From Wikipedia,
the free encyclopedia
An adverse drug reaction
(abbreviated ADR) is a term
to describe the unwanted, negative
consequences sometimes associated
with the use of
medications. ADR is a
particular type of
adverse effect. The term is
preferred over the colloquial and
imprecise "side effect" as "side
effect" implies the potential for
beneficial consequences.
While ADR is probably the most
precise term to describe the
concept, it is not widely used in
the community since it may be
perceived as
jargon and because of the
negative-associations with the
term "drug".
Alternative terms with equivalent
meaning to ADR include:
side effect, adverse event,
adverse effect, etc.
There are many types of ADRs:
