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They can live for up to 6 weeks.
At night, female worms come outside to lay eggs in the skin around your anus. If you scratch the area, the eggs get on your fingers or under. After a few weeks, the female pinworms move to the end of the large intestine, and they come out of the body at night to lay their eggs around the anus (where.
The female worm lays many tiny eggs around the anus. This usually happens at night while the person is asleep since the female worms only come out at night. While laying the eggs, the worm also produces a chemical that creates an itchiness and causes the person to scratch the area. Eggs then stick under the fingernails and on fingertips and can be transferred to the mouth.
They may then be swallowed and cause a re-infestation. The swallowed eggs hatch in the intestine. After a couple of weeks, the worms reach adult size and begin to reproduce. You cannot catch threadworms from animals with worms.
The only way animals may be responsible for spreading human threadworms is by transporting them on their fur after human contact. Treatment for threadworms is designed to get rid of the parasites and prevent re-infestation. To successfully treat threadworms, you can see your doctor or pharmacist who will be able to advice on medication for you or your child. It is commonly advised to treat the entire family at the same time to successfully get rid of the infection. When taking medicine, you should also ensure you follow strict hygiene practices to prevent re-infestation.
Infections and Parasites Send by email View as PDF Send by post Threadworms, also called pinworms, are tiny, very thin white worms about 5 millimetres long that live in the intestine and around the anus bottom. Read more on Queensland Health website. Threadworms are tiny parasitic worms that can infect your large intestine. The most common type of infection in Australia is Enterobius vermicularis and is particularly common in children.
Read more on WA Health website. Threadworms do not go away by themselves, so they must be treated in order to eradicate them. Read more on myDr website.
Worms are bowel parasites - threadworm is the most common - worm eggs can survive up to 2 weeks in the environment and infect other people. Read more on SA Health website. Cutaneous larva migrans is an itchy localised skin infestation caused by the penetration and migration of animal hookworm larvae through the skin.
Threadworms produce large numbers of microscopic eggs. These eggs are present in house dust and stick to clothes, carpets and bedding.
They can also be transmitted through contact with a person who is already infected with worms. It is very easy for people to ingest the eggs because the worms produce so many of them and they are so small. A few weeks after hatching out these worms can reproduce — usually about a month later. When the worms are fully grown, the female comes out onto the skin around the bottom at night and lays eggs.
The worms can also often be seen on bowel movements or around the anus especially at night. Some children have no symptoms at all, but some of the other signs of threadworm infection your child may show are:. Threadworms do not go away by themselves, and people do not build up immunity to them, so they must be treated in order to eradicate them totally from the body.
They are more embarrassing than anything else, because they can cause an irresistible urge to scratch the bottom. However, scratching can aggravate the problem and make it more difficult to treat. If you think your child has worms you should see your doctor, who may do tests to diagnose the condition and identify the type of worm involved.
Fortunately treatment for threadworms is very easy. Usually only one or 2 doses of a medication is needed to kill the infestation — once initially and then a second dose repeated 2 weeks after the initial dose if required. Many anti-worm preparations, for example pyrantel brand names include Anthel and Combantrin and mebendazole e. Vermox can be bought over-the-counter at pharmacies, but some are only available on prescription, such as albendazole Zentel.
Some anti-worm medicines are unsuitable for pregnant women or children aged less than months. See our fact sheet Vulvovaginitis. You may be able to see threadworm if you examine your child at night. You might see tiny white threads that may be moving. It is estimated that one female threadworm can lay up to 16, eggs.
Threadworm is spread when children scratch their bottom, causing the eggs to collect under the fingernails. The child then carries the worm eggs back to their mouth with their hands. The eggs can also be spread indirectly, in food, dust, or other items. The eggs can survive up to two weeks outside the body. You can talk to a pharmacist about over-the-counter treatment options. Drugs such as pyrantel Combantrin or mebendazole Banworm are very safe and often recommended. Follow the instructions on the packet, bearing in mind special precautions may be given for children under two years of age and for pregnant women.
Unfortunately, repeat threadworm infection is very common. To help reduce this and to prevent the threadworms from spreading to others, you can take the following precautions:. If you have tried a threadworm treatment for your child and their symptoms have not improved, take them to your GP. The doctor will examine your child and may want to do blood or faeces poo tests.
This is not a common way of getting pinworms, though. So, to prevent re-infection, make sure that: Fortunately treatment for threadworms is very easy. Clean surfaces in your house that your children may touch, in particular door handles. Humans cannot catch threadworm from animals. Back to Health A-Z.
Also take your child to the GP if:. No, ringworm is not actually a worm at all.
It is a fungus that needs to be treated with anti-fungal medication. We acknowledge the input of RCH consumers and carers. To donate, visit www.