Ivermectin
生产企业:Merck and co inc
Ivermectin is an anti parasite medication used to treat head lice, onchocerciasis, strongyloidiasis, ascariasis, trichuriasis, and enterobiasis.
Ivermectin is an anti parasite medication used to treat head lice, onchocerciasis, strongyloidiasis, ascariasis, trichuriasis, and enterobiasis.
Ivermectin binds selectively and with high affinity to glutamate-gated chloride ion channels in invertebrate muscle and nerve cells of the microfilaria. This binding causes an increase in the permeability of the cell membrane to chloride ions and results in hyperpolarization of the cell, leading to paralysis and death of the parasite. Ivermectin also is believed to act as an agonist of the neurotransmitter gamma-aminobutyric acid (GABA), thereby disrupting GABA-mediated central nervous system (CNS) neurosynaptic transmission. Ivermectin may also impair normal intrauterine development of O. volvulus microfilariae and may inhibit their release from the uteri of gravid female worms.
Administered topically, ivermectin cream is indicated for the treatment of inflammatory lesions associated with rosacea. An over-the-counter ivermection lotion is commercially available and indicated for the topical treatment of head lice infestations in patients ≥6 months of age. Orally administered ivermectin is indicated as a broad-spectrum anti-parasitic for the treatment of intestinal strongyloidiasis caused by Strongyloides stercoralis and onchocerciasis caused by Onchocerca volvulus. Systemic ivermectin therapy is used internationally for the treatment of various tropical diseases, including filariasis, cutaneous larva migrans, and Loa loa infection, amongst others.
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