Pinworms are about the length of a staple. While an infected person sleeps, female pinworms leave the intestine through the anus and deposit their eggs on the surrounding skin.
Pinworm infection called enterobiasis or oxyuriasis causes itching around the anus which can lead to difficulty sleeping and restlessness. Symptoms are caused by the female pinworm laying her eggs.
Symptoms of pinworm infection usually are mild and some infected people have no symptoms. Pinworm infection occurs worldwide and affects persons of all ages and socioeconomic levels. It is the most common worm infection in the United States. Pinworm infection occurs most commonly among.
Pinworm infection often occurs Lays eggs around the anus more than one person in household and institutional settings. Child care centers often are the site of cases of pinworm infection. Pinworm eggs become infective within a few hours after being deposited on the skin around the anus and can survive for 2 to 3 weeks on clothing, bedding, or other objects.
People become infected, usually unknowingly, by swallowing ingesting infective pinworm eggs that are on fingers, under fingernails, or on clothing, bedding, and other contaminated objects and surfaces. Because of their small size, pinworm eggs can become airborne and ingested while breathing.
Pinworm infections are rarely spread through the use of swimming pools. Pinworm infections occur when a person swallows pinworm eggs picked up from contaminated surfaces or fingers. Although chlorine levels found in pools are not high enough to kill pinworm eggs, the presence of a small number of pinworm eggs in thousands of gallons of water the Lays eggs around the anus typically found in pools makes the chance of infection unlikely. During this treatment time and two weeks after final treatment, it is a good idea to avoid co-bathing and the reuse or sharing of washcloths.
Showering may be preferred to avoid possible contamination of bath water. Careful handling and frequent changing of underclothing, night clothes, towels, and bedding can help reduce infection, reinfection, and environmental contamination with pinworm eggs. These items should be laundered in hot water, especially after each treatment of the infected person and after each usage of washcloths until infection is cleared.
Humans are considered to be the only hosts of E. Diagnosis is made by identifying the worm or its eggs. Worms can sometimes be seen on the skin near the anus or on underclothing, pajamas, or sheets about 2 to 3 hours after falling asleep.
The eggs stick to the tape and the tape can be placed on a slide and looked at under a microscope. Because itching and scratching of the anal area is common in pinworm infection, samples taken from under the fingernails may also contain eggs. Pinworm eggs rarely are found in routine stool or urine samples.
Pinworm can be treated with either prescription or over-the-counter medications. A health care provider should be consulted before treating a suspected case of pinworm infection.
Treatment involves two doses of medication with the second dose being given 2 weeks after the first dose. All household contacts and caretakers of the infected person should be treated at the same time. Reinfection can occur easily so strict observance of good hand hygiene is essential e. Daily morning bathing and daily changing of underwear helps removes a large proportion of eggs. The infected person and all household contacts and caretakers of the infected person should be treated at the same time.
Prevention always should be discussed at the time of treatment. Good hand hygiene is the most effective means of prevention. If pinworm infection occurs again, the infected person should be retreated with the same two-dose treatment. If pinworm infection continues to occur, the source of the infection should be sought and treated. Playmates, schoolmates, Lays eggs around the anus contacts outside the home, and household "Lays eggs around the anus" should be considered possible sources of infection.
Each infected person should receive the recommended two-dose treatment. Strict observance of good hand hygiene is the most effective means of preventing pinworm infection. This includes washing hands with soap and warm water after using the toilet, changing diapers, and before handling food.
Keep fingernails clean and short, avoid fingernail-biting, and avoid scratching the skin
Lays eggs around the anus the perianal area. Teach children the importance of washing hands to prevent infection.
Daily morning bathing and changing of underclothes helps remove a large proportion of pinworm eggs and can help prevent infection and reinfection. Careful handling avoid shaking and frequent laundering of underclothes, night clothes, towels, and bed sheets using hot water also helps reduce the chance of infection and reinfection by reducing environmental contamination with eggs. Control can be difficult in child care centers and schools because the rate of reinfection is high. In institutions, mass and simultaneous treatment, repeated in 2 weeks, can be effective.
Hand hygiene is the most effective method of prevention. Trimming and scrubbing the fingernails and bathing after treatment is important to help prevent reinfection and spread of pinworms.
This information is not meant to be used for self-diagnosis or as a substitute for consultation with a health care provider. If you have any questions about the parasites described above or think that you may have a parasitic infection, consult a health care provider. Skip directly to search Skip directly to A to Z list Skip Lays eggs around the anus to navigation Skip directly to page options Skip directly to site content. Recommend on Facebook Tweet Share Compartir. On this Page What is a pinworm?
What are the symptoms of a pinworm infection? Who is at risk for pinworm infection? How is pinworm infection spread? Can my family become infected with pinworms from swimming pools? My little kids like to co-bathe — could this be how they are becoming infected? How is pinworm infection diagnosed? How is pinworm infection treated? Should family and other close contacts of someone with pinworm also be treated for pinworm?
What should be done if the pinworm infection occurs again? How can pinworm infection and reinfection be prevented? Get Email Updates To receive email updates about this page, enter your email address: January 10, Page last updated: January 10, Content source: Global Health — Division of Parasitic Diseases.
While the infected person sleeps, female pinworms leave the intestinal tract and lay their eggs on the skin around the Lays eggs around the anus. The eggs are laid in a sticky. She slips out of her host's rectum "Lays eggs around the anus" lays eggs in the folds of skin around the edge of the anus. The eggs are deposited in a sticky, jelly-like substance that. Female pinworms lay eggs in the folds of skin around the anus and then return to the colon.
The presence of these eggs often causes anal.