SSRIs linked to QT prolongation

The SSRIs citalopram and escitalopram are linked to QT prolongation, which is found in 20% of all patients taking antidepressants, a study shows.

The study, which looked at the ECG results of more than 38,000 patients taking antidepressants, found a small but significant QT interval prolongation compared to controls not taking the drugs.

When analysing individual drugs, the association was significant only for citalopram, escitalopram and amitryptiline.

The higher the dose, the longer