The : The cause of headaches can be difficult to diagnose. If a patient has chronic headaches, it can be caused by migraines or irritation to the nerves, such as trigeminal neuralgia, which commonly causes facial pain. Muscle pain can cause muscle tension headaches. If a patient has new headache, fever, vomiting, vision changes, or any neurological symptoms then it could be a more serious cause of headache that should have a medical evaluation.
Answered 10/3/2016
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