Reports of users. If users report suicidal thoughts during tests and in "the field", then the drug is said to be connected to suicides when users of it end up o

Reports of users. If users report suicidal thoughts during tests and in "the field", then the drug is said to be connected to suicides when users of it end up offing themselves. The official term is "increased risk of suicide", with the reasoning being suicidal thoughts is a necessary precursor to suicide. But nobody's death certificate actually says that a prescription drug was the cause of death, when it was a suicide.