Anxiety
Adult: 25–50 mg once at night
Depression
Adult and child >16 years: Initially, 75 mg
daily in divided doses or as a single dose at bedtime increased
gradually as necessary to 150–200 mg Reduce dose in elderly
Neuropathic pain
Initially 12.5–25 mg at night or every 12 hours depend ing on
response
Migraine prophylaxis
Initially 12.5–25 mg at night, increased if necessary to
maintenance of 50–75 mg at night (max 150 mg)