Migraine: A Neurological Disorder That Goes Beyond a Headache—Here Are the Causes
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(Illustration by The Epoch Times, Shutterstock)
By Mercura Wang
3/8/2026Updated: 3/8/2026

Migraine is capable of far more than a splitting headache. It is a complex neurological disorder that can disrupt vision, movement, speech, and mood—and it remains one of the most undiagnosed and untreated conditions in the world. Roughly 12 to 15 percent of Americans experience migraines, and despite stable prevalence over the past three decades, migraine-related disability in the United States has continued to rise.

A growing range of treatments and natural approaches—from targeted medications to mindfulness and herbal remedies—can meaningfully reduce the frequency and severity of attacks.


 



Migraine is a genetically influenced neurological disorder marked by recurring episodes of moderate to severe headaches, often affecting one side of the head, sometimes going beyond and affecting the neck, face, or entire head.

Phases of Migraine


Most migraine attacks unfold in stages, and recognizing them can help people act early to reduce severity. Not everyone experiences every phase, and phases can overlap.

1. Prodrome (hours to days before): Subtle warning signs may appear, including mood swings (from depression to euphoria), food cravings, neck stiffness, fatigue, excessive yawning, increased thirst and urination, or constipation. These are not triggers; they are just early signs the migraine has begun.

2. Aura (up to one hour before): At least 25 percent of people with migraine experience aura—reversible neurological symptoms that typically appear 10 minutes to an hour before the headache.


  • Visual disturbances (scintillating scotoma): A brief blind spot in the center of vision followed by shimmering, brightly colored, zig-zagging lights

  • Numbness or tingling: “Pins-and-needles” sensations in the arm, leg, or face

  • Muscle weakness: Often affecting one side of the body

  • Difficulty speaking: Trouble forming or finding words

  • Unusual sensory experiences: Hearing strange sounds or music

  • Involuntary movements: Such as jerking motions

  • Throbbing or pulsating headache: Typically builds gradually and intensifies over time

  • Nausea or vomiting

  • Sensitivity to light, sound, smell, or touch


3. Attack (4 to 72 hours): The migraine is in its active phase. A migraine headache usually begins gradually and intensifies over time. Pain is typically throbbing or pulsating and may be accompanied by nausea, vomiting, or sensitivity to light, sound, smell, or touch.


  • Throbbing or pulsating head pain

  • Nausea

  • Vomiting

  • Sensitivity to light, sound, smells, and touch


4. Postdrome (up to two days after): The postdrome phase can leave a person feeling drained, confused, and washed out. Some may experience mood changes or brief pain triggered by sudden head movements, while others even feel unusual elation. Concentration may be difficult, dizziness can occur, and overall energy is typically low.


5. Interictal (between attacks): The period between migraine attacks with an unpredictable duration, which may leave people anxious about when the next episode might strike.

Different Types of Migraine


Different types of migraine also have varying symptoms.

The two main forms are migraine without aura (about 75 percent of cases), in which attacks occur without any warning signs, and migraine with aura (about 25 percent), in which neurological symptoms such as shimmering lights, tingling, or speech difficulty precede the headache. Both can be episodic—up to 14 headache days per month—or chronic, meaning 15 or more days per month.

Less common variants include menstrual migraine (triggered by hormonal changes around menstruation), silent migraine (all the usual symptoms but no headache), hemiplegic migraine (a rare form that can cause temporary one-sided paralysis), and abdominal migraine (mainly affects children, causing stomach pain rather than head pain). These subtypes may exhibit different symptoms.

One common point of confusion: migraines can cause “sinus-like” symptoms such as watery eyes, nasal congestion, and facial pressure, leading many people to mistake them for sinus headaches. Migraines also tend to occur in the morning—sometimes upon waking—or at predictable intervals, such as after a stressful week.

Emergency Symptoms


Most migraines, while debilitating, are not medically dangerous. However, seek immediate medical care if you experience a sudden, severe “thunderclap” headache that reaches maximum intensity within seconds, or a headache that is different from your usual pattern.

Urgent evaluation is also needed if your migraine includes new neurological symptoms (e.g., aura, numbness, tingling, weakness, and double vision) or signs of stroke (sudden weakness on one side, vision changes, speech difficulty, confusion, or balance problems), or if the headache follows a head injury, worsens when lying down or coughing, progressively intensifies, or occurs in the morning with persistent nausea.

You should also seek care if a migraine lasts longer than 72 hours, if aura symptoms persist for more than an hour at a time, or if you are pregnant or have recently given birth.


Migraine is not “just a headache”—it is a complex neurological event involving changes in brain chemistry, electrical signaling, and blood vessel behavior.

During a migraine, the brain enters a state of heightened excitability. A network of nerves and blood vessels at the base of the skull—called the trigeminovascular system—becomes activated, sending pain signals to the face and head. This activation also affects the brainstem, contributing to symptoms like nausea and light sensitivity.

At the same time, the brain’s chemical messengers (neurotransmitters) become overactive and trigger pain pathways, disrupting the systems that govern appetite, sleep, mood, and focus, which helps explain many of the symptoms that appear before and after the headache itself. Several neurotransmitters play key roles in a migraine episode:


  • Calcitonin gene-related peptide (CGRP): Causes blood vessels to dilate and activates pain-sensitive nerves, contributing to pain and light sensitivity.

  • Serotonin: Influences blood vessel swelling, head pain, sleep, mood, and cognitive changes.

  • Dopamine: Affects mood, motivation, focus, and sleep, and is strongly linked to nausea, yawning, dizziness, and vomiting—common migraine symptoms.


In people who experience aura, researchers believe the symptoms result from a phenomenon called cortical spreading depression—a slow wave of electrical activity that moves across the brain, temporarily disrupting specific regions. When it passes through the visual cortex, for example, it can cause the characteristic shimmering lights or blind spots of visual aura.

Risk Factors

Migraine typically starts around puberty and most commonly affects individuals between the ages of 35 and 45. Researchers believe that migraine likely results from a combination of genetic, environmental, and neurological factors.


  • Genetics and family history: Migraine has a strong genetic component, with close relatives of affected individuals having about three times the risk. It is likely influenced by multiple genes interacting with environmental factors, particularly genes involved in nerve and blood vessel function.

  • Sex and hormones: Migraine is significantly more common in women than in men, affecting approximately 17 to 19 percent of women compared with 5 to 7 percent of men, according to a 2024 systematic review. Hormonal fluctuations during the menstrual cycle and pregnancy likely contribute to the higher rates of migraine in women.

  • Co-existing medical conditions: Depression, anxiety, fibromyalgia, sleep apnea, and postural orthostatic tachycardia syndrome (PoTS) can increase migraine risk. Effectively managing these conditions may improve migraine treatment outcomes.

  • Obesity: In addition to being a risk factor, obesity worsens migraine by increasing headache frequency in people with episodic migraine and raising the risk of progression to chronic migraine.

  • Childhood trauma and abuse: Physical, emotional, and sexual abuse in childhood can alter neurological development in ways that increase the risk of migraine and other pain conditions. Emotional abuse appears to have the strongest association.

  • Ethnicity: Migraine is more common among Native Americans than other ethnicities.


Migraine Triggers

Triggers do not cause migraine in people who are not susceptible—they simply push someone who are already predisposed to migraine past their individual threshold for an attack.

These triggers vary greatly between individuals—almost any stimulus can provoke an attack in someone with heightened sensitivity. Identifying personal triggers can be challenging, as according to the “threshold theory,” a single trigger may not cause a migraine, but multiple triggers occurring together can. This threshold can shift over time.

The following are several probable triggers:


  • Stress and emotional factors (most common—up to 80 percent of cases): Examples include stress, anxiety, tension, depression, and even excitement.

  • Physical triggers: Examples may include fatigue, sleep loss or irregular sleep patterns, intense physical exertion, neck or shoulder tension, eye strain (such as prolonged computer use), and dental issues like teeth grinding.

  • Skipped meals and dietary factors (around 57 percent of cases): Skipping meals, irregular eating, dehydration, and specific foods or additives are commonly reported. Alcohol—particularly red wine—is the most frequently cited food-related trigger. Other common offenders include chocolate, aged cheese, citrus fruits, caffeine, MSG, tyramine, aspartame, and nitrates. Emerging evidence suggests that some food cravings may actually be early prodrome symptoms rather than triggers.

  • Weather and environmental changes (around 53 percent of cases): Shifts in humidity, barometric pressure, or temperature are frequently reported triggers, as are bright or flickering lights, loud noises, strong odors, and smoky or stuffy environments.

  • Certain medications: Some sleeping tablets, the combined oral contraceptive pill, other estrogen-containing contraceptives (such as the ring or patch), and hormone replacement therapy.

  • Illnesses: Infections like the common cold or influenza can trigger migraines, especially in children.



Doctors typically diagnose migraine based on a patient’s symptoms, personal and family history, and a physical and neurological examination, guided by standardized criteria from the International Classification of Headache Disorders, 3rd edition (ICHD-3).

However, if your symptoms are unusual or your exam shows abnormal findings, your doctor may order additional tests to rule out underlying health conditions, such as:


  • Blood tests: Check for medical conditions through various lab analyses.

  • Sinus X-rays: Detect congestion or other sinus issues that may contribute to headaches.

  • MRI: Uses magnets and radio waves to create detailed images of organs and structures.

  • CT scan: Combines X-rays and computer technology to produce detailed images of the head or body, showing more detail than standard X-rays.

  • Spinal tap (lumbar puncture): Measures pressure in the spinal canal and allows testing of cerebrospinal fluid to detect infections or other problems.

  • Electroencephalogram (EEG): Evaluates for possible seizures.

  • Headache diaries: Used in migraine diagnosis to track the frequency, duration, triggers, and characteristics of headaches, helping clinicians identify patterns and confirm a migraine diagnosis.



There is currently no definitive cure for migraine, but a range of treatments is available to help relieve and manage the symptoms.

Migraine management combines acute treatments for immediate relief, and personalized lifestyle changes targeting individual triggers that we will explore in the next section.

Because migraines involve multiple neurotransmitters and neural pathways, treatment can be challenging, and different patients may respond better to therapies targeting different chemical systems.

Acute/Abortive Treatments


These medications can stop a migraine at its onset or prevent it from worsening once it begins.

For mild to moderate migraine attacks, nonsteroidal anti-inflammatory drugs (NSAIDs) are considered first-line treatment, with strong evidence supporting agents such as aspirin, ibuprofen, and diclofenac potassium; acetaminophen may also be effective. For moderate to severe attacks, triptans are first-line options and work by targeting serotonin to reduce pain and inflammation, although they are not recommended for certain individuals. Newer alternatives include gepants, which block CGRP and can be used for acute and, in some cases, preventive treatment; unlike triptans, they do not constrict blood vessels and are safer for patients with cardiovascular risk. Ditans, such as lasmiditan, also treat acute migraine without causing vasoconstriction, making them suitable for people with heart disease or stroke risk.

Other treatment options include ergots, such as ergotamine and dihydroergotamine, which act on serotonin receptors and are most effective when taken early; dihydroergotamine can be administered by injection or nasal spray and is often combined with an anti-nausea medication. Certain antiemetics, including prochlorperazine and metoclopramide, may help relieve mild to moderate migraines, particularly in patients who cannot take triptans or ergots. Opioids are reserved as a last resort for severe migraines when other therapies fail, as they carry risks of medication overuse headache, dependence, and increased nervous system sensitivity.

It is important to note that overuse of analgesics, caffeine (from medications or beverages), or triptans can result in more frequent and severe headaches, known as medication overuse headaches. This typically occurs when these medications are taken on more than 15 days per month for longer than three months.

Treatments to Reduce Migraine Frequency


Migraine treatment helps reduce the frequency, severity, and duration of attacks, improves response to acute medications, and lowers disability. It can also decrease the need for pain relievers, helping prevent medication overuse headaches. It is typically considered when migraines are frequent (more than four per month), severely disabling, or not well controlled with acute medications alone.

Beta-blockers such as propranolol and metoprolol are particularly effective in hypertensive, nonsmoking patients. Certain antidepressants, including amitriptyline and venlafaxine, are helpful—especially for individuals with coexisting depression, anxiety, or insomnia. Anticonvulsants such as valproate acid and topiramate can also reduce migraine frequency, particularly in people with epilepsy, while topiramate may also benefit those who are overweight. Calcium channel blockers like verapamil and flunarizine are additional options, especially for women of childbearing age.

For patients who do not respond to traditional therapies, CGRP monoclonal antibodies are effective preventive options when other medications fail. Botulinum toxin (onabotulinumtoxinA) is recommended for adults with chronic migraine, defined as headaches occurring on 15 or more days per month and lasting at least four hours daily.

Neuromodulation Devices


Wearable or handheld devices that stimulate specific nerves in the body offer a nondrug option for both treating migraines and preventing attacks. They are well-tolerated with few side effects.

  • External trigeminal nerve stimulation (eTNS) device: Used for both acute and preventive treatment of episodic migraine in adults, it is worn on the forehead. It works by stimulating the trigeminal nerve, which is involved in migraine.

  • Remote electrical neuromodulation (REN) device: It is worn on the upper arm for episodic and chronic migraine in adults and adolescents. It activates the body’s natural pain-inhibition system to reduce migraine pain.

  • Vagus nerve stimulator: This noninvasive handheld device is applied to the neck and is used for both acute and preventive treatment of migraine and cluster headaches in adults and adolescents.

  • Single-pulse transcranial magnetic stimulation device: Worn or held against the back of the head, it delivers brief magnetic pulses to the skull to interrupt abnormal activity associated with migraine. Used for both acute and preventive treatment.   


Alternative/Complementary Therapies



  • Acupuncture: A 2025 meta‑analysis found acupuncture significantly reduced migraine frequency, duration, and headache days compared with control treatments, with few side effects. It is a well-supported complementary option.

  • Craniosacral therapy: A gentle, noninvasive manual therapy combining massage and osteopathic techniques.  A 2022 study found it may help reduce migraine pain and frequency and decrease disability and medication use.

  • Feverfew: A traditional herbal remedy for migraine. A 2025 meta-analysis found it reduced migraine attack frequency and duration, although it did not significantly improve nausea or other associated symptoms.

  • Green light therapy: A 2025 study found that regular exposure to green light reduced migraine pain intensity and frequency, improved quality of life, and decreased medication use.

  • Wuzhuyu decoction (traditional Chinese Evodia rutaecarpa medicine): A 2018 study found this herbal formula reduced migraine pain intensity and frequency, and decreased pain medication use, more quickly than a placebo.

  • Goreinsan (traditional Japanese medicine): A 2018 study of 45 patients found this ancient formula improved headache intensity and frequency, particularly for weather-related migraines.


Novel and Emerging Therapies


The following treatments are investigational or newly available and may not yet be widely accessible.

  • CT-132: This is the first FDA-approved prescription digital therapeutic, which is software-based medical intervention, for preventing episodic migraine. Delivered through a smartphone app and used alongside existing treatments, it was approved based on two randomized clinical trials showing significant reductions in monthly migraine days.

  • Migraine Therapy System: A pilot study showed that this new fully implantable Migraine Therapy System led to lasting reductions in headache frequency and severity in people with chronic migraine.

  • PACAP-targeting monoclonal antibody: A promising new treatment for patients who do not respond to CGRP-based therapies. Pituitary adenylate cyclase-activating polypeptide (PACAP) appears to trigger migraines through a distinct pathway, making it an alternative target for future drugs.



Many people find significant relief through lifestyle changes and natural strategies.

Diet


A 2021 study found that a 16-week diet high in fatty fish helped 182 adults with frequent migraines reduce both the frequency and intensity of their migraine headaches. More broadly, it’s generally better to eat more protein, limit simple carbs and processed foods, and have three regular meals daily without skipping.

While some people benefit from gluten-free or keto diets, a healthy Mediterranean diet works well too—what matters most is choosing a diet you can maintain.

Keeping a food diary or trying a supervised elimination diet can help identify personal food triggers—but avoid letting this process disrupt regular, healthy eating habits, as food triggers are often overestimated.

Supplements


The following supplements are frequently discussed for managing migraine.

  • Magnesium: A 2024 meta-analysis found that magnesium supplementation significantly lowered migraine frequency and severity, and the number of headache days each month. Magnesium oxide is a commonly used form of magnesium to help prevent migraines.

  • Coenzyme Q10 (CoQ10): Coenzyme Q10 is a fat-soluble compound made by the body and obtained from food that helps produce cellular energy (ATP) in mitochondria and also acts as an antioxidant. A 2025 meta-analysis found that CoQ10, either alone or combined with other supplements, helped reduce migraine frequency, severity, and duration.

  • Riboflavin (vitamin B2): A 2025 review found that in one clinical trial, adults who took 400 mg of riboflavin daily for three months had about 50 percent fewer migraines and 40 percent fewer headache days compared with placebo, thus supporting its use for migraine prevention.


Aromatherapy


Essential oils can help with migraine pain and other symptoms such as nausea, relaxation, sleep, and easing muscle tension. However, use caution if strong scents trigger your symptoms. The most commonly used oils are:

  • Lavender: In a 2012 study, 47 adults with migraines inhaled lavender essential oil for 15 minutes during an acute attack and experienced a significantly greater reduction in headache severity over two hours compared with a group that didn’t use lavender oil. In a 2016 study, lavender essential oil used alongside standard migraine prevention therapy reduced migraine frequency and severity, suggesting potential preventive benefits.

  • Peppermint: A 2019 study found nasal application of peppermint oil significantly reduced headache intensity and frequency, relieving pain in most patients with migraine. Its effectiveness is similar to lidocaine, a type of anesthetics.


Meditation


A 2017 study involving more than 40 patients with chronic migraines found that mindfulness-based training produced results similar to conventional therapy. Both groups experienced reductions of six to eight headache days per month, used about seven fewer medications per month, and showed improved disability scores. Around half of the patients in each group achieved an over 50 percent reduction in headaches, and most no longer met criteria for chronic migraine.

Other Lifestyle Modifications


Please consult your doctor for suggestions to your specific situation.

  • Sleep: A 2022 study found that people who experience frequent migraines often have poor sleep quality. Aim for 7 to 8 hours nightly, keeping a consistent sleep schedule and avoiding naps. If you can’t sleep after 20 to 30 minutes, get up and try relaxation techniques.

  • Exercise: Start gently and exercise when migraine-free, aiming for approximately 30 minutes, three times a week. Moderate activity like walking is best; intense exercise can trigger migraines. 

  • Hydration: Drink 7 to 8 glasses of water daily and limit caffeine.



A person’s mindset can significantly influence the frequency, severity, and impact of migraine attacks, and how much they affect daily life. Negative patterns—such as stress, worry, catastrophizing, or feeling helpless about attacks—can increase susceptibility to migraines and amplify pain perception. Positive mindsets—like optimism, resilience, acceptance, and proactive coping—can genuinely reduce the burden of the condition. Mindfulness, self-efficacy, and stress management strategies also support healthier responses to migraine triggers.


The most effective way to manage migraines is often to focus on preventing the headache before it starts. This often involves a combination of lifestyle and therapeutic strategies.

  • Follow a consistent daily routine: regular sleep, meals, hydration, and exercise reduce vulnerability to triggers.

  • Identify and avoid modifiable triggers using a headache diary.

  • Consider preventive medication if attacks are frequent or disabling (see the treatment section above).

  • Practice regular stress reduction through yoga, meditation, cognitive behavioral therapy, or other techniques.

  • Maintain a healthy weight, as obesity worsens migraine frequency and is a risk factor for progression to chronic migraine.

  • Manage co-existing conditions such as depression, anxiety, and sleep disorders, which can amplify migraine burden.



Most people with migraine do not develop serious complications, but the following are recognized risks that are important to be aware of:

  • Mental health issues: People with migraine may have a slightly higher risk of mental health conditions, including depression, bipolar disorder, anxiety, and panic disorder.

  • Medication-overuse headaches: These are caused by taking too much headache or pain medicine. People with migraines may try to relieve their pain by using these medications frequently, but over time, this can actually make headaches happen more often. This creates a cycle where the medicine meant to help becomes the cause of new headaches. 

  • Ischemic stroke: This occurs when a blood clot blocks blood flow to the brain. People with migraine with aura have about twice the risk of ischemic stroke compared to those without migraine, although the overall risk remains low.

  • Status migrainosus: In this rare but serious complication, severe pain and nausea last longer than 72 hours. The symptoms can be so intense that hospitalization may be required.

  • Persistent aura without infarction: Aura symptoms last more than one week, but brain imaging shows no evidence of stroke.

  • Migrainous infarction: One or more aura symptoms occur along with reduced blood flow to the brain during a typical migraine attack.

  • Migraine aura-triggered seizure: A seizure is triggered during a migraine attack that includes aura.

  • Immobility: Severe pain during attacks can prevent normal function. Chronic migraine in particular can cause significant daily impairment and loss of productivity.

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