This article is missing information about Why this category exists: what kind of non-heterotrophic protozoan needs to be treated?.(October 2021)
Anti-protist or antiprotistal refers to an anti-parasitic and anti-infective agent which is active against protists. Unfortunately due to the long ingrained usage of the term antiprotozoal, the two terms are confused, when in fact protists are a supercategory. Therefore, there are protists that are not protozoans. Beyond "animal-like" (heterotrophic, including parasitic) protozoans, protists also include the "plant-like" (autotrophic) protophyta and the "fungi-like" saprophytic molds. In current biology, the concept of a "protist" and its three subdivisions has been replaced.
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