Chronic Migraine

Chronic migraine is defined as 15 or more headache days per month for at least three months, with at least eight days having migrainous features. It often evolves from episodic migraine, leading to significant disability. Effective treatment requires identifying triggers, optimizing preventive therapy, and using acute medications appropriately.

Migraine Phases

• Prodrome: mood changes, food cravings, neck stiffness, yawning
• Aura (in ~25%): visual disturbances, sensory changes, speech difficulty
• Headache phase: throbbing or pressure pain, photophobia, phonophobia, nausea
• Postdrome: exhaustion, brain fog, residual neck pain

Triggers

• Stress, sleep disruption, jet lag
• Hormonal fluctuations (estrogen drop around menstruation)
• Certain foods (aged cheese, processed meats, artificial sweeteners, MSG)
• Alcohol (especially red wine), dehydration, skipping meals
• Weather changes, bright lights, strong smells
• Overuse of acute medications (“rebound” headaches)

Diagnosis

• Detailed history and headache diary
• Neurological exam to rule out secondary causes
• Neuroimaging (MRI) if red flags: sudden onset, neurologic deficits, age > 50 with new headaches
• Labs only as indicated (thyroid, anemia, vitamin D)

Treatment & Management

Lifestyle Foundations

• Maintain consistent sleep/wake routines
• Stay hydrated and eat regular balanced meals
• Exercise 3–4 times weekly with gradual intensity increases
• Practice stress management: mindfulness, CBT, biofeedback
• Avoid known triggers where possible; use blue-light filters or sunglasses

Acute Treatments

• NSAIDs, acetaminophen, or combination analgesics (within safe frequency)
• Triptans or ditans (lasmiditan) for moderate–severe attacks
• Gepants (ubrogepant, rimegepant) for patients who cannot take triptans
• Antiemetics for nausea
• Nerivio device or external vagus nerve stimulation for medication-free rescue

Preventive Therapies

• Oral medications: beta-blockers, topiramate, valproate, tricyclics, candesartan
• CGRP monoclonal antibodies (erenumab, fremanezumab, galcanezumab, eptinezumab)
• CGRP oral antagonists (rimegepant, atogepant) with dual acute/preventive use
• OnabotulinumtoxinA (Botox) injections every 12 weeks for chronic migraine
• Neuromodulation devices: single-pulse TMS, external trigeminal stimulation

Medication Overuse Headache (MOH)

• Limit acute meds to ≤ 10 days/month (triptans) or ≤ 15 days/month (NSAIDs)
• Supervised detox and bridging therapy when MOH suspected

Living with Chronic Migraine

• Keep a detailed migraine diary (pain level, triggers, aura, medications, menstrual cycle, sleep)
• Build a “migraine toolkit”: hydration, ice packs, earplugs, dark glasses
• Communicate with employers/schools for accommodations
• Address anxiety/depression with therapy; social isolation worsens pain

Complications

• Medication overuse headaches
• Anxiety, depression, sleep disorders
• Work or school absenteeism, financial burden
• Stroke risk is slightly elevated in migraine with aura (especially in smokers/on estrogen therapy)

Research & Future Directions

Emerging areas include precision CGRP modulation, personalized digital therapeutics, hormone-based prevention, and microbiome links.

Experimental & Emerging Treatments

• Oxygenated Nanocarriers & Nasal CGRP Antagonists: Fast-onset therapies aim to halt attacks within minutes without injections.
• Monoclonal Antibodies for PACAP: Targeting pituitary adenylate cyclase-activating peptide offers another pathway for refractory cases.
• Gene Therapy for Rare Familial Migraine: Investigational efforts explore correcting channelopathies (CACNA1A, ATP1A2).
• Implantable Neuromodulation: Sphenopalatine ganglion and occipital nerve stimulators are in trials for extremely refractory migraine.

Track Migraines with Diagnoza.care

Demystify Your Migraine Triggers – Log attack frequency, aura details, triggers, medications, and relief techniques, schedule neurology visits and infusion appointments, capture side effects, and let the AI companion spot patterns that guide preventive adjustments.

---

Medical Disclaimer: Educational only. Work with your neurologist or headache specialist to personalize diagnostic evaluations and treatment plans. Sources: International Headache Society, American Headache Society, National Institute of Neurological Disorders and Stroke