If you think you may hurt yourself or attempt suicide, contact a suicide hotline.

In the U.S., call or text 988 to reach the 988 Suicide & Crisis Lifeline, available 24 hours a day, seven days a week. Or use the Lifeline Chat. Services are free and confidential.
U.S. veterans or service members who are in crisis can call 988 and then press "1" for the Veterans Crisis Line. Or text 838255. Or chat online.
The Suicide & Crisis Lifeline in the U.S. has a Spanish language phone line at 1-888-628-9454 (toll-free).

If you have access to guns, unload them and lock them in a safe place. You also could put trigger locks on your guns.

If you're having thoughts of suicide, but you aren't thinking of hurting yourself right away, seek help:

Reach out to a close friend or loved one, even though it may be hard to talk about your feelings.
Talk to a minister, spiritual leader or someone in your faith community.
Think about joining a men's health group that deals with depression.
Call a suicide crisis center hotline.
Make an appointment with your healthcare professional or a mental health professional.