Defnac is used by intramuscular injection or intravenous infusion as directed by a doctor to effectively treat symptoms of osteoarthritis, rheumatism, menstrual cramps and headaches, etc. During the use of Defnac, patients need to strictly follow the doctor's instructions to ensure safety and avoid the risk of adverse reactions.

Lumbar syndrome has two component syndromes including spinal syndrome and nerve root syndrome. Examination of lumbar syndrome is a method performed to detect symptoms of the above two syndromes, thereby making a definitive diagnosis.