There are several ways to relieve headaches after prolonged crying: 1. Patients should calm their moods and keep deep breathing, which can effectively promote blood circulation in the body and increase the oxygen content to avoid alkalosis. 2. 4. You can divert your attention to aerobic exercise, such as jogging, walking, swimming, etc., to regulate your mood and relieve emotional stress, which can also increase the oxygen content in your body to relieve pain. If the patient has difficulty in breathing, he needs to be sent to the hospital in time to give oxygen treatment to stabilize the oxygen content in the body, which can effectively relieve the symptoms of alkalosis and headache.