> Western Medicines > Nortriptyline


Used for: Depression
Chinese name:

What is Nortriptyline for?

Nortriptyline belongs to a class of medication called tricyclic antidepressants. It is used for the relief of symptoms of depression.

How to use it?

Nortriptyline is taken orally as tablets. The usual initial dose is 25 mg once daily, which may be increased to 25 mg three to four times a day based on response and tolerability. The maximum dose is 150 mg/day.

What are the side effects of Nortriptyline?

Common side effects of Nortriptyline include dry mouth, weight gain, nausea, headache, fatigue, or dizziness.

Who should not take Nortriptyline?

  • People who are allergic to Nortriptyline, any component of the formulation, or other tricyclic antidepressants, such as Imipramine, Clomipramine
  • Patients during the acute recovery period after a myocardial infarction
  • Patients taking monoamine oxidase inhibitors, such as Selegiline, Rasagiline

Pharmacist Tips:

  • Patients should avoid abrupt discontinuation of the drug to prevent withdrawal symptoms.

Common dosing schedule:
Nortriptyline can be taken with or without food.


This schedule is for reference only, adjustments may be made according to individual needs.


Some common medications Nortriptyline may interact with:

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Nortriptyline in Hong Kong?

In Hong Kong, Nortriptyline is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Nortriptyline in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Brands in Hong Kong
Available dosage
  • 10mg / 25mg (Tablets)
Drug class
Sub class
Tricyclic Antidepressants (TCAs)
Other drugs in same class
Used for: Depression
Chinese name:
Used for: Major depression, Nocturnal enuresis in children
Chinese name:
Used for: Depression
Chinese name:
Used for: Depression
Chinese name: