The U.S. Food and Drug Administration (FDA) is informing healthcare professionals and patients that the antidepressant Celexa ( citalopram hydrobromide ; also marketed as generics) should no longer be used at doses greater than 40 mg per day because it can cause abnormal changes in the electrical activity of the heart. Studies did not show a benefit in the treatment of depression at doses higher than 40 mg per day. Previously, the citalopram drug label stated that certain patients may require a dose of 60 mg per day. Facts about Celexa ( citalopram hydrobromide ) Is in a cla...