Table 1. Medication Dosage and Duration Information
Medication
Class Medication Dosage Duration
SNRI duloxetine 40–60 mg/d 12 weeks
venlafaxine 150–225 mg/d 6 weeks
desvenlafaxine 200 mg/d 13 weeks
Gabapentinoid gabapentin 900–3,600 mg/d 4–8 weeks
pregabalin 300–600 mg/d 5–12 weeks
mirogabalin 15–30 mg/d 5 weeks
Sodium channel
antagonist
oxcarbazepine 1,400–1,800 mg/d 16 weeks
lamotrigine 200–400 mg/d 6 weeks
lacosamide 400 mg/d 12 weeks
Sodium channel
blocker
valproic acid 1,000–1,200 mg/d, or
20 mg/kg/d
4–12 weeks
TCA amitriptyline 75–150 mg/d 6 weeks
Capsaicin capsaicin 8% for 30 min/application, or
0.075% 4 times per day
12 weeks
