How to Keep a Migraine Diary: A Practical Guide
If you live with migraines or frequent headaches, you've probably been asked, "How often do they happen?" or "What seems to set them off?" Those are surprisingly hard questions to answer from memory, especially when a bad headache can make the days around it blur together.
That's where a migraine diary comes in. It's simply a consistent record of your headaches and what was going on around them. Over a few weeks or months, it can reveal patterns you'd never notice otherwise and give your healthcare provider far more useful information than "they happen a lot."
Why Keep a Migraine Diary?
A headache diary can help you:
- Count headache days accurately. Frequency is one of the first things many providers ask about.
- Notice possible triggers. Sleep, meals, hormones, weather, screens, and stress are commonly discussed factors, but everyone is different.
- See what helps. Recording which relief measures you used, and whether they worked, gives a clearer picture over time.
- Make appointments more productive. A written record is easier to review than trying to recall the last three months.
What to Record for Each Headache
You don't need to write a novel. A few consistent details go a long way:
- Date and start time
- End time (or how long it lasted)
- Pain level on a 0-10 scale
- Location, such as one side, both sides, behind the eyes, or the back of the head
- Aura or warning signs, like visual changes, tingling, or other symptoms before the pain
- Other symptoms, such as nausea or sensitivity to light or sound
- Possible triggers you noticed
- What you took or did for relief and the time
- Whether it helped
If you're in the middle of a migraine, just jot the basics, like the time and the pain number, and fill in the rest later.
Tracking Possible Triggers
Triggers are highly individual, and a diary is about observing rather than drawing conclusions. Factors people commonly note include:
- Sleep: too little, too much, or irregular
- Meals: skipped meals, specific foods or drinks, caffeine changes
- Hydration
- Hormonal cycle: for those who menstruate, noting your cycle day can be helpful
- Weather changes
- Stress or let-down after a stressful period
- Screens, bright lights, strong smells
Write down what you notice even if you're not sure it matters. Patterns tend to appear only once you have several entries to compare.
Use a Monthly Calendar View
Alongside detailed entries, a simple monthly calendar is one of the most useful tools you can have. Mark each day you had a headache and its peak pain level. At a glance, you and your provider can see:
- How many headache days you had this month
- Whether they cluster around certain times
- How things change over months, for example after a new routine or treatment
Tips for Sticking With It
- Keep it visible. Leave your diary on your nightstand or desk.
- Fill it in daily, even on headache-free days. A quick "none" helps with accurate counts.
- Keep it simple. Consistency beats detail.
- Review weekly. Spend two minutes looking back for anything that stands out.
- Bring it to every appointment, along with a short list of questions.
Sharing Your Diary With Your Provider
Before your visit, look over the past month or two and note:
- Total headache days per month
- Typical pain levels and duration
- Anything that seemed to come before headaches
- Which relief measures you used, how often, and how well they worked
Your provider will interpret this alongside your health history. The diary's job is to make the conversation clearer, not to replace their evaluation.
When to Get Help Right Away
Some headache symptoms need urgent attention. Seek emergency care or call 911 for a sudden, severe "worst headache of your life," a headache with fever and stiff neck, confusion, weakness, numbness, trouble speaking, vision loss, or a headache after a head injury. If your headaches change in pattern or severity, contact your healthcare provider.
A Printable Migraine Tracker
If you'd like a ready-to-use format, the ChartedCalm Migraine Tracker & Headache Diary is a nurse-designed printable with columns for start and end time, pain 0-10, location, aura, triggers, relief, and whether it worked. It also includes a monthly headache calendar and a section for patterns to share with your neurologist. It comes in US Letter and A4.
Also tracking pain, sleep, or your cycle? The Health Tracker Bundle includes the migraine diary plus a chronic pain journal, period tracker, and more.
Disclaimer: This article is for general informational purposes only and is not medical advice. It does not diagnose, treat, or prevent any condition. Talk with a qualified healthcare professional about your symptoms and treatment. In an emergency, call 911.