| Two month courses of intravenous arsphenamine would then be alternated with intramuscular Bismuth. |
| So powerful is arsphenamine that doctors can give it only in single doses extending over a period of 18 months. |
| More recently silver arsphenamine has been used in topical astringent preparations. |
| In 1910, with his Japanese colleague Sahachiro Hata, he developed arsphenamine, a synthetic preparation containing arsenic, which sold under the name of Salvarsan. |
| During the past few years some French physicians have reported favorably on the intrarectal administration of arsphenamine. |
