How is the pain in the back of the head caused?

The first condition, which may be caused by tension headache, often presents occipital pain, which is dull in nature and not particularly severe, but gives the patient a very uncomfortable feeling, mainly due to prolonged contraction of the neck and posterior occipital muscle fascia, ischemia, and hypoxia; the second condition may also be greater occipital neuralgia, which often presents posterior occipital pain; Third, pay attention to whether the patient has meningeal irritation sign, if it shows some light subarachnoid hemorrhage, viral meningitis, may also show pain in the posterior occipital region.