Trigger
Something that can set off or worsen an episode — commonly disrupted sleep, stress, or major changes.
A trigger is something that makes an episode more likely. Not something that caused bipolar disorder, and not something you failed to control.
The ones with the strongest evidence behind them are ordinary: disrupted sleep, an irregular schedule, alcohol and drugs, some medications (antidepressants and steroids among them), the weeks after giving birth, and major stress in either direction. Good stress counts too, which is the part people do not expect — a promotion, a wedding, a holiday and a bereavement can all disrupt sleep and routine in the same way.
Triggers are personal, and they repeat. So the useful version of this is not the general list, it is your own short one: two or three, written down beside the early signs that usually follow them. That turns a vague worry into something you and the people around you can watch for.
See also
If you’re in crisis or thinking about harming yourself, you’re not alone and help is available right now. In the US & Canada call or text 988. In the UK & Ireland call 116 123 (Samaritans). Elsewhere, contact your local emergency services — Get Help Now lists lines by country.
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