Pinworms - Enterobius vermicularis - threadworms by White Shark ..... Ask White Shark
Date: 11/10/2013 3:46:33 AM ( 8 years ago ago)
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If the sensation usually comes during night (between 23:00 and 5:00)
then what you have is called Pinworms - Enterobius vermicularis.
It is a tiny white roundworm also called threadworms.
It is so small that it is hard to see it in stool.
Pinworm eggs can be collected and examined using the “tape test” as soon as the person wakes up. This “test” is done by firmly pressing the adhesive side of clear, transparent cellophane tape to the skin around the anus. The eggs stick to the tape and the tape can be placed on a slide and looked at under a microscope. Because washing/bathing or having a bowel movement can remove eggs from the skin, this test should be done as soon as the person wakes up in the morning before they wash, bathe, go to the toilet, or get dressed. The “tape test” should be done on three consecutive mornings to increase the chance of finding pinworm eggs.
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.
How to kill pinworms?
As soon as you feel worm wiggling in your anus, you take a rectal syringe
with 10-40% Clarkia diluted in water and you empty the syringe into your rectume. It kills pinworms instantly.
Reinfection can occur easily so strict observance of good hand hygiene is essential (e.g. proper handwashing, maintaining clean short fingernails, avoiding nail biting, avoiding scratching the perianal area).
Daily morning bathing and daily changing of underwear helps removes a large proportion of eggs. 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.
Should family and other close contacts of someone with pinworm also be treated for pinworm?
Yes. The infected person and all household contacts and caretakers of the infected person should be treated at the same time.
Pinworm female produces huge number of eggs, which can be everywhere in your house, that is why you may have re-occuring infection.
In humans, enterobius vermicularis causes enterobiasis, whose primary symptom is itching in the anal area, especially during night. Infected people can actually feel female worms wiggling in anus, while trying to get out.
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 around anus.
It is estimated that pinworms infect more than 400,000,000 people throughout the world (10% of humans), and in many areas of the world (e.g., North America and Europe) it is the most common nematode parasite of humans.
On a world-wide basis, however, Ascaris lumbricoides ranks #1 infecting more than 1,000,000,000 people (25% of humans).
How is pinworm infection spread?
Pinworm infection is spread by the fecal-oral route, that is by the transfer of infective pinworm eggs from the anus to someone’s mouth, either directly by hand or indirectly through contaminated clothing, bedding, food, or other articles.
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 sometimes can become airborne and ingested while breathing.
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