Ivermectin: Difference between revisions

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== Function ==

Ivermectin has a primary function as an anti-parasitic, and it does this by either stunning (vermifuge) or killing (vermicide) the parasites. <ref name="medline">The American Society of Health-System Pharmacists, Inc. Ivermectin. Last Revised - 09/15/2016. Retrieved from https://medlineplus.gov/druginfo/meds/a607069.html</ref> This works with many types of helminthiasis, which is an infection from parasitic worms. It is able to work in strongyloidiasis by killing the worms in the intestines. <ref name="medline" /> In the case of the onchocerciasis, Ivermectin is able to inhibit the release of microfilariae from the female, but it is unable to kill the full grown worms. <ref name="Medical Parasitology">Despommier, Dickson D., Robert W. Gwadz, Peter J. Hotez, and Charles A. Knirsch. Parasitic diseases. New York: Apple Trees Productions, LLC, 2006. 129-282. Print.</ref> A possible drawback from this treatment is the increased possiblility of toxicity due to the increase in antigen loads from the dead and dying parasites. <ref name="Medical Parasitology" /> Ivermectin works on scabies by causing a discharge of gamma aminobutyric acid (GABA) near endoparasite’s nerve endings while also causing the affinity to GABA to increase in special receptors at synapses. As GABA is the chief inhibitory compound in the central nervous system, an increased affinity to these molecules can cause an interruption of nerve impulses, leading to possible paralysis or death. <ref>Victoria, Jairo M.D., Trujillo, Rudolpho M.D. Pediatric Dermatology. Topical Ivermectin: A New Successful Treatment for Scabies. January 2001.[http://onlinelibrary.wiley.com/doi/10.1046/j.1525-1470.2001.018001063.x/full DOI: 10.1046/j.1525-1470.2001.018001063.x]</ref> This happens from an influx of chloride ions into the cells, which will lead to hyper-polarisation followed by paralysis and death. <ref>Comparative Biochemistry and Physiology Part C: Pharmacology, Toxicology and Endocrinology. Volume 106, Issue 2, October 1993, Pages 301-314. [http://www.sciencedirect.com/science/article/pii/074284139390138B?via%3Dihub DOI: 10.1016/0742-8413(93)90138-B]</ref> Ivermectin remains safe for mammalian use due to the GABA receptors being located past the blood-brain barrier, compared to nematodes and arthropods that have GABA receptors in their peripheral nevous system at neuromuscular junctions. <ref>Roder, J.D. and E.L. Stair, An overview of ivermectin toxicosis. Veterinary and Human Toxicology, 1998. 40(6): p. 369-70.</ref>

'''Ivermectin''' has a primary function as an anti-parasitic, and it does this by either stunning (vermifuge) or killing (vermicide) the parasites. <ref name="medline">The American Society of Health-System Pharmacists, Inc. Ivermectin. Last Revised - 09/15/2016. Retrieved from https://medlineplus.gov/druginfo/meds/a607069.html</ref> This works with many types of helminthiasis, which is an infection from parasitic worms. It is able to work in strongyloidiasis by killing the worms in the intestines. <ref name="medline" /> In the case of the onchocerciasis, Ivermectin is able to inhibit the release of microfilariae from the female, but it is unable to kill the full grown worms. <ref name="Medical Parasitology">Despommier, Dickson D., Robert W. Gwadz, Peter J. Hotez, and Charles A. Knirsch. Parasitic diseases. New York: Apple Trees Productions, LLC, 2006. 129-282. Print.</ref> A possible drawback from this treatment is the increased possiblility of toxicity due to the increase in antigen loads from the dead and dying parasites. <ref name="Medical Parasitology" /> Ivermectin works on scabies by causing a discharge of gamma aminobutyric acid (GABA) near endoparasite’s nerve endings while also causing the affinity to GABA to increase in special receptors at synapses. As GABA is the chief inhibitory compound in the central nervous system, an increased affinity to these molecules can cause an interruption of nerve impulses, leading to possible paralysis or death. <ref>Victoria, Jairo M.D., Trujillo, Rudolpho M.D. Pediatric Dermatology. Topical Ivermectin: A New Successful Treatment for Scabies. January 2001.[http://onlinelibrary.wiley.com/doi/10.1046/j.1525-1470.2001.018001063.x/full DOI: 10.1046/j.1525-1470.2001.018001063.x]</ref> This happens from an influx of chloride ions into the cells, which will lead to hyper-polarisation followed by paralysis and death. <ref>Comparative Biochemistry and Physiology Part C: Pharmacology, Toxicology and Endocrinology. Volume 106, Issue 2, October 1993, Pages 301-314. [http://www.sciencedirect.com/science/article/pii/074284139390138B?via%3Dihub DOI: 10.1016/0742-8413(93)90138-B]</ref> Ivermectin remains safe for mammalian use due to the GABA receptors being located past the blood-brain barrier, compared to nematodes and arthropods that have GABA receptors in their peripheral nevous system at neuromuscular junctions. <ref>Roder, J.D. and E.L. Stair, An overview of ivermectin toxicosis. Veterinary and Human Toxicology, 1998. 40(6): p. 369-70.</ref>

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	== Function ==		== Function ==

	Ivermectin has a primary function as an anti-parasitic, and it does this by either stunning (vermifuge) or killing (vermicide) the parasites. <ref name="medline">The American Society of Health-System Pharmacists, Inc. Ivermectin. Last Revised - 09/15/2016. Retrieved from https://medlineplus.gov/druginfo/meds/a607069.html</ref> This works with many types of helminthiasis, which is an infection from parasitic worms. It is able to work in strongyloidiasis by killing the worms in the intestines. <ref name="medline" /> In the case of the onchocerciasis, Ivermectin is able to inhibit the release of microfilariae from the female, but it is unable to kill the full grown worms. <ref name="Medical Parasitology">Despommier, Dickson D., Robert W. Gwadz, Peter J. Hotez, and Charles A. Knirsch. Parasitic diseases. New York: Apple Trees Productions, LLC, 2006. 129-282. Print.</ref> A possible drawback from this treatment is the increased possiblility of toxicity due to the increase in antigen loads from the dead and dying parasites. <ref name="Medical Parasitology" /> Ivermectin works on scabies by causing a discharge of gamma aminobutyric acid (GABA) near endoparasite’s nerve endings while also causing the affinity to GABA to increase in special receptors at synapses. As GABA is the chief inhibitory compound in the central nervous system, an increased affinity to these molecules can cause an interruption of nerve impulses, leading to possible paralysis or death. <ref>Victoria, Jairo M.D., Trujillo, Rudolpho M.D. Pediatric Dermatology. Topical Ivermectin: A New Successful Treatment for Scabies. January 2001.[http://onlinelibrary.wiley.com/doi/10.1046/j.1525-1470.2001.018001063.x/full DOI: 10.1046/j.1525-1470.2001.018001063.x]</ref> This happens from an influx of chloride ions into the cells, which will lead to hyper-polarisation followed by paralysis and death. <ref>Comparative Biochemistry and Physiology Part C: Pharmacology, Toxicology and Endocrinology. Volume 106, Issue 2, October 1993, Pages 301-314. [http://www.sciencedirect.com/science/article/pii/074284139390138B?via%3Dihub DOI: 10.1016/0742-8413(93)90138-B]</ref> Ivermectin remains safe for mammalian use due to the GABA receptors being located past the blood-brain barrier, compared to nematodes and arthropods that have GABA receptors in their peripheral nevous system at neuromuscular junctions. <ref>Roder, J.D. and E.L. Stair, An overview of ivermectin toxicosis. Veterinary and Human Toxicology, 1998. 40(6): p. 369-70.</ref>		'''Ivermectin''' has a primary function as an anti-parasitic, and it does this by either stunning (vermifuge) or killing (vermicide) the parasites. <ref name="medline">The American Society of Health-System Pharmacists, Inc. Ivermectin. Last Revised - 09/15/2016. Retrieved from https://medlineplus.gov/druginfo/meds/a607069.html</ref> This works with many types of helminthiasis, which is an infection from parasitic worms. It is able to work in strongyloidiasis by killing the worms in the intestines. <ref name="medline" /> In the case of the onchocerciasis, Ivermectin is able to inhibit the release of microfilariae from the female, but it is unable to kill the full grown worms. <ref name="Medical Parasitology">Despommier, Dickson D., Robert W. Gwadz, Peter J. Hotez, and Charles A. Knirsch. Parasitic diseases. New York: Apple Trees Productions, LLC, 2006. 129-282. Print.</ref> A possible drawback from this treatment is the increased possiblility of toxicity due to the increase in antigen loads from the dead and dying parasites. <ref name="Medical Parasitology" /> Ivermectin works on scabies by causing a discharge of gamma aminobutyric acid (GABA) near endoparasite’s nerve endings while also causing the affinity to GABA to increase in special receptors at synapses. As GABA is the chief inhibitory compound in the central nervous system, an increased affinity to these molecules can cause an interruption of nerve impulses, leading to possible paralysis or death. <ref>Victoria, Jairo M.D., Trujillo, Rudolpho M.D. Pediatric Dermatology. Topical Ivermectin: A New Successful Treatment for Scabies. January 2001.[http://onlinelibrary.wiley.com/doi/10.1046/j.1525-1470.2001.018001063.x/full DOI: 10.1046/j.1525-1470.2001.018001063.x]</ref> This happens from an influx of chloride ions into the cells, which will lead to hyper-polarisation followed by paralysis and death. <ref>Comparative Biochemistry and Physiology Part C: Pharmacology, Toxicology and Endocrinology. Volume 106, Issue 2, October 1993, Pages 301-314. [http://www.sciencedirect.com/science/article/pii/074284139390138B?via%3Dihub DOI: 10.1016/0742-8413(93)90138-B]</ref> Ivermectin remains safe for mammalian use due to the GABA receptors being located past the blood-brain barrier, compared to nematodes and arthropods that have GABA receptors in their peripheral nevous system at neuromuscular junctions. <ref>Roder, J.D. and E.L. Stair, An overview of ivermectin toxicosis. Veterinary and Human Toxicology, 1998. 40(6): p. 369-70.</ref>