John Claude Krusz, Ph.D., M.D. - How botulinum toxins work
	Craig R. DuBois, M.D. - How Botox works on pain signals
	John Claude Krusz, Ph.D., M.D. - Botulinum toxins for trigeminal neuralgia & atypical face pain syndromes

Botulinum Injections

Botulinum toxin is injected under the skin or into a muscle to try to block pain signals in the certain nerves.  When effective, pain relief usually lasts for up to three months.  Drooping eyelids and mouth can be temporary side effects.

An open study of botulinum-A toxin treatment of trigeminal neuralgia
http://www.neurology.org/cgi/content/abstract/65/8/1306

Botox – MedicineNet.com
http://www.medicinenet.com/botox_treatment/article.htm

Botox Helps Patients Face Intractable Facial Pain
http://www.medpagetoday.com/Dermatology/GeneralDermatology/tb/1997

Botulinum Toxin in Pain Management
http://www.emedicine.com/pmr/topic218.htm

Long-distance retrograde effects of botulinum neurotoxin A.

Medical Uses of Botox® neurotoxin
http://www.botoxmedical.com/Default.aspx

The use of botulinum toxin for the treatment of chronic facial pain

Organizations

American Academy of Neurology (AAN)
http://www.aan.com/