Any one of various preparations that contain ANTIBODIES which combine and neutralise the eﬀects of a particular toxin (see TOXINS) released into the bloodstream by BACTERIA. Examples are the toxins produced by DIPHTHERIA and TETANUS. Antitoxins are produced from the blood of humans or animals that have been exposed to a particular toxin – whether by INFECTION or by INOCULATION – and thus have produced antibodies against it. They are usually given by intramuscular injection.
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