The warning signs of suicide include talking about wanting to die or feeling like a burden, withdrawing from people, giving away possessions, and showing sudden shifts in mood or behavior. These signs can appear differently depending on a person’s age and circumstances, but they share a common thread: a visible change from how someone normally acts, speaks, or engages with life.
Recognizing these signs early matters. Not every person who is struggling will ask for help directly, but most will show changes that the people around them can learn to spot.
What Someone Might Say
Verbal cues are among the most direct warning signs, but they don’t always sound like a clear cry for help. Some statements are explicit: talking about wanting to die, saying they have no reason to live, or describing themselves as trapped in unbearable pain. Others are subtler. A person might say they feel like a burden to the people around them, express guilt or shame that seems out of proportion, or talk about “not being here” in the future.
These statements sometimes come wrapped in humor or sarcasm. Someone might frame a comment about death as a joke, include a meme, or soften the words with a laughing emoji. Take them seriously regardless of tone. A person testing whether anyone will notice often chooses the least vulnerable way to say something enormously vulnerable.
Expressions of hopelessness deserve particular attention. Across decades of research on mood disorders and suicidal behavior, hopelessness consistently emerges as one of the strongest predictors of both suicide attempts and completed suicides. When someone repeatedly communicates that nothing will get better, or that there’s no point in trying, that language reflects a cognitive state closely tied to suicidal thinking.
Behavioral Changes to Watch For
The National Institute of Mental Health identifies several behavioral shifts that can signal someone is moving toward crisis:
- Researching ways to die or making a plan
- Withdrawing from friends and family, or saying goodbye as if they won’t be seen again
- Giving away important items or making a will unexpectedly
- Taking dangerous risks, like driving recklessly or using substances in hazardous amounts
- Major changes in eating or sleeping, in either direction
- Increased use of drugs or alcohol
- Extreme mood swings, especially a sudden shift from deep despair to calm
That last point catches many people off guard. A person who has been visibly struggling and then suddenly appears peaceful or resolved may not be feeling better. They may have made a decision. This “sudden calm” after a period of severe distress is one of the most commonly missed warning signs.
The key pattern across all of these behaviors is change. A person who has always been a risk-taker is different from a person who suddenly starts driving recklessly. Someone who occasionally drinks is different from someone whose drinking sharply escalates during a period of emotional pain. You’re watching for departures from the person’s baseline.
Signs in Older Adults
Older adults often show warning signs that look different from what most people expect. Rather than talking openly about wanting to die, an older person may begin neglecting personal hygiene, abandoning their physical appearance, or losing interest in food. They may isolate from friends and family, express disproportionate guilt or shame, or stop engaging in activities they previously enjoyed.
One particularly concerning pattern: an older adult who begins setting aside medications, both prescribed and over-the-counter, while simultaneously making unexpected visits to relatives and friends as though saying goodbye. Hoarding pills is a concrete preparatory step that can be easy to miss if family members aren’t paying close attention to medication supplies.
Signs in Teenagers
Adolescents share many of the same warning signs as adults, but the context shifts. Withdrawal may look like dropping out of friend groups, quitting teams or activities, or becoming unreachable by phone. Mood swings can be harder to distinguish from typical teenage emotional intensity, which makes the degree of change especially important. A teen who goes from irritable to completely shut down, or from socially active to totally isolated, is showing a shift worth taking seriously.
Increased risk-taking in teens can include substance use, reckless driving, or self-harm. Declining school performance, particularly a sudden drop rather than a gradual slide, can also accompany a deepening crisis.
Warning Signs on Social Media
People in crisis often leave traces online before they say anything in person. Posts that reference dying, escaping, or “not being around” are the most obvious. But social media signs also include posts about feeling alone, feeling trapped, or being a burden to others. Someone might share content about self-medicating, express intense anger or a desire for revenge, or post images tied to death or despair.
These posts may appear alongside contradictory signals, like a casual tone or a humorous caption, that make it easy to scroll past them. A single post containing any of these themes warrants a direct, private check-in. Multiple posts over a short period suggest the person’s distress is escalating.
Sudden account deactivation or a dramatic shift in posting patterns (from active to silent, or from lighthearted to persistently dark) can also signal that something has changed.
Risk Factors vs. Warning Signs
Risk factors and warning signs are related but distinct. Risk factors are long-term conditions that increase a person’s overall vulnerability: a previous suicide attempt, a family history of suicide, a diagnosis of depression or bipolar disorder, alcohol or substance dependence, chronic physical illness, or a history of impulsive or aggressive behavior. These don’t mean a person is in immediate danger, but they raise the baseline level of concern.
Warning signs are the acute, observable changes that suggest danger is imminent or escalating. Think of risk factors as the dry conditions that make a fire possible, and warning signs as the smoke. When you see warning signs in someone who also carries multiple risk factors, the urgency is higher.
What to Do When You See These Signs
If you recognize warning signs in someone, the most important step is the simplest one: ask them directly. Research consistently shows that asking someone about suicidal thoughts does not put the idea in their head. It gives them permission to talk about something they may have been carrying alone.
Ask plainly. “Are you thinking about suicide?” is better than a vague “Are you okay?” If the answer is yes, or even if they deflect but the signs remain concerning, help them connect with support. Listen without judgment, stay with them if possible, and help reduce access to anything they could use to hurt themselves. This includes firearms, stockpiled medications, and other lethal means in the home.
A safety plan is a tool many mental health professionals use that you can help someone start building. It includes their personal warning signs, activities or places that can interrupt a crisis, specific people they can call, and their own reasons for living. The act of writing it down while they’re relatively stable gives them something concrete to reach for during a low point.
For immediate crisis support, the 988 Suicide and Crisis Lifeline is available by call, text, or chat. You can reach it by dialing or texting 988. The Crisis Text Line is another option: text TALK to 741741. Both services are free, confidential, and available around the clock.