The migraine diary your neurologist can actually use
What a headache clinic actually uses from a migraine diary: monthly headache days, medication days, severity, aura, disability impact. What to bring, and why.
A headache clinic does not need your story. It needs six things: how often, how long, how bad, whether there was aura, what you took and whether it helped, and what the attack stopped you doing. Two numbers frame all of it, and both are monthly counts: headache days per month, and days per month you took acute medication.
The short version: track daily for two to three months, count headache days and medication days for each month, and bring the summary rather than the raw log. That single page turns a fifteen-minute appointment from a memory test into an actual clinical conversation.
Why memory is not good enough
Migraine appointments have a structural problem. You are asked to summarize months of a condition that damages concentration, from memory, in a short slot, often while feeling rushed. Almost everyone underestimates. You remember the three attacks that ruined something important and lose the eleven moderate days you pushed through, and you have no idea how many days you reached for medication.
That gap matters, because clinicians work in rates. “Pretty often, maybe once a week?” and “eleven headache days last month, six the month before” lead to different conversations. The second one is also the only version that can show whether anything changed later.
If you have been dismissed before, this is worth knowing: a specific written record is harder to wave away than a description. It is not a guarantee of being taken seriously, and it should not be your job to fight for that. But it shifts the conversation onto ground where the facts are yours.
Headache days per month is the number that frames everything
Count days, not attacks. One attack that runs from Tuesday afternoon to Thursday morning is three headache days, and this distinction matters because it is the unit the field actually uses.
The reason is diagnostic. Broadly, headache patterns are described as episodic or chronic, and the dividing line sits at 15 or more headache days per month for more than three months, with migraine features on at least 8 of those days. Whether you land near that line changes what a clinician considers and how they read your pattern over time. You do not need to classify yourself. You just need to count honestly and let them do their job with real numbers.
Count the low-grade days too. The dull, functional, “I took something and got on with it” days are exactly the ones people leave out, and they are part of the total.
Medication days is the second count
Alongside headache days, record the number of days per month you took anything for the pain. Not doses, not amounts, just days.
Clinicians ask this because how often acute medication is used, across time, can itself shape and complicate a headache pattern. There are recognized thresholds attached to this, and they differ by medication type, which is exactly why it is a conversation for your clinician and not something to self-diagnose or self-correct from an article. Your job is to know the number. Their job is to interpret it.
A note on honesty: this number is the one people most want to shrink before an appointment. Reporting it low removes the very information that might change your care.
The six columns that carry the weight
| What to record | Why the clinic wants it |
|---|---|
| Date and duration | Builds headache days; duration separates short attacks from multi-day ones |
| Severity, 1 to 10 or mild/moderate/severe | Shows the mix, not just the worst days |
| Aura and neurological symptoms | Visual changes, numbness, speech difficulty, and their timing relative to pain |
| What you took, and when | Timing relative to onset often matters as much as the medication itself |
| Did it work? | Full relief, partial, none, or needed a second dose |
| Disability impact | Missed work, left early, functioned at half speed, cancelled plans |
The “did it work?” column is the most under-recorded and among the most useful. A clinician reading “took something at hour three, partial relief, still could not work” learns something quite different from “took something, no help.” Treatment-response patterns across a few months inform decisions in a way no single attack can.
If your log is also meant to hunt for patterns rather than just report to the clinic, that is a different job with different rules, and it is worth reading why trigger hunting usually fails before you start assigning causes in the margins of this record.
Aura deserves care too. Note what you experienced, how long it lasted, and whether it came before, during or without pain. If you ever have neurological symptoms that are new, one-sided, longer than usual, or that do not resolve, that is not a diary entry. That is a same-day call to your clinician or emergency care.
Disability impact: what it stopped you doing
“Severe” is subjective and people with long histories tend to scale it against their own worst day, which quietly hides how bad an average day is. Function is harder to distort. Did you miss work, leave early, cancel something, lie down, get through the day at half capacity?
Many clinics use short standardized questionnaires to capture exactly this, so arriving with the underlying facts already recorded means you can answer accurately instead of guessing at the desk. If preventive treatment ever comes up in your care, this kind of before-and-after record is part of how any change gets evaluated. What is appropriate, and whether anything is, is entirely a matter for your clinician.
Bring one page, not ninety
Nobody is going to read your full log during an appointment. Do the summarizing yourself, and hand over something like this:
- Headache days per month, for the last three months
- Medication days per month, same period
- Typical duration and the severity mix
- How many days you had aura
- What you took, and how often it actually worked
- Days affected: missed, cut short, or degraded
- Anything that changed: new pattern, new symptom, new life circumstance
Keep the detailed log available in case they want to look, but lead with the counts.
This is the part worth automating, because tallying headache days and medication days by hand across three months is tedious enough that people stop doing it right before the appointment where it matters. MigraineOS logs attacks in a few taps and keeps the monthly counts, severity mix, aura days and treatment-response totals adding up as you go, so the appointment summary already exists. It is one HTML file that runs on your own device, and your health notes stay there rather than on anyone’s server.
If you would rather build your own, a notebook works. The counting is what matters, not the tool.
Before the appointment
Write your three questions down before you go, and put them at the top of the page. Attention runs out fast in a short slot, and the questions you actually care about are the first casualty. Common ones worth asking: what does my pattern look like to you, what should trigger a call before my next visit, and what would we measure to know if something is working.
This article is educational only and is not medical advice. It describes what people commonly record and why clinics find it useful. Nothing here is a recommendation about any treatment, medication or dose, and no diary can diagnose you. Talk to your own clinician about your situation, and seek care promptly for headaches that are new, sudden, severe, or different from your usual pattern.
Next step: open a calendar and mark the last month as best you can, then start counting properly from tomorrow. Two columns is enough to begin: was today a headache day, and did you take anything. Three months of those two columns will do more for your next appointment than anything you can say from memory.
Frequently asked questions
What should a migraine diary include for a doctor?
Six things carry most of the weight: the date and duration of each attack, severity, whether aura or other neurological symptoms occurred, what you took and whether it worked, how much the attack disrupted your day, and the total count of headache days and medication days per month. Anything beyond that is useful context, not the core record.
How many months of migraine diary should I bring to my appointment?
Aim for at least two to three months of consistent daily entries. Headache clinics think in monthly rates rather than individual attacks, so a single bad month cannot show whether your pattern is stable, improving or worsening. Three months also covers most of a hormonal cycle pattern if that is relevant to you.
Why do doctors ask how many days per month you get headaches?
Because monthly headache days is the number that frames the whole conversation. It separates episodic from chronic patterns, sets a baseline to measure any future change against, and is the standard unit clinicians and guidelines use. Counting attacks is less useful, since one attack can span two or three days.
Why does my doctor want to know how often I take painkillers?
Because frequent use of acute headache medication can itself complicate a headache pattern over time, so clinicians track medication days per month alongside headache days. It is a clinical question with real thresholds attached, which is why it belongs in a conversation with your clinician rather than a self-assessment.
Can I just tell my neurologist from memory?
Memory reliably underestimates. Most people recall the worst attacks and lose the moderate ones, and they cannot reconstruct medication days at all. A written count of headache days and medication days per month turns a vague description into something your clinician can actually work with.
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