What causes pain in the right rear part of the head?

In general, pain in the right posterior part of the head may be caused by autonomic nervous system dysfunction, hypertension, subarachnoid hemorrhage, or other reasons. Treatment should be based on the underlying cause.

1. Autonomic nervous system dysfunction: If a patient frequently stays up late or experiences excessive mental stress recently, it may lead to autonomic nervous system imbalance, resulting in pain in the right posterior part of the head. This condition usually does not require specific treatment. Maintaining a relaxed mood and avoiding staying up late can help alleviate the discomfort.

2. Hypertension: A sudden increase in blood pressure can elevate intracranial pressure, causing acute and severe headaches. Timely antihypertensive treatment is necessary. Medications such as nifedipine or irbesartan should be taken as directed by a physician.

3. Subarachnoid hemorrhage: Patients may experience a sudden, severe headache, often presenting as pain in the right posterior head or neck, and may also have symptoms such as nausea and vomiting. It is recommended to seek immediate medical attention for a head CT scan. After diagnosis, pain relievers such as acetaminophen with codeine tablets or ibuprofen sustained-release capsules may be taken orally as prescribed to relieve headache. Severe cases may require surgical intervention.