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:

  • The British National Formulary (BNF)
  • Electronic medicines compendium (emc)
  • The National Library of Medicine's DailyMed
  • The Food and Drug Administration (FDA) 
  • Different drug forms like tablets or liquids have specific patient information leaflets (PIL) for various doses. Refer to the PIL for your prescribed drug form and dose.

    Search for PILs on websites like:


    • ANSM (Agence nationale de sécurité du médicament et des produits de santé): ansm.sante.fr


    • AEMPS (Agencia Española de Medicamentos y Productos Sanitarios): aemps.gob.es


    • BfArM (Bundesinstitut für Arzneimittel und Medizinprodukte): bfarm.de


    For questions about your medication:

    • Consult your doctor, a healthcare professional, or a pharmacist


    • Contact SOS Médecins: 3624
    • For mental health support, contact SOS Suicide: 01 45 39 40 00

    Belgium (French)

    Switzerland (French)

    • La Main Tendue: 143
    • Website: 143.ch

    Canada (French)

    • Centre de prévention du suicide du Québec: 1 866 APPELLE (1 866 277-3553)
    • Website: cpsquebec.ca


    • Contact emergency number: 112
    • For mental health support, contact Teléfono de la Esperanza: 717 003 717


    • Contact emergency number: 112
    • For mental health support, contact Telefonseelsorge: 0800 111 0 111 or 0800 111 0 222


    • Contact emergency number: 112
    • For mental health support, contact Telefono Amico: 199 284 284


    • Contact emergency number: 112
    • For mental health support, contact 113 Zelfmoordpreventie: 0800 0113


    • Contact emergency number: 112
    • For mental health support, contact Sos Voz Amiga: 21 354 45 45, 91 280 26 69, or 96 352 46 60

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