A new study has found that the antidepressant Celexa (citalopram) can reduce the severity of hot flashes, at least in the short term. Other studies have found that antidepressants in the class known as selective serotonin reuptake inhibitors--which includes such meds as Paxil, Prozac, and Effexor--may help hot flashes, as well. But the advantage of Celexa, researchers say, is that it can be used by women who are taking the breast cancer drug tamoxifen, a medication that can also cause hot...