I have a bad migraine coming on and need to head home. I'll log off by [time].
Short notice
A migraine at Short Notice: What to Tell Your Boss
When a migraine comes up with little warning, a calm, specific message about cover matters more than a long apology.
Say what you need, briefly
A migraine makes screens and noise unbearable, so say you need to stop and rest. Keep it short — you may be in real discomfort.
Handle short notice well
At short notice, acknowledge the timing briefly, state clearly what you'll leave and when, and name who covers anything urgent. Being specific about cover reassures your manager far more than an apology does.
Example messages
A migraine has hit and I can't focus on a screen. I'll wrap up and leave by [time].
I'd rather leave now than let this migraine get worse; I'll pick things up tomorrow.
Mistakes to avoid
Don't over-apologise for the timing or leave cover vague. State the plan clearly and keep it short.
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This page shares wording ideas, not legal or HR advice. Follow your own employer's time-off policy.
Common questions
Do I need to call it a migraine?
No. Feeling unwell and needing to go home is enough.
How do I handle the short notice?
Acknowledge it briefly, be specific about what you'll leave and who covers, then move on.