An FDA spokeswoman said only that patients should ask a doctor before making medication changes . _ Balance the risk with the patients ' need for the drug . _ Tell patients and their families about the risk so they can be aware of changes in mood . _ Make sure patients and families know to contact a doctor if someone experiences common suicide warning signs , such as talking or thinking about hurting yourself , becoming preoccupied with death , withdrawal , becoming depressed or worsening depression , and giving away prized possessions .