What is the dull ache in the back of the left head

1. Tension headache

patients may

be caused by

long-term poor sleep quality, mental stress, bad posture and other factors to induce the head and neck muscles to continue to contract tension, causing dull pain in the left back of the head, accompanied by dizziness, insomnia and other symptoms.

2. Nerve root type cervical spondylosis

patients may be caused by cold, trauma, fatigue and other factors leading to degenerative changes in the cervical spine, stimulation and compression of the cervical nerve root, dull pain in the back of the head symptoms.

3. Brain tumor

patients may be caused by viral infection, exposure to carcinogens and other factors causing intracranial tumors, resulting in increased intracranial pressure, causing headache, vomiting and other symptoms, manifested as dull pain in the left back of the head.