Suicidal tendencies seen in -a) Depressionb) Posttraumatic stress disorderc) Schizophreniad) Substance abusee) Anxiety
Causes/Risk factors for suicide
Psychiatric disorders : - Depression (most common), alcoholism (2nd mc), Drug/Substance dependence, Schizophrenia, Dementia.

Physical illness : - Cancer, AIDS, Multiple sclerosis, Head trauma.
Psychosocial factors : - Failure in love, marital difficulties, family dispute, illegitimate pregnancy.
Biological factors : - Decrease in serotonin
Other - Male sex, Age > 40 years, Single (Unmarried, divorced or widowed), previous suicide attempt, social isolation.
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