This organism is spreading fast. Of these, the most common by far is the Enterobius vermicularis, also known as the threadworm, pinworm or seatworm. Please see my comment to the OP. These will range anywhere from 1 to 12 inches long. Alternatively, you could try to spot the eggs of the threadworm using the "adhesive tape test".
Itchy Anus - Black Specs in Stool
Karen points out that as the popularity of down in NEW sofas, pillows and comforters has risen, so have the online complaints about mite infestations. Follow steps in this section to get rid of mites in your home and yourself. A few days later the person may have diarrhea or a stomach ache. Common signs include an intense itchy feeling around the anus, usually at night or early in the morning. Gastro - a tummy bug Glandular fever Go find out - about allergies Go find out! BH Dr Kate says Getting worms doesn't mean that you're a dirty kid!
Worms - Hesperian Health Guides
Threadworms derive their name from their appearance, with the adult worms resembling fine pieces of white cotton. The first is by direct contact with an infected person. They insist they are in the back passage. They are common I children but they can as well affect any person of any age. I have a 15month old girl who hasnt slept a full night for me,i will try anything do you think she is too young for a worm dose. Ask a pharmacist for advice on treatment in the next day or so. If not, gently press it back in.
I have tried a few different treatments, but i don't think they have worked. Practice of proper and good hygiene even after the 6 weeks should help you to break the cycle of re infection and hence keep your intestines free from thread worms. The particles accumulated on the tape can be deposited on a glass slide which should be send to the laboratory for analysis. The bugs burrow into the skin lay white eggs like scabies the long black bugs may be adult makes the white round clear bits may be females and eggs are hard. To a bird, this fluke-filled eyestalk looks like a caterpillar.