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'''Endectocide''' is a term used in the field of [[veterinary medicine]] and [[parasitology]] to describe a class of [[antiparasitic drug]]s that have a broad spectrum of activity against internal and external parasites. These compounds are effective against a wide range of parasites, including [[nematodes]] (roundworms), [[ectoparasites]] such as [[ticks]], [[fleas]], and [[mites]], and some also have activity against certain species of [[endoparasites]], like [[heartworms]]. The dual action against both ecto- and endoparasites makes endectocides particularly valuable in veterinary practice for the treatment and control of mixed parasitic infections.

==Mechanism of Action==
Endectocides work by interfering with the nervous system of parasites. Most endectocides are agonists of the [[glutamate-gated chloride channel]]s (GluCl) or modulators of other [[chloride channels]], which leads to an increase in the permeability of the cell membrane to chloride ions. This influx of chloride ions causes hyperpolarization of the nerve or muscle cell, resulting in paralysis and death of the parasite. Some endectocides, such as those in the [[macrocyclic lactone]] class, which includes [[ivermectin]], [[moxidectin]], and [[selamectin]], also have activity against certain types of bacteria and viruses, although this is not their primary use.

==Uses==
Endectocides are widely used in veterinary medicine for the prevention and treatment of parasitic infections in domestic animals, including [[dogs]], [[cats]], [[horses]], and [[livestock]] such as [[cattle]], [[sheep]], and [[pigs]]. They are administered in various forms, including injectables, oral formulations, and topical treatments. In addition to their use in animals, some endectocides, particularly ivermectin, have been used in humans for the treatment of certain parasitic infections, such as [[onchocerciasis]] (river blindness) and [[lymphatic filariasis]].

==Safety and Resistance==
While endectocides are generally safe when used according to the prescribed dosages, they can have adverse effects, especially in certain breeds of dogs that are sensitive to these drugs due to a genetic mutation (MDR1 gene mutation) that affects the blood-brain barrier. Resistance to endectocides is an emerging problem, particularly in parasites of livestock animals, and is attributed to the widespread and sometimes indiscriminate use of these drugs. Strategies to mitigate resistance include rotating between different classes of antiparasitic drugs and integrating non-chemical control measures.

==Environmental Impact==
The use of endectocides, especially in livestock, has raised concerns about their environmental impact. These compounds can be excreted by treated animals and enter the environment, where they may affect non-target organisms, including beneficial insects and aquatic life. The persistence and potential ecological effects of endectocides in the environment are areas of ongoing research.

[[Category:Veterinary Drugs]]
[[Category:Antiparasitic Agents]]

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Endectocide - Revision history

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