In a meta-analysis of nine previous studies on cervicogenic headaches, scientists found little or no difference in pain between Botox and a saline injection.
In addition, almost all Botox injections involve health risks, such as muscle tenderness or pain, weakness and generally feeling sick. A few patients have anaphylactic reactions and some patients have died.
Read the Cochrane Library report on Botox.
Related Articles on Using Botox to Relieve Pain:
Mayo Clinic: Botox May Ease Spinal Headaches
Injecting Botox Into Spine Could Relieve Pain
Botox-A Provides Only Limited Pain Relief for Cervical Myofascial Pain Syndrome
