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Ivermectin (22,23-dihydroavermectin B1a + 22,23-dihydroavermectin B1b) is a broad-spectrum antiparasitic drug in the avermectin family. It is taken internally or used topically, depending on the treated condition. It is on the World Health Organization's List of Essential Medicines, a list of the most important medication needed in a basic health system. ==Medical uses== Ivermectin is a broad-spectrum antiparasitic agent, traditionally against parasitic worms. It is mainly used in humans in the treatment of onchocerciasis (river blindness), but is also effective against other worm infestations (such as strongyloidiasis, ascariasis, trichuriasis, filariasis and enterobiasis), and some epidermal parasitic skin diseases, including scabies. Ivermectin is currently being used to help eliminate river blindness (onchocerciasis) in the Americas, and to stop transmission of lymphatic filariasis and onchocerciasis around the world in programs sponsored by the Carter Center using ivermectin donated by Merck.〔.〕〔.〕〔.〕 The disease is endemic in 30 African countries, six Latin American countries, and Yemen, according to studies conducted by the World Health Organization.〔.〕 The drug rapidly kills microfilariae, but not the adult worms. A single oral dose of ivermectin, taken annually for the 10- to 15-year lifespan of the adult worms, is all that is needed to protect the individual from onchocerciasis.〔.〕 An Ivermectin cream called ''Soolantra'' has been approved by the FDA for treatment of rosacea.〔(Galderma Receives FDA Approval of Soolantra (Ivermectin) Cream for Rosacea )"〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「ivermectin」の詳細全文を読む スポンサード リンク
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