Pain in the back of the left side of the head may be caused by physiological factors, occipital neuralgia, cervical spondylosis, intracranial diseases, neurosis and other reasons.
1. Physiological factors: for example, in the near future, due to their own bad mood, psychological pressure, or excessive late-night, resulting in poor sleep quality, sleep time is not sufficient, it may cause the left back of the head pain.
2. Occipital neuralgia: usually caused by heavy metal poisoning, alcoholism and other reasons, when the occipital neuralgia attack, it may cause headache in the back of the left side of the head, may also be accompanied by limb weakness, neck pain and other symptoms.
3. Cervical spondylosis: It is common in patients with more serious conditions, especially those with cervical disc herniation, which is easy to compress local blood vessels and affect the blood supply of the vertebral basilar artery, and may cause left posterior headache.
4. Intracranial diseases: for example, intracranial infectious diseases, intracranial vascular disease, intracranial space-occupying lesions, can cause pain in the back of the left head.
5. Neurosis: headache of the nature of neurological weakness, which is usually related to the patient’s poor sleep, fatigue, mental stress.
Headache at the back of the left side of the head, after excluding physiological factors, should promptly seek medical attention.