There are four common causes of headaches after intercourse. First, neurovascular headache, the patient usually has a headache, and when the headache occurs after sex, this is due to mental appear mood swings and cause induced headache. Second, the patient may have a cervicogenic headache due to excessive tension in the head and neck muscles. Third, the patient may have high blood pressure, it is recommended to measure blood pressure, if there is elevated blood pressure, you can take oral antihypertensive drugs for treatment. Fourth, the patient’s physique is weak or he is anemic, and he is sensitive to the changes in the body, so he may have headache symptoms.