Lumbar vertebra 4/5 bulging, mostly due to lumbar disc herniation, can be under the guidance of the doctor to eat nutritive nerve, anti-inflammatory analgesic, relieve muscle spasm of drugs, such as methylcobalamin, diclofenac sodium, ethylpiperidone and so on. 1. Nutritional nerve drugs: lumbar disc herniation leads to nerve compression, nerve transmission is blocked, nutritional disorders, you can take oral methylcobalamin and other drugs to nourish the nerves. 2. Anti-inflammatory and analgesic drugs: the nucleus pulposus is extruded from the cleft of the annulus fibrosus, and there is no chemical barrier to protect the nerve root. The components of the nucleus pulposus produce significant stimulation of the nerve root, which can lead to inflammation of the nerve root, and it is necessary to take anti-inflammatory and analgesic drugs to control the pain and reduce the edema, and the commonly used drugs are diclofenac sodium and loxoprofen. 3. Drugs to relieve muscle spasm: If the pain is more serious, it may cause muscle tension and spasm, and can be treated with muscle relaxing drugs, such as Eperisone combination. When there is pain in the lower back and so on, you should consult a doctor in time and follow the doctor’s instructions for treatment.