Usual Adult Dose for Depression:
25 mg orally 3 to 4 times per day
-Maximum dose: 150 mg/day
Comments:
-The total daily dosage may be given once a day.
-Patients should be started at lower doses, and the doses should be gradually increased.
-When doses above 100 mg per day are given, plasma levels should be monitored and maintained in the optimum range of 50 to 150 ng/mL.
Use: Relief of symptoms of depression
Usual Geriatric Dose for Depression:
30 to 50 mg orally per day, in divided doses
Comments:
-The total daily dosage may be given once a day.
-Patients should be started at lower doses, and the doses should be gradually increased.
Use: Relief of symptoms of depression
 Detailed Nortriptyline dosage information
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of nortriptyline can be fatal.
Overdose symptoms may include irregular heartbeats, severe drowsiness, vision problems, confusion, hallucinations, agitation, stiff muscles, overactive reflexes, vomiting, feeling hot or cold, feeling like you might pass out, seizures, or coma.
