps, in particular, are rarely swallowed unintentionally by adults. If they get stuck in the esophagus, they can cause pain. Although some bottle caps may pass through the digestive tract, those with sharp edges can cause damage and often require medical treatment.

15 A Belt

There was a person who had a belt inside their body and had it removed, but it was very painful, and they had a lot of trouble breathing. Yikes!

16 Rubber Bands
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