Important medical disclaimer
Educational tools only — not medical care
Migraine Trail is not a healthcare provider, medical service, or medical device. These tools use information you enter and simplified educational rules. They may be incomplete or wrong and cannot examine you.
- Results do not diagnose, rule out, confirm, or predict any disease, headache type, trigger, emergency, or personal medical risk.
- Do not start, stop, combine, delay, or change a medicine or treatment—and do not delay professional care—because of a result.
- Labels such as “pattern,” “alignment,” “score,” “threshold,” “risk,” or “urgency” are educational summaries, not clinical findings or probabilities.
Discuss symptoms and decisions with a licensed healthcare professional who knows your history. For a child, involve a parent or guardian and an appropriate pediatric clinician.
If symptoms may be an emergency, stop using this site. Call your local emergency number or seek emergency care now. Never wait for or rely on a tool result.
Migraine Preventive Treatment Progress Calculator
Normalize two observation periods and see changes in frequency, acute-medication use, disability, and intensity—plus the migraine days that remain.
Do not stop or change treatment from this result.
Preventive medicines and devices differ in dosing, expected timing, safety, and stopping instructions. Review benefit and side effects with the prescriber. Seek urgent help for a serious reaction or a sudden severe or unfamiliar headache.
Measure prevention without reconstructing months from memory
Migraine Trail keeps headache days, migraine days, treatments, symptoms, and disability together for clearer follow-up appointments.
How to read preventive-treatment progress
Monthly migraine days are a common primary measure, but a useful review also looks at what remains and whether daily life improved.
Frequency
Migraine days and total headache days, normalized to the same period.
Residual burden
The current number of affected days—not only the percentage change.
Function
Disability, average intensity, and ability to participate in normal activities.
Treatment burden
Acute-medication use, preventive side effects, adherence, and convenience.
Clinical references
Frequently asked questions
Why normalize both periods to 28 days?
Observation windows can differ. Converting each count to a 28-day rate makes the comparison fairer, but longer periods with complete diary data are usually more stable than a short snapshot.
Is 50% reduction the definition of success?
It is a commonly used benchmark, not a universal verdict. The International Headache Society emphasizes residual burden and ambitious individualized goals rather than relying only on percentage improvement.
What if my intensity improved but frequency did not?
That may still matter. Duration, intensity, disability, function, acute-medication use, and tolerability can show benefits that frequency alone misses.
When should I evaluate the treatment?
It depends on the treatment and dose plan. The American Migraine Foundation notes that benefit may take two to three months after reaching a beneficial dose. Use the timing set by your prescriber.
Acute Medication Effectiveness
Review treatment response across individual attacks.
Migraine Frequency Checker
Compare three months with frequency criteria.
Acute vs Preventive Treatment
Understand the roles of both approaches.
Private by design: all calculations happen in this browser. Treatment names and health information are not sent to us.