腹泻

腹 = 复 + 月 : Frieda Fox (fu) catches the moon (月) taking photocopies (复) of his abdomen (腹) in the space station's bathroom (Ø4).

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.