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A pinworm can be caused by biting (or chewing) your fingernails when they are dirty. The pinworm (Genus Enterobius) is a parasitic roundworm. The adult pinworm male is 1-4 mm in length, while the adult female is 8-13 mm. The human pinworm is commonly found in children. The pinworm lives in the lower part of the small intestine and the upper part of the colon. It is found worldwide, and causes the most common infection enterobiasis in humans. It being estimated that over 200 million people are infected annually. After mating, the male dies. The female migrates to the anus and emerges, usually during the night, to deposit about 10,000 to 20,000 eggs in the perianal area (around the anus). She then secretes a substance which causes a very strong itching sensation, inciting the host to scratch the area and thus transfer some of the eggs to the fingers. Eggs can also be transferred to cloth, toys, and the bathtub. Once ingested orally, the larvae hatch and migrate back to the intestine, growing to maturity in 30-45 days. The eggs can survive for 2 to 3 weeks on their own outside of the human body. In some cases, the larvae will hatch in the peri-anal area and travel back inside the anus, up the rectum, and back into the intestines where they mature.

Anti-pinworm drugs are available, but only kill the adult pinworms not the eggs. One may have to get treated for weeks to get rid of the pinworms and it is a safe practice to treat the entire family of people for pinworms.

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17y ago

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Related Questions

What causes pin worm?

Pinworms are caused by ingesting the eggs of pinworms.


What affect does candy have?

It causes more pinworms pinworms like cany you should eat raw eggs and eat sea food.


Pinworms are what type of animal?

Pinworms belong to the Nematode group of worms.


Is it bad if you have pinworms?

Pinworms invade the intestinal tract of the species which they inhabit. Pinworms are serious and can cause organ damage.


Is it possible to not notice pinworms?

It is possible for you to not notice your pinworms until they get very bad. Usually when you find your pinworms, the disease is coming to an end. The pinworms usually last for under 3 weeks WITH TREATMENT. I would recommend treating your pinworms, if not they last much longer.


Can dogs spread pinworms?

The myth of dogs catching pinworms hence is incorrect. Generally dogs get infected with tapeworms which are mistaken for pinworms.


What is the difference between parasites and pinworms?

Pinworms are a type of parasite that specifically infect the intestines. Parasites, on the other hand, is a broader term that refers to organisms that live on or inside another organism (host) to obtain nutrients. Pinworms are a type of parasite, but not all parasites are pinworms.


What are some of the symptoms that one might have pinworms?

The symptoms of pinworms include an itchy or scratchy rectal area. Generally, this can be worse at night when the worms deposit their eggs. Pinworms can be quite a common thing.


Can pinworms get you pregnant?

no, it cant


Can little girls get pinworms and can they get hurt from them?

Yes, pinworms can affect any age. The pinworms make the skin itch and break open. A doctor needs to see the area and prescribe medication to get rid of the worms.


Who or what can get pin worms?

Anyone can get pinworms, but they are most common in children. Pinworms are parasites that live in the digestive tract of humans. The spread of pinworms can be prevented by diligent hand washing, especially after using the bathroom and before eating.


If it's not pinworms what is it?

It could be tape worms that could die or most probably threadworms that are just another name for pinworms.