The eggs can fall off the skin around the anus and stick to clothes, carpets and bedding, becoming airborne when these items are changed or disturbed, and then they may settle into house dust. The worms are caught by accidentally ingesting the eggs, which then hatch and infect the intestine.
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.
Finding the female worm or the eggs confirms the diagnosis of pinworms. To find a female worm: At night, the adult worms can sometimes be seen directly around the anal area or in pajamas.
They can be found in house dust, on toilet seats, bed linens and toys and in play areas in or outside the home. Although pinworms only grow in humans, the eggs can be carried in a pet's fur.
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 poop comes out). The amount of time that passes from when someone swallows the eggs until the worms lay new eggs is about 1 to 2 months.
A person is infected with pinworms by ingesting pinworm eggs either directly or indirectly. These eggs are deposited around the anus by the worm and can be carried to common surfaces such as hands, toys, bedding, clothing, and toilet seats.
You must do this straight away after getting up from bed. ❖ Change and wash underwear, nightwear (and bed linen if possible) each day. Avoid shaking clothes and linen as any eggs on them may be wafted into the air and be swallowed.
Change underwear and bedding daily.
This helps remove eggs.
In order to stop the spread of pinworm and possible re-infection, people who are infected should shower every morning to help remove a large amount of the eggs on the skin. Showering is a better method than taking a bath, because showering avoids potentially contaminating the bath water with pinworm eggs.
The worm may be seen around the anus or on the child's bottom. It is especially active at night or early morning. Rarely, the pinworm is seen on the surface of a stool. The pinworm's secretions are a strong skin irritant and cause the itching.
The eggs pass into the digestive system, where they hatch. About 1 to 2 months later, adult female pinworms lay eggs on the skin right around the anus, which makes the area itchy. Often, this happens at night.
What are pinworms? Pinworms are tiny, white, thread-like worms that live in the rectum. The worms crawl out of the anus (bum) at night and lay their eggs on nearby skin. Pinworms can be uncomfortable but they do not cause disease.
Bathe carefully every day. Be sure to clean the skin around the anus. This will remove pinworm eggs. Showers may be better than baths because you have less chance of getting water that has pinworm eggs into your mouth.
Scrub washable areas. Vacuum or brush upholstered furniture. Change the vacuum cleaner bag daily and seal it before throwing it away. so that they can take extra care with linens and hand washing.
When and for how long is a person able to spread the disease? A person will remain infectious for as long as there are worms laying eggs on the skin around his or her rectum. Pinworm eggs can remain infectious in an indoor environment for two to three weeks.
The worms die after about six weeks. Provided that you do not swallow any new eggs, no new worms will grow to replace them. So, if you continue the hygiene measures described above for six weeks, this should break the cycle of re-infection, and clear your gut of threadworms.
Change bed linen, towels and underwear daily for several days after treatment. Bedlinen and clothing should be machine-washed in hot water to ensure that all the eggs are killed. Vacuum and dust the house, paying particular attention to the bedrooms on a regular basis.
Nausea, vomiting, diarrhea, stomach/abdominal cramps, headache, drowsiness, dizziness, trouble sleeping, or loss of appetite may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
How long does pinworms last? The life cycle of a pinworm is 4 to 6 weeks. Without treatment, infestation will continue as long as fresh eggs are being swallowed, unless a person develops immunity to pinworms, which is unusual before age 15.
Pinworms spread easily. When people who are infected touch their anus, the eggs attach to their fingertips. They can spread the eggs to others directly through their hands, or through contaminated clothing, bedding, food, or other articles. The eggs can live on household surfaces for up to 2 weeks.
A. Pinworms can be a distressing nuisance and sometimes difficult to get rid of. Fortunately, this condition hardly ever leads to any serious illness. Pinworm infection is very common, occurring in children much more often than in adults.
The best time to do this is in the morning before bathing, because pinworms lay their eggs at night. Steps for the test are: Firmly press the sticky side of a 1-inch (2.5 centimeters) strip of cellophane tape over the anal area for a few seconds. The eggs stick to the tape.
Pyrantel pamoate is in most over-the-counter (OTC) treatments for pinworms. This includes Reese's Pinworm Medicine and Pin-X. Prescription-strength medications are also available. Your doctor may prescribe a two-dose treatment of mebendazole or albendazole to help you clear the infection.
Pinworms can usually be treated completely with two doses of over-the-counter medicine called pyrantel pamoate, available in the United States under the brand names Pin-X and Reese's Pinworm Medicine.