A migraine is a complex neurological condition characterized by recurrent, often severe headaches typically affecting one side of the head. Unlike ordinary headaches, migraines are a distinct medical disorder involving changes in brain chemistry and nerve pathways. They are frequently accompanied by other debilitating symptoms and can last anywhere from a few hours to several days.

Types of Migraines

Migraines are classified into several types based on their features:

• Migraine without aura – the most common type; throbbing head pain without preceding sensory disturbances
• Migraine with aura – includes neurological symptoms (aura) such as visual disturbances, numbness, or speech changes before or during the headache
• Chronic migraine – 15 or more headache days per month for more than 3 months, with at least 8 being migraines
• Vestibular migraine – prominent dizziness or vertigo, with or without head pain
• Hemiplegic migraine – rare type causing temporary weakness on one side of the body
• Menstrual migraine – attacks triggered by hormonal changes around menstruation

Common Causes and Triggers

Migraines result from a combination of genetic and environmental factors. The exact mechanism involves abnormal brain activity affecting nerve signals, chemicals, and blood vessels. Common triggers include:

• Hormonal changes (especially estrogen fluctuations in women)
• Stress, anxiety, or emotional tension
• Sleep disruption — too much or too little
• Certain foods and drinks: aged cheeses, alcohol (especially red wine), caffeine, processed foods containing MSG or nitrates
• Skipping meals or dehydration
• Sensory stimuli: bright or flickering lights, loud sounds, strong odors
• Weather changes or barometric pressure shifts
• Physical overexertion
• Certain medications (including overuse of pain relievers)

The Four Phases of a Migraine

Many migraine sufferers experience some or all of the following phases:

• Prodrome (1–2 days before) – subtle warning signs such as mood changes, food cravings, neck stiffness, or frequent yawning
• Aura (up to 60 minutes before or during) – reversible neurological symptoms including visual phenomena (flashing lights, blind spots, zigzag patterns), tingling, numbness, or difficulty speaking
• Headache phase (4–72 hours) – throbbing or pulsing pain, usually one-sided; nausea, vomiting; sensitivity to light, sound, and smell
• Postdrome (“migraine hangover”) – exhaustion, confusion, or mild head pain lasting up to a day after the headache resolves

Symptoms

• Moderate to severe throbbing or pulsating head pain, often one-sided
• Nausea and vomiting
• Extreme sensitivity to light (photophobia) and sound (phonophobia)
• Visual disturbances or aura
• Pain that worsens with routine physical activity
• Dizziness or vertigo (in vestibular migraines)

Diagnosis

There is no single test for migraines. Diagnosis is based on a detailed medical history, a description of symptoms, and a neurological examination. Your doctor may order imaging (MRI or CT scan) to rule out other causes. Keeping a headache diary — tracking frequency, duration, triggers, and symptoms — is a valuable tool for diagnosis and management.

Treatment Options

Migraine treatment falls into two categories: acute (stopping an attack) and preventive (reducing frequency).

• Acute treatments: over-the-counter pain relievers (ibuprofen, acetaminophen), triptans (sumatriptan, rizatriptan), gepants (ubrogepant, rimegepant), anti-nausea medications, and ergotamines
• Preventive treatments: beta-blockers, antidepressants, anticonvulsants (topiramate, valproate), CGRP monoclonal antibodies (erenumab, fremanezumab), and Botox injections for chronic migraine
• Non-drug approaches: biofeedback, cognitive behavioral therapy (CBT), acupuncture, magnesium supplementation, and riboflavin (vitamin B2)
• Lifestyle strategies: consistent sleep schedule, regular meals, hydration, stress management, and identifying and avoiding personal triggers

When to Seek Emergency Care

Seek immediate medical attention for a headache that is sudden and severe and/or accompanied by fever, stiff neck, confusion, vision loss, difficulty speaking, or weakness — these may signal a serious condition such as tumor, stroke or meningitis.
You should discuss and/all headache with your medical provider.