瀉藥

泻 = 写 + 氵 : Marie Curie (xi) has to constantly use the elevator's bathroom (e4) because she suffers from extreme diarrhea (泻). Next to her is a huge water bottle (氵) with the label featuring the hand-written (写) prescription her doctor wrote (写) for her.

药 = 艹 + 约 : Maud Younger is on a date in the aorta, but she has to pass gas all the time. In the bathroom she desperately eats a sheet of artificial lawn, thinking that it should be the right medicine for her.