Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Mgbe e weere ya tupu nri, a na-amịkọrọ roxithromycin ngwa ngwa, ọ na-agbasakwa n'ọtụtụ anụ ahụ na phagocytes. N'ihi ịdị elu ya n'ime phagocytes, a na-ebufe roxithromycin n'ụzọ dị irè n'ebe ọrịa ahụ dị. N'oge phagocytosis nọ n'ọrụ, a na-ewepụta nnukwu ọgwụ nke roxithromycin.  Ajụjụ: gịnị ka roxithromycin na-agbasa n'ime ya
anụ ahụ na phagocytes