The opinion that parasitic infection is always accompanied by a characteristic clinical picture is erroneous.Often, helminth infestation occurs in the absence of disturbing symptoms.If treatment is not carried out in a timely manner, it can lead to very disastrous consequences, including: intoxication of the body, diseases of the digestive system and other internal organs.Parasite detection tests will help determine the presence of foreign organisms and choose the best treatment option.Systematic research is necessary for adults and children.
Timely testing will help avoid various complications when the body is affected by parasites.
Indications for testing
In the vast majority of cases, infection of the body with parasites is accompanied by characteristic symptoms, which are quite difficult not to notice.But in the initial stages of helminthic infestation, the clinical picture can be practically insignificant.The presence of protozoa in the human body during this period can only be determined through parasite testing.
Among the main indications, the presence of which literally forces a person to be tested for parasites, are:
- Itching in the anal region, particularly disturbing at night, due to the fact that parasites have laid eggs.
- Digestive disorders, expressed in the appearance of constipation, diarrhea, nausea, vomiting, heartburn.
- Fatigue, lethargy, weakness.
- Decreased immunity and body resistance, susceptibility to infectious and viral diseases.
- General malaise, pale skin of the face and body, caused by a lack of beneficial microelements in the body, which are absorbed by parasites.
- Lack of appetite or, on the contrary, excessive desire for food.
- Weight reduction to critical levels.Typically, this only happens if the parasites have already infected the body for a long time and the number of individuals is close to critical.
Due to non-compliance with basic rules of personal hygiene, children of the younger age group are more susceptible to infection with parasites.But parasites in adults are also possible.It is much easier to become infected with helminths than many people realize.
To avoid complications and worsening of the condition, it is recommended that exams be carried out at least once or twice a year.It is advisable to carry out the study in the summer and autumn periods, as it is during this period that the peak incidence most frequently occurs.
Variety of effective methods
Modern practical medicine offers a wide range of various tests for the presence of various parasites in adults and children, each of which has clear advantages and disadvantages.To obtain the most reliable result possible, it is advisable to carry out several types of tests simultaneously.This approach will help identify parasites even in the early stages of infection.
Among the most effective and frequently used methods are the following:
- stool analysis;
- hemolymph analysis;
- smear or scraping examination.
In some cases, when a helminthic infestation is detected, several additional studies are necessary.Methods such as computed tomography, x-ray examination and ultrasound examination can be used.The need is due to the fact that the activity of parasites often leads to damage to internal organs and the development of cumulative diseases.
Blood test
A blood test to detect the presence of almost all types of parasites in the body is the most reliable compared to other methods and allows you to detect infection even in the early stages.Among the most used is the enzyme immunoassay, which is based on identifying changes in the composition of the hemolymph caused by parasites.
Characteristic pathological changes in the blood are caused by the release of waste products by parasites and subsequent intoxication of the body.In response to such factors, the body's immune system begins to produce antibodies.It is their quantity that determines the degree of helminthic infestation or its absence.
A study of the blood composition makes it possible to identify not only the presence of helminthic infestation, but also the types of parasites, their approximate quantities and the degree of damage to the body.To obtain more accurate results, it is recommended to follow some rules regarding the blood donation procedure: it is best to collect the biomaterial on an empty stomach and only in the morning.
The reliability of the enzyme immunoassay is around 90% and allows the identification of the largest number of known species of parasites.In addition, one of the advantages of studying hemolymph is the ability to identify protozoan microorganisms that parasitize not in the intestine, but in other organs, for example, lungs or liver.
Stool analysis
Most often, traditional stool analysis is used to identify parasitic individuals in the human body.This method is only reliable if at least 60 to 90 days have passed since infection.Furthermore, the results of a fecal examination can only reveal the presence in the body of types of parasites that can parasitize only in the intestines, these are: nematodes, worms, tapeworms.
As a rule, the analysis for parasites in feces is carried out at least two to three times with an interval of several days.This measure is necessary to obtain more reliable results.Carrying out a single study often gives false negative results, due to the specifics of the life cycle of parasitic individuals.
The analysis procedure includes examining feces for eggs, larvae and adults.If at the time of fecal collection there were no parasite eggs in the biomaterial, the test will be false negative despite the real presence of parasitic infection.To increase the probability of obtaining reliable results, it is recommended to follow a series of basic rules when sending biomaterials:
- Stool collection must be carried out in the morning, no later than 11 am local time.
- The optimal mass of biomaterial is one third of the standard container for analysis, which can be purchased at any pharmacy, but less may be required.
- This test is performed when the patient's body and the skin around the anus itch.This sign indicates that in addition to parasites, helminth eggs are also present in the human body.
- It is advisable to send the biomaterial to the laboratory within a maximum period of 30 to 40 minutes from the moment of collection.In this case, the results will be as reliable as possible.If this is not possible, the biomaterial must be stored refrigerated.
Fecal tests to detect any parasites should be performed in combination with other types of tests to identify helminths.Only examination using two or more methods will provide reliable results.It is advisable to repeat the parasite analysis to detect helminthic infestations at least once a year.Additionally, you should be tested for parasites if any eating disorders occur.
Scraping exam
The study of scraping tissue folds from the anus is one of the simplest and least reliable.Determining whether there is a parasite in the body in this way is only possible if the time of collecting the material coincides with the period of egg laying in parasitic individuals.However, this method is most often used to detect helminthic infestations in children of the younger age group.
During the procedure, biological material is collected from the folds of tissue in the subject's anus with sterile tape or cotton swab.To obtain more reliable results, it is recommended to perform the analysis at least three to four times.
Research reliability
Obtaining reliable results when carrying out any tests for the presence of parasites initially requires compliance with all rules regarding the collection of test material.Furthermore, it is recommended that at least two types of research be carried out simultaneously, through which it is possible to identify individuals that parasitize not only the intestine, but also other organs and tissues.
Less effective in terms of reliability include stool examination and anal scraping.This is due to the fact that the results of these tests can be false negatives, both due to the absence of eggs and adults in the feces, and due to the elementary inattention of the laboratory assistant who performs the analysis.
How to check the presence of helminths in the body to obtain more accurate results?Which parasite tests are most reliable?To promptly identify helminths and start using appropriate therapy, it is necessary to follow a number of basic rules:
- The procedure for carrying out any tests must be carried out in accordance with the prescribed standards.
- It is advisable to repeat any type of study at least twice with an interval of several days.
- It is advisable to collect biomaterial for stool analysis when symptoms such as itching and burning in the anus appear
It must be remembered that an adult must be examined once a year.Children, especially younger age groups, are at risk, so the child should be examined at least once every three months.
Cost of the procedure
The procedure for examining biological materials for the presence of parasites in the body can be carried out in almost all medical institutions, both public and commercial.But it should be noted that blood tests to determine parasites are not carried out in all clinics, while simpler tests are carried out almost everywhere.
How much can this type of research cost?The cost of a blood test can vary significantly depending on the region and type of medical center.The cost of the stool test is slightly lower.
Periodic examination of biological materials is an important and necessary measure.Timely identification of parasitic individuals will eliminate intoxication from the body and promptly apply therapy.Lack of adequate treatment can lead not only to intoxication, that is, to poisoning the body with helminth residues, but also provoke the development of inflammatory diseases of internal organs.