Carbamazapine for Inherited Erythromelalgia Patients With NaV1.7 Mutations

"Day 1: Take 200 mg twice a day. Day 2: Take 200 mg twice a day. Day 3: Take 200 mg twice a day. Day 4: Take 200 mg twice a day. Day 5: Take 400 mg twice a day. Day 6: Take 400 mg twice a day. Day 7: Take 400 mg twice a day. Day 8: Take 400 mg twice a day. Day 9: Take 600 mg twice a day. Day 10: Take 600 mg twice a day. Day 11: Take 600 mg twice a day. Day 12: Take 600 mg twice a day. Day 13: Take 800 mg capsules twice a day. Day 14: Take 800 mg twice a day. Day 15: 800 mg twice a day. Day 16: Take 800 mg twice a day.~Taper Down (After Visit 4 and 7) If maximal dose of 800 mg/day has been achieved, tapering down will take 9 days Taper down for 600 mg/day will take 6 days, and for 400 mg/day will take 3 days."