Methods	Prospective Randomized Double-blind Placebo-controlled Study
Participants	29 participants (14 intervention, 15 control), out patients aged 30 - 80 years who had herpes zoster pain, and assessed equal or more than 4 on a 0 - 10 point Likert scale during the period between day 7 and day 14 of acute disease
Interventions	Intervention: 75 mg pregabalin po bid (150mg/day) Placebo: placebo drug po bid Can rise to 150 mg po bid (300 mg/day)
Outcomes	PHN incidence Adverse events
Notes	-