Headache - Migraine
Migraine is a neurological condition characterized by recurring, severe headaches often accompanied by other symptoms. Here's an overview of migraine, including symptoms, causes, diagnosis, and treatment:
Symptoms:
- Headache: Migraine headaches are typically throbbing or pulsating and often affect one side of the head. They can last for hours to days and worsen with physical activity.
- Aura: Some people experience aura before or during a migraine attack, which may include visual disturbances (flashes of light, blind spots), sensory changes, or speech difficulties.
- Sensitivity: Sensitivity to light, sound, and smells is common during a migraine attack.
- Nausea and vomiting: Many migraine sufferers experience gastrointestinal symptoms such as nausea and vomiting during attacks.
- Other symptoms: Migraine attacks may also cause fatigue, neck stiffness, and difficulty concentrating.
Causes:
- Genetics: Migraine tends to run in families, suggesting a genetic predisposition.
- Triggers: Certain factors can trigger migraine attacks in susceptible individuals, including hormonal changes (such as menstruation or menopause), stress, lack of sleep, certain foods (e.g., aged cheeses, processed meats), caffeine, alcohol, bright lights, strong odors, and changes in weather.
- Neurological factors: Migraine is believed to involve abnormal brain activity, particularly involving the trigeminal nerve, which may lead to changes in blood flow and the release of inflammatory substances.
Diagnosis:
- Medical history: A doctor will ask about the frequency, duration, and characteristics of your headaches, as well as any associated symptoms.
- Physical examination: A physical exam will be performed to rule out other potential causes of headaches.
- Diagnostic criteria: Migraine is diagnosed based on specific criteria outlined by organizations like the International Headache Society, which include the duration and characteristics of headaches, as well as associated symptoms.
- Tests: In some cases, imaging tests such as MRI or CT scans may be ordered to rule out other underlying conditions.
Treatment:
- Acute treatment: Over-the-counter or prescription medications such as nonsteroidal anti-inflammatory drugs (NSAIDs), triptans, or anti-nausea medications may be used to relieve migraine symptoms during an attack.
- Preventive treatment: For frequent or severe migraines, preventive medications such as beta-blockers, antidepressants, anticonvulsants, or CGRP inhibitors may be prescribed to reduce the frequency and severity of attacks.
- Lifestyle changes: Identifying and avoiding triggers, maintaining a regular sleep schedule, staying hydrated, practicing stress management techniques, and adopting a healthy diet may help reduce migraine frequency and severity.
- Alternative therapies: Some people find relief from migraines through alternative therapies such as acupuncture, biofeedback, cognitive-behavioral therapy, or herbal supplements.
It's important to work closely with a healthcare provider to develop an individualized treatment plan based on your specific symptoms, triggers, and medical history.