Anthelmintic drugs elimination


  • Features Presents a comprehensive treatment of poisoning through more than chapters in 10 sections Templated format provides key information in a format that is easy to find and understand International authorship, allowing text to address issues globally anthelmintic drugs elimination poisoning and drug overdose are worldwide issues Back to top What's New Stunning full-colour design which is essential for identifying environmental anthelmintic drugs elimination New chapters on occupational and environmental toxicology Expanded sections on bioterrorism Three additional editors who are toxicologists and new editors for individual chapters Back to top Contents General Information Part I Section A Concepts in Medical Toxicology 1.
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The term vermifuge is often applied to remedies used to remove intestinal worms; only rarely do the agents directly kill the parasites. No anthelmintic is completely anthelmintic drugs elimination, completely without toxic effect upon the host or equally active against all worms.

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Most of the anthelmintics used in human medicine before World War II were replaced by more efficacious and less toxic drugs after the war. Anthelmintics have been developed to improve livestock production.

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Hygromycin is an antibiotic used as a feed additive to eliminate or reduce the large roundworms Ascarisnodular worms Oesophagostomum and whipworms Trichuris of swine and the large roundworms Ascaridia and cecal worms Heterakis of poultry. Intestinal worm infections in general are more easily treated anthelmintic drugs elimination those in other locations in the body.

Because the worms need not be killed by the drug and the drug need not be absorbed when given by mouth, there is usually a wider margin of safety than with drugs for worm infections in other sites. Piperazine, introduced into human medicine about and shortly thereafter into veterinary medicine, relaxes the large intestinal roundworms ascarids and pinworms oxyurids of man and domesticated animals so that they are eliminated with the feces.

Piperazine, still extensively used anthelmintic drugs elimination infections of domesticated animals, including poultry, was superseded by the more active pyrvinium pamoate for the treatment of human pinworm infection. Other anthelmintics include dithiazanine, used for the treatment of the Strongyloides and whipworm of man and anthelmintic drugs elimination thiabendazole, used primarily for the treatment of several nematodes of cattle, horses and sheep but also used for treatment of whipworms and Strongyloides of man; tetramisole, used in cancer sange tratament European countries, being, unlike most anthelmintics, apparently almost as effective against larval stages of intestinal nematodes as against adult worms in cattle, sheep and poultry.

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Tetrachlorethylene, introduced in for the treatment of hookworms of man and anthelmintic drugs elimination, is still used anthelmintic drugs elimination the so-called American hookworm Necator americanus of man but was superseded by bephenium hydroxynaphthoate for the treatment of the European hookworm Ancylostoma duodenale of man and by disophenol for the treatment of canine hookworm Ancylostoma caninum.

Phenothiazine, introduced in the s, is still used against the wireworm Haemonchus contortus of sheep and cattle. Quinacrine, an early synthetic World War II antimalarial later superseded, is now often used as an anthelmintic for the removal of the large tapeworms of man; it is also useful in the treatment of tapeworm infection of dogs.

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Other compounds used for intestinal worms of domesticated animals, but rarely of man, include arecoline hydrobromide, n-butyl chloride, carbon disulfide, copper sulfate, dichlorophen, lead arsenate, phthalofyne and toluene. Dibutyltin dilaurate is used for tapeworm infections in poultry. Dicţionarul conţine următoarele traduceri în italiană pentru "anthelmintic": Engleză.