More Useless Diarrhea Drugs

When are antidiarrheals indicated? They should beeffectiveness.
taken only upon the advice of a doctor. He or she"Strictly speaking, attapulgite is not even a generic
should evaluate the cause of persistent or chronicname - Martindale's Extra Pharmaco­poeia
diarrhea which may be brought about by a seriousdefines attapulgite as a ‘hydrated magnesium
underlying disorder.aluminum silicate. It also contains traces of calcium and
Over-the-counter (OTC) products may be tried foriron.’ Its properties are similar to light kaolin,
relief but they should not be used for more than twowork­ing mainly as an adsorbent,"
days nor should they be given to young children.ac­cording to The Drug Monitor, a publication of
"If an attack of diarrhea does not subside in athe Health Action Information Network.
day or if diarrhea is accompanied at any time byIn theory, adsorbents clean the gut by attaching
fever, severe abdominal pain, or bloody stools,themselves to toxins, but the World Health
self-medication is not advisable, and the patient shouldOrganization (WHO) said their ef­ficacy has never
consult a physician. In any case, a person sufferingbeen proven.
from di­arrhea should drink plenty of liquids toOther adsorbents like kaolin and pectin, while safe, are
offset loss of fluids in the watery stools. Decreasingalso ineffective in the treatment of diarrhea. They do
the amount of roughage (or bulk pro­ducers) inmake the stools firmer but WHO has discouraged their
the diet - for example, cutting out most raw fruits anduse for acute diarrhea.
raw vegetables - plus the time-honored reliance on rice"Adsorbents have no demon­strated effect
and ba­nanas, may reduce the severity of theon either duration or severity of diarrhea. While not
attack," said Consumers Union's medicalapparently harmful, they detract from more important
consultants in “The Medicine Show.”therapy and should be avoided," said J.B. Rhode
Popular OTC medications for diarrhea includein “Selective Primary Health Care: Strategies for
attapulgite and kaolin and pectin. Both areCon­trol of Disease in the Developing
ques­tionable ingredients.World” published in Reviews of Infectious
Attapulgite supposedly works by reducing the numberDiseases. (Next: Are prescription drugs for diarrhea
of bowel movements but medical authorities doubt itssafe?