Headache: Understand It Right, and You Can Be Free

There is far too much misinformation about headaches. A headache specialist who has treated 100,000+ patients across 25 years delivers you accurate information and real treatment.

25 yrs
Headache Practice
100K+
Patients Treated
#1 Korea
Triptan Rx
#1 Korea
Ajovy • Emgality Rx
Headache
4 Lifestyle Habits
Hydration · Exercise · Sleep · Meditation
⚖️
Second Opinion & Educational Consulting
HeadacheFree.Doctor is an online service for second-opinion and patient-education purposes. It does not replace in-person medical care, diagnosis, prescription, or emergency treatment. For acute or worsening symptoms, contact your local emergency services immediately (e.g., 911 / 112) or go to the emergency room.
Headache: Myth or Fact?
Think you know what’s really behind your headaches?
Take the 2-minute quiz →
Headache Information Library

Accurate Information from a Headache Specialist

View All Posts →

Start Here

Why Your Headache Isn’t Getting Better

A headache that isn’t improving usually isn’t a mystery. It’s a headache that hasn’t been correctly named yet.

E-Book

What I Couldn’t Say in the Clinic

Content created directly by a specialist with 25 years of experience.

📘 New · For Clinicians

Headache Medicine: Primary Headache Disorders and Their Mimics

A clinical textbook for the CGRP era. One author, 25 years of headache practice, and the evidence behind every treatment decision, written for neurologists, residents and primary care physicians.

📗 New · For Patients

Migraine HERE & NOW: Three Books in One

Is this migraine? Why is it getting worse? What actually works? Migraine NOW, Migraine Here and Migraine: The Last Five Years, re-edited into one volume for patients and families, with one medication list and one glossary.

📚 The Migraine Trio — Complete Series

All three migraine books, one series: the Migraine Trio

Migraine NOW · Migraine Here, Loop Headache · Vestibular Migraine — the complete What Your Doctor Didn’t Have Time to Explain series. Three books, one arc: get the diagnosis right, escape the medication-overuse loop, and put a name to the dizziness nobody named.

$29.97 Kindle 3-book set · each also in paperback & hardcover
Get the Migraine Trio →
📚 Amazon Kindle

📚

Migraine NOW: What Most Doctors Still Get Wrong

A neurologist’s modern guide based on 25 years of practice and the latest CGRP-era science.

  • What’s changed in 2026 — CGRP antibodies, gepants, ditans
  • How to identify YOUR specific migraine pattern
  • One-page decision tables to take to your doctor
  • The truth about triggers — what’s real, what’s myth
  • When to worry (red flags that need imaging or ER)
★★★★★
Five Independent Readers’ Favorite 5-Star Reviews

“Intelligent and conversational — turning clinical knowledge into usable action. Very highly recommended.”

— Asher Syed, Readers’ Favorite (Reader/family perspective)

“An authoritative publication, a valuable reference for migraine sufferers and healthcare practitioners. A comprehensive source of information.”

— Leonard Smuts, Readers’ Favorite (Clinical perspective)

“Clear-eyed, practical guide — the way a good doctor speaks in a consulting room: directly and calmly. An honest, generous book that could change the life of anyone who has ever been told their headaches are just stress.”

— Mansoor Ahmed, Readers’ Favorite (Author voice & structure)

“Brilliantly written so that readers are not overwhelmed by medical jargon. The writing is well-paced, organized, and easy to comprehend. I recommend Migraine NOW to health-conscious readers and those struggling with any form of migraine.”

— Stewart Brian, Readers’ Favorite (Health-conscious reader perspective)

“I needed this book — hugely informational and comprehensive.”

— Divine Zape, Readers’ Favorite (Comprehensive guide perspective)

📚 Amazon · New
💊

Migraine Here, Loop Headache: When the Medicine That Helps Becomes the Reason It Hurts

Rebound headache (medication-overuse headache), explained by a neurologist: why the pills that rescue you can quietly become the engine of daily pain — and how to break the loop safely. Part of the What Your Doctor Didn’t Have Time to Explain series.

  • How rebound headache develops — and which drugs cause it most
  • ICHD-3 criteria: is your headache actually medication overuse?
  • A realistic withdrawal plan — what the first two weeks feel like
  • Bridge therapy and preventives that make stopping survivable
  • How to keep using rescue medicine without falling back into the loop
$9.99 Kindle · paperback & hardcover available
📚 Amazon · New
🌀

Vestibular Migraine: My Head Doesn’t Hurt, but I’m Dizzy

The most under-recognized cause of recurring dizziness. A patient guide to migraine that shows up as vertigo instead of headache — how it is recognized, diagnosed, and treated. Part of the What Your Doctor Didn’t Have Time to Explain series.

  • Why recurrent dizziness can be migraine — even with no head pain
  • How vestibular migraine is diagnosed, and how it differs from Ménière’s and BPPV
  • What helps during a vertigo attack
  • Preventive treatment that actually reduces the spells
  • When dizziness is a red flag that needs urgent evaluation
$9.99 Kindle · paperback & hardcover available
Book a Consultation

Suffering from Headaches? Get a Specialist’s Answer

Most “untreatable” headaches aren’t rare diseases. They are common conditions that were never named precisely.

$29 one question

Ask One Question

One focused question. A written answer from me — not a template. Plain English, with the reasoning shown.
Answered within 48 hours
Answered personally
Every reply is written by Dr. Guak himself — never AI, never a template.
Full refund if I can’t help
If your case needs urgent or in-person care, I’ll tell you and refund you in full.
25 years · 100,000+ patients
A board-certified neurologist who treats headache full-time.

Headaches Are Not to Be Endured — They Are to Be Treated

Take the first step today. Korea’s #1 headache specialist is here with you.

📚 Headache Information Library

Dr. Tae Ho Guak
Dr. Tae Ho Guak, MD — Neurologist • Headache Specialist

Graduate of the Catholic University of Korea College of Medicine, with neurology residency at St. Mary’s Hospital, the Catholic University of Korea. Now in his twenty-fifth year as a neurologist, with a practice centred on headache. #1 individual clinic in Korea for Triptan, Ajovy • Emgality (CGRP antibody) prescriptions. Director of Riche Neurology & Headache Clinic, Bundang. Member of the Korean Headache Society and the American Academy of Sleep Medicine. Clinical faculty, Catholic University of Korea College of Medicine.

⚕️ Medical Disclaimer: HeadacheFree.Doctor offers educational content and second-opinion consultations only. It does not provide diagnosis, treatment, prescription, or emergency care. Consult your local physician for any clinical decisions and call your local emergency number for urgent symptoms.
© 2026 HeadacheFree · Dr. Tae Ho Guak, Neurologist · EOS Brain Science Institute · Business Reg. 835-25-00409Terms of Service · Medical Disclaimer · Privacy Policy

Scroll to Top