What are the side effects of nortriptyline?

Here are some more detailed descriptions of the most common side effects of nortriptyline:

  1. Dry mouth: Nortriptyline can cause a dry mouth, which may increase the risk of dental problems and infections. Drinking water and chewing gum may help to alleviate this side effect.
  2. Blurred vision: Nortriptyline can cause blurred vision, which may be temporary or persistent. This side effect may be more common in older individuals or those with pre-existing eye conditions.
  3. Constipation: Nortriptyline can cause constipation, which may be relieved by increasing fiber and fluid intake and exercising regularly.
  4. Dizziness: Nortriptyline can cause dizziness, especially when standing up quickly or changing positions. This side effect may also improve over time.
  5. Drowsiness: Nortriptyline can cause drowsiness, which may interfere with daily activities. This side effect is more common when starting the medication or when the dosage is increased, and may improve over time.
  6. Weight gain: Nortriptyline can cause weight gain, especially when taken for long periods of time. This side effect may be due to increased appetite and metabolic changes.
  7. Sexual dysfunction: Nortriptyline can cause sexual dysfunction, including reduced libido, erectile dysfunction, and difficulty achieving orgasm.
  8. Increased heart rate: Nortriptyline can cause an increased heart rate, which may be more common in individuals with pre-existing heart conditions.
  9. Difficulty urinating: Nortriptyline can cause difficulty urinating or urinary retention, especially in individuals with pre-existing urinary tract problems.
  10. Confusion or memory problems: Nortriptyline can affect cognitive function, including memory, attention, and decision-making abilities. This side effect may be more common in older individuals or those with pre-existing cognitive impairments.

It is important to discuss any side effects of nortriptyline with a healthcare provider, who can help determine the most appropriate treatment plan based on individual needs and medical history.


There are various forms of drugs available, such as tablets or liquids, and each may have a separate patient information leaflet (PIL) for different doses. It is important to refer to the PIL for the specific form and dose of the drug that you have been prescribed.

You can search for further information and PILs on websites such as:

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