what causes Migraine


what causes Migraine


A Migraine headache is caused by inflammation or irritation of structures that surround the brain or affect its function. While the brain itself has no pain nerve fibers, everything else above the shoulders, from the neck, skull, and face, can cause a person to have of head pain. Systemic illnesses, including infection or dehydration, can have associated headache. These are known as a toxic headache. Changes in circulation and blood flow or trauma can also cause a headache.

Changes in brain chemistry may also be associated with a headache: medication reactions, drug abuse, and drug withdrawal can all cause pain.

Every person is different so the history of a headache is important.Recognizing patterns or precipitating (foods were eaten, stress, etc.) factors, in combination with the physical examination and associated symptoms, can help identify the cause for each individual’s specific headache.

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