What is Diarrhea?
Diarrhea is an intestinal disorder characterized by abnormal
fluidity and frequency of fecal evacuations, generally the result
of increased motility in the colon; may be an important symptom of
such underlying disorders as dysenteric diseases, lactose
intolerance, GI tumors, and inflammatory bowel disease.
Diarrhea is the passage of watery stools, usually at least three
times in a 24 hour period. However, it is the consistency of the
stools rather than the number that is most important. Frequent
passing of formed stools is not Diarrhea. Babies fed only
breastmilk often pass loose, "pasty" stools; this also is not
Diarrhea. Mothers usually know when their children have
Diarrhea
and may provide useful working definitions in local situations.
Clinical types of Diarrheal diseases
It is most practical to base treatment of Diarrhea on the
clinical type of the illness, which can easily be determined when
a child is first examined. Laboratory studies are not needed. Four
clinical types of Diarrhea can be recognized, each reflecting the
basic underlying pathology and altered physiology:
* acute watery Diarrhea (including cholera) which lasts several
hours or days:
the main danger is dehydration; weight loss also occurs if feeding
is not continued;
* acute bloody Diarrhea (also called dysentery):
the main dangers are intestinal damage, sepsis and malnutrition;
other complications, including dehydration, may also occur;
* persistent Diarrhea (which lasts 14 days or longer):
the main danger is malnutrition and serious non-intestinal
infection; dehydration may also occur;
* Diarrhea with severe malnutrition (marasmus or kwashiorkor);
the main dangers are: severe systemic infection, dehydration,
heart failure and vitamin and mineral deficiency.
The management of each type of Diarrhea should prevent or treat
the main danger(s) that each presents.
Why is Diarrhea dangerous?
Diarrhea causes rapid depletion of water and sodium - both of
which are necessary for life. If the water and salts are not
replaced fast, the body starts to "dry up" or get dehydrated. If
more than 10% of the body's fluid is lost death occurs.
Severe dehydration can cause death.
Despite many advances, Diarrheal diseases and the resulting
dehydration are responsible for about 2.2 million child deaths
every year. Of these, approximately
*
50% are due to watery Diarrhea and occur
- either because of lack of access to ORS and/or health
facilities,
- or because of incorrect case management (home or health
facility).
*
The remainder are accounted for by persistent Diarrhea
(approximately 35%) and dysentery (approximately 15%).
Diarrhea is caused by bacteria or viruses. Children who are
malnourished suffer much more; in turn, Diarrhea weakens children
and makes them more malnourished. Diarrhea is also a major cause
of child malnutrition.
How can Diarrhea be prevented?
Diarrhea can be prevented by pursuing multisectoral efforts by:
* improving access to clean water and safe sanitation
* promoting hygiene education
* exclusive breast-feeding
* improved weaning practices
* immunizing all children; especially against measles
* using latrines
* keeping food and water clean
* washing hands with soap (the baby's as well) before touching
food
* and by sanitary disposal of stools.
The above is most important message that can help parents
governments and communities to prevent almost all of these deaths
and most of the malnutrition caused by Diarrhea.
The key factors are unclean water, dirty hands at mealtime and
spoilt food.
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