Intrusive thoughts and a preoccupation with death and dying are what define suicidal ideation. Occurring due to stress and a person's inability to cope in a healthy manner, the presence of suicidal ideations frequently mean that an individual is suffering from a mental illness.

• Temperament changes

• Extreme mood swings

• Engaging in risky behaviors

• Self-harm

• Threats of self-injury

• Use or abuse of drugs and/or alcohol

• Talking or writing about death and dying

• Social withdrawal or isolation

• Decline in interest of things or activities that were once enjoyed

• Hopeless or helpless feelings