Common causes of dizziness after lumbar disc herniation surgery include anesthetic reaction, hypoglycemia, hypertension, anemia and so on. 1. Anesthetic reaction: for a period of time after surgery, due to the anesthetic has not been fully metabolized, dizziness, fatigue and other symptoms can occur, and can be relieved after a certain period of time. 2. Hypoglycemia: due to the surgery will cause physical injury, cause the body stress reaction, energy consumption increases, if the sugar intake is insufficient, can appear hypoglycemia, mostly accompanied by palpitations, cold sweat and other symptoms. 3. High blood pressure: Due to the pain of the surgical opening after the operation, it causes the blood pressure to rise, and the symptom of dizziness can also appear. 4. Anemia: If there is too much bleeding during the surgery, or if you are usually anemic, resulting in insufficient blood supply to the brain, you can also experience symptoms such as dizziness, fatigue and pallor. There are more causes of dizziness after lumbar disc herniation surgery, so it is recommended to combine with your own situation and treat under the guidance of your doctor.