During the completion of mitosis (telophase), two new nuclei form around the separated sets of daughter chromosomes (see Figure 8.29). ... The initial step in re-formation of the nuclear envelope is the binding of the vesicles formed during nuclear membrane breakdown to the surface of chromosomes
It depends on how his body is in taking it. So he will not have to use the medication any longer. If the body is healing the body then he doesn’t have to take it anymore.