Some Antidepressants May Risk Breast Cancer Return

MARILYNN MARCHIONE

ORLANDO, Fla. (AP) — Breast cancer survivors risk having their disease come back if they use certain antidepressants while also taking the cancer prevention drug tamoxifen, worrisome new research shows.

About 500,000 women in the United States take tamoxifen, which cuts in half the chances of a breast cancer recurrence. Many of them also take antidepressants for hot flashes, because hormone pills aren't considered safe after breast cancer.

Doctors have long known that some antidepressants and other medicines can lower the amount of tamoxifen's active form in the bloodstream. But whether this affects cancer risk is unknown. ...