The present invention relates to a method of inhibiting a toxin in an animal,
such as a human, by administering to the animal a therapeutically effective amount
of a polymer having a plurality of pendant acid functional groups which are directly
attached to the polymer backbone or attached to the polymer backbone by a spacer
group. The spacer group can have a length in the range from 0 to about 20 atoms.
The toxin is, typically, an exotoxin secreted by a pathogenic microorganism, such
as a bacterium.