Symptoms of Giardia in children – signs, waysinfection, giardiasis diagnosis

Update: November 2018

By definition, the World Health Organization Giardiasis
it is a parasitic disease caused by protozoa –
Giardia.  Every year over 125,000 are found in Russia
cases of clinical manifestations of giardiasis, of which more than 70
percent is recorded in children and preschool and junior
school age.

Children under 5 years old have an infection rate according to some data.
reaches 40 percent, and this figure decreases with age. ABOUT
what are the symptoms of giardiasis in children, how the infection occurs and
how the disease is diagnosed, we will tell in our article.

Ways of infection with giardiasis

How is giardiasis transmitted? The source of infection is most often
is a person or animal because cats, dogs, marine
pigs and other mammals are also lamblia carriers.
ABOUTсновной механизм заражения этим видом инвазии орально — фекальный,
and the pathogen is spread by water, food and contact.
In other words, not respecting the rules of personal hygiene, use
unboiled water, unwashed food, unsanitary conditions
residence are the causes of the spread and infection
giardiasis of children and adults.

Signs of giardiasis in children

Many of us think that giardiasis is a worm infestation, and
although the ways of infection with Giardia and worms are the same, giardiasis is
not worms, these are unicellular protozoa. When ingested
they can quickly multiply and provoke development
various diseases such as pancreatitis, cholecystitis, enteritis,
intestinal dysbiosis and other gastrointestinal diseases.

The habitat of Giardia in the human body is considered thin
intestine, and if easily digestible predominate in the host’s diet
carbohydrates, the growth of these protozoa increases, if the lambliocarrier
consumes a large number of proteins, their reproduction and
vital activity slows down, fasting also inhibits development

Read also on the topic:

  • Nemozol with giardiasis
  • Gum disease in adults – symptoms
  • ABOUTстрицы у взрослых
  • ABOUTстрицы у детей

After infection, already on day 10-12 people can become a source
infection for others as it begins to excrete cysts
lamblia This period may last for several months or even
years, with periodic exacerbation and remission of the isolation process,
pauses between these periods can be up to 21 days.

The cunning of this disease is intermittent.
Giardia discharge, and during the examination is not always in the feces
cysts of these protozoa are found in the patient. Given this fact
if you suspect chronic giardiasis should be carried out
repeated examination or prefer serological
blood test.

In case of a single infection, invasion ends
independently in about six months. Infected person
represents the greatest danger to others after the termination
diarrhea, it is then that cysts stand out in the greatest amount.


Signs of Giardia in children

Over 20 percent of all acute intestinal infections in children
provoked by giardiasis. With an intensive increase in numbers
parasites in the intestines, toxins that are released can cause
symptoms of intoxication, allergic manifestations, nervous disorders
system in a child.

There are no specific symptoms of giardiasis in children, and
often the manifestation of invasion is very similar to other diseases
gastrointestinal tract, so parents need to know that
among children, giardiasis is widespread and possibly listed
Below the child’s ailments are associated with this type of invasion.
person:Симптомы лямблиоза у детей

Intestinal symptoms

these are the first symptoms of giardiasis in children, they are detected through
7-20 days after infection:

  • Frequent loose stools with foul odor of hydrogen sulphide, but not
    containing no impurities of mucus, blood, which distinguishes giardiasis from
    acute intestinal infections.
  • Cramping abdominal pain, they can be different
    intensity, depending on the severity of the disease
    pains can be light aching in nature, or be strong
    cramping, pain localization most often in the upper section
    belly and near the navel.
  • Nausea, less vomiting
  • Abdominal distention – this symptom is an integral part.
    diarrhea and pain with giardiasis. This is due to violations
    normal digestion, dysbacteriosis and excessive
    gas formation in the intestines.
  • These symptoms may disappear on their own in 15-20 days, and
    Giardiasis can either become chronic or spontaneously
    disappear after a few months, which depends on the degree
    infection and on the state of the child’s immune system.

Symptoms of general intoxication

With massive reproduction and release of a large number
Toxins in an infected child show signs of toxic
damage to the body, and also due to a reduction in the absorption of the necessary
The following symptoms appear in children:

  • Unmotivated weakness
  • Increase in body temperature to 37, 5 С
  • Loss of appetite, weight loss
  • ABOUTбезвоживание
  • Elevated fatigue
  • Pale skin due to anemia, the appearance of
    eye shadow
  • The tongue in children is most often coated with bloom, usually from the mouth
    unpleasant smell.

Neuropsychiatric disorders

in children can occur with prolonged chronic giardiasis,
such as:

  • Headache
  • Decreased concentration, memory impairment
  • Dizziness
  • Nervous tics, twitching, grimacing, obsessive

Allergic manifestations

frequent companion of chronic giardiasis in children. Allergic
reactions may be as follows:

  • Atopic dermatitis, urticaria (see neurodermatitis)
  • Itchy nose
  • Dry, peeling skin
  • Allergic dry cough, up to the development of bronchial
  • Allergic Conjunctivitis

Diagnosis of giardiasis in children

Pediatricians in our camp do not have much alertness about
disease such as giardiasis, so attentive parents
may self-suspect the appearance of clinical symptoms
giardiasis in a child, especially if he attends children’s groups,
there are pets in the family and the child often violates
basic rules of personal hygiene.

When examined in the general analysis of blood in chronic giardiasis
eosinophilia occurs, monocytosis can also be. One of the reasons
appearance of marked dysbiosis, giardiasis serves, while
decreases the number of lactobacilli and bifidobacteria, increases
the number of pathogenic staphylococci, streptococci, candid.

The most accurate factor indicating the diagnosis of giardiasis is
identifying cyst lamblia in the feces of the child. However, due to
undulating selection of parasites with feces, this method with
a negative result should not be taken as a 100% exception
of this disease. One of the modern diagnostic methods for
Today is the definition of specific antibodies to
Giardia, that is, immunoassay diagnostics. For chronic
giardiasis is considered informative determination by ELISA
IgG or IgA scores.

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