Still in her sleep, Lady Macbeth asks, “what, will these hands ne’re be clean? ” foreseeing that she will never have peace of mind. She also tells events of the day Duncan was murdered. The doctor tells the gentlewoman that what Lady Macbeth needs is spiritual and not physical help. Lady Macbeth’s condition worsens, and she goes in and out of sleep with crazy visions. Macbeth asks the doctor to cure her or give her a drug that will erase the troubles of the heart. The doctor responds that he cures physical not mental problems.
Later, as the battle is going on outside of Dunsinane, Lady Macbeth commits suicide. At the beginning Lady Macbeth finds strength to entice Macbeth to murder Duncan and to follow through with the murder herself. As time goes on, her pretended strength fais as she fights her conscience. Tending to her conscience consumes and enables her to support Macbeth against Malcolm. Lady Macbeth’s attempts to put down her conscience fails. At the end she chooses death because she can no longer bear the her guilt.