Not Really A Worry
I really can not see this being much of a problem.
First, the amount of Clincamycin absorbed through the skin would not be that significant. When topical clindamycin first came out ( Cleocin, Upjohn), we did fear pseudomembranous colitis. Some of us were reluctant to use it on larger areas such as the back. The development of this problem in a patient at the time, stirred up a fair amount of anxiety. However, this problem has not been borne out and while, certainly we might watch for...