Informed consent for antidepressants

‘The alarming findings may not have been expected, or desired, by the study’s funders, Lundbeck, a manufacturer of several antidepressants sold in UK.’ Photograph: Chris Ison/PA

Your article (Antidepressants can cause ‘emotional blunting’, study shows, 23 January) reports that antidepressants cause inability to experience positive feelings and difficulty achieving orgasm.

This small study, involving 66 subjects, confirms my two international surveys, of 1,400 and 1,800 patients, which both found these depressing effects in more than 60% of patients.