Many people suffer from extreme headaches, and often make the assumption that what they are suffering from are migraines. However, there is another possibility lurking in the world of head pain, and it is known as a cluster headache. This article discusses the basics of migraines and cluster headaches, and then reviews the key differences between them.
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Migraines are what comes to mind when many people think of severe headaches. A migraine is what is known as a vascular headache, meaning that it is caused by a combination of chemical release and blood vessel enlargement (known as vasodilation). When a person is suffering from a migraine, the temporal artery enlarges and stretches the nerves surrounding it. The stretching of these nerves leads to the aforementioned chemical release, which causes inflammation, pain, and often leads to further enlargement of the temporal artery. In turn, this leads to further chemical release, resulting in more pain. Migraine headaches typically involve a deep throbbing and pulsating pain. Migraines are often thought to be triggered by allergic reactions, exposure to bright lights, loud sounds, or certain odors/perfumes, physical or emotional stress, alcohol, caffeine, or skipping meals.
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