This drug exhibits antihelmintic action by acting as a cholinergic agonist, causing paralysis of the parasite musculature. This facilitates its removal from the intestines. It is used for treating ascariasis, ankylostomiasis, enterobiasis, trichostrongyliasis, and tricocefalosis. A single dose of bephenium heals from 80 to 100% of patients infected with A. duodenale. It is less effective with respect to N. americanus. Synonyms of this drug are aclopar and others.
Bithionol: Bithionol, 2,2'-thiobis(4,6-dichlorophenol) (38.1.38), is made by reacting a solution of 2,4-dichlorophenol in carbon tetrachloride with sulfur chloride in the presence of aluminum chloride [43,44].
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