The oxiuros or "Enterobius vermicularis" are parasites that only infect the humans and very frequently they affect all the people, but mainly to the children and children of 5 to 10 years
Although the infection that they cause is not serious and they are possible to be eradicated with facility, to be carrying of them is very, but very annoying.
These parasites are off-white, have extended form and measure approximately 1 cm. Live in the heavy intestine of the people and the females place eggs in the outside, around the anal orifice in where they are infectantes by a period of up to 20 days, later to happen to the intestine in where they are developed like adult parasites in a time interval between the 5 and 8 weeks.
The oxiuros are transmitted of person to person or by car I infect, when the hands are not washed suitably after going bathroom and they take to the mouth. This is the most frequent form of I infect between the children. Also I infect is possible to be given when inhaling the huevecillos that are in the air.
Thus, these parasites, follow a cycle that goes of the following form:
- the eggs are introduced to the body through the mouth by the contaminated hands of the same person or others or by air.
- the eggs arrive at the intestine, in where they mature and after eight weeks they are transformed into adult parasites.
- the females arrive at the periphery of the anus and deposit the eggs causing much comezón.
- When rascar themselves and taking the fingers to the mouth, the cycle is reinitiated.
The most important symptom when having oxiuros, is intense comezón that takes place mainly in the anal zone at night, which also affects much the dream.
In the women, also much appears comezón in the genitals, since they penetrate to the vagina, also originating vulvovaginitis, an infection that is pronounced by inflammation, comezón and flow with bad scent.
These parasites do not cause diarrea, atópica dermatitis, rechinido of teeth when sleeping, upheavals of conduct or problems with the control of sphincters, but peculiarly, often these problems disappear when the parasite is eradicated of the body and the treatment is adapted.
The diagnosis is easy to establish by the symptom that appears, nevertheless a coproparasitoscópico analysis of fecal matter can confirm it. For it, it is needed to collect during several days the fecal matter in a bottle that contains formol and that the laboratory can provide. Another form to confirm its presence is making a culture when taking several samples directly from the anus, with the purpose of detecting the presence of huevecillos.
The treatment that the doctor recommends and that will be with antiparasitantes medicines and will have to be taken by all the family. It is important also to warn the friends and companions of school in case of being young, so that they take preventive measures and they avoid I infect.