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Headaches are classified as either primary or secondary, and primary headaches are caused by problems with the structures in the head that are sensitive to pain. Secondary headaches are caused by any one of a number of u... More »

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Causes of nonprimary chronic daily headaches include conditions such as traumatic brain injuries, very high or very low intracranial pressure, inflammation of the brain's blood vessels, and infections such as meningitis,... More »

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According to Mayo Clinic, chronic daily headaches do not have a specific underlying cause, but they may occur in someone who has an underlying disease or condition, such as a brain tumor, brain inflammation or traumatic ... More »

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Some symptoms of neck arthritis are pain that may extend to the shoulders and arms, stiffness, headaches, muscle spasms, trouble turning the head and grinding sounds as the neck moves. Neck arthritis is also called cervi... More »

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Cluster headaches, often called the worst type of headache pain, are severe headaches on one side of the head that happen in groups, states WebMD. Cluster headaches usually occur over weeks or months and come in cycles, ... More »

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Symptoms associated with temporomandibular joint (TMJ) dysfunction include jaw pain, muscle pain, neck pain, shoulder pain, ongoing headaches and migraines, dizziness, ear pain, ear pressure, painful popping or clicking ... More »

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Fibromyalgia is observed by certain signs and symptoms including deep muscle pain, morning stiffness, headaches, general body weakness, sleep problems, irritable bowel syndrome and tender points. To be sure whether an in... More »

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