Head: headache, migraine, dizziness, head swelling, trigeminal neuralgia; Eyes: glaucoma, diplopia, myopia, visual fatigue, vision loss, nearsightedness, eye strain, eye pain, dry eyes, eye swelling, eyelid fluttering, reluctance to open eyes, photophobia, tearing; Nose: allergic rhinitis, itchy nose, sneezing, runny nose, nasal congestion; Ears: tinnitus, hearing loss, deafness, inner ear vertigo, external ear canal pain; Throat. Itching and pain in the throat, hoarseness, difficulty in swallowing, tingling in the throat, foreign sensation in the throat, aphasia, salivation; Face: numbness of the head and face, sudden facial nerve palsy; Mental changes: irritability, insomnia, drowsiness, fainting, mental fatigue, sleepiness and wakefulness, transient ischemic attack; Respiratory system: asthma, chronic bronchial, bronchiectasis; Cardiovascular system: hypertension, blood pressure either high or low, heart rate either fast or slow, arrhythmia, chest pain Gastrointestinal system: esophagitis, gastritis, nausea, eructation, bloating; Skin: hives, cold sensation, burning sensation, swelling sensation, excessive sweating; Shoulder and back: shoulder pain, back pain, back weight, pulling sensation; Upper extremity: upper extremity numbness, upper extremity swelling, upper extremity electric shock sensation, upper extremity weakness, hand tremor, holding objects to the ground; Lower extremity: unstable walking, cotton tread sensation, lower extremity weakness; Other: general tightness, hemiplegia, hemiparesis. Note: Cervical spine problems can cause the above manifestations, but not all manifestations are caused by the cervical spine.