arsphenamine

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ars·phen·a·mine

(ars-fen'ă-min),
A yellow hygroscopic powder formerly used in the treatment of syphilis, yaws, and some other diseases of protozoan origin. The synthesis of arsphenamine in 1907 and the demonstration of its usefulness as a therapeutic agent by Paul Ehrlich and coworkers (1909) marked the beginning of chemotherapy.
Synonym(s): phenarsenamine

arsphenamine

(ärs-fĕn′ə-mēn′)
n.
A drug formerly used to treat syphilis, yaws, and other spirochetal infections.

arsphenamine

(ars-fen′ă-mēn″, -mĕn) [ ars(enic) + phen(yl) + amine]
A light yellow powder containing about 30% arsenic; formerly used in the treatment of syphilis.

arsphenamine

An organic arsenical compound formerly used to treat syphilis. Treatment with arsenical drugs was called arsenotherapy.