A common Japanese medical treat for high fevers are long white oval pills, look very much like the one the maid is holding, which are administered throught the rectum. It is there for possible that the maid is attempting to list off the other possible cures rather then use the one she is holding.
But... Sakuya so wants to put things in Remi's butt. It's like, #2 on her list of things to do each day, right between stab Meiling and <censor> with Remi.