Skip to main content

Nortriptyline Side Effects

Medically reviewed by Drugs.com. Last updated on Apr 10, 2024.

Applies to nortriptyline: oral capsule, oral solution.

Important warnings This medicine can cause some serious health issues

Oral route (capsule; solution)

Antidepressants can increase the risk of suicidal thinking and behavior in children, adolescents, and young adults with major depressive disorder and other psychiatric disorders.

This risk must be balanced with the clinical need, as nortriptyline is not approved for use in pediatric patients.

Closely monitor patients of all ages for clinical worsening, suicidality, or unusual changes in behavior; not approved for use in pediatric patients.

Serious side effects of nortriptyline

Along with its needed effects, nortriptyline may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking nortriptyline:

Incidence not known

  • agitation
  • blurred vision
  • burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  • chest pain or discomfort
  • clay-colored stools
  • cold sweats
  • confusion about identity, place, and time false beliefs that cannot be changed by facts
  • continuing ringing or buzzing or other unexplained noise in the ears
  • decreased urination
  • deep or fast breathing with dizziness
  • depression
  • difficulty in passing urine (dribbling)
  • difficulty with speaking
  • dizziness, fainting, or lightheadedness when getting up suddenly from a lying or sitting position
  • double vision
  • fast, pounding, or irregular heartbeat or pulse
  • feeling of warmth
  • feeling, seeing, or hearing things that are not there
  • feeling that others are watching you or controlling your behavior
  • feeling that others can hear your thoughts
  • general feeling of tiredness or weakness
  • hives or welts
  • hostility
  • inability to move the arms, legs, or facial muscles
  • inability to speak
  • irritability
  • labored breathing, especially at night
  • loss of balance control
  • loss of consciousness
  • lower back or side pain
  • mood or mental changes
  • muscle spasm, trembling, jerking, or stiffness
  • nightmares
  • numbness of the feet, hands, and around mouth
  • pain or discomfort in the arms, jaw, back, or neck
  • painful or difficult urination
  • panic
  • perspiration
  • pinpoint red or purple spots on the skin
  • redness of the face, neck, arms, and occasionally, upper chest
  • restlessness
  • seizures
  • slurred speech
  • sores, ulcers, or white spots on the lips or in the mouth
  • stiffness of the limbs
  • stomach pain
  • sweating
  • swelling of the face, ankles, legs, or hands
  • swollen, painful, or tender lymph glands on side of face or neck
  • talking, feeling, and acting with excitement
  • trouble sleeping
  • twisting movements of the body uncontrolled movements, especially of the face, neck, and back
  • unexplained fainting
  • weakness in the arms, hands, legs, or feet

Get emergency help immediately if any of the following symptoms of overdose occur while taking nortriptyline:

Symptoms of overdose

Other side effects of nortriptyline

Some side effects of nortriptyline may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known

  • bigger, dilated, or enlarged pupils (black part of the eye)
  • black tongue
  • decreased interest in sexual ability or desire
  • difficulty having a bowel movement
  • enlargement of the breast
  • hair loss or thinning of the hair
  • heartburn
  • increase in sexual ability or desire
  • increased sensitivity of the eyes or skin to light
  • pain or discomfort in the chest, upper stomach, or throat
  • peculiar taste
  • severe sunburn
  • small red or purple spots on the skin
  • swelling of the testicles
  • swelling or inflammation of the mouth
  • waking to urinate at night

For healthcare professionals

Applies to nortriptyline: compounding powder, oral capsule, oral solution.

Nervous system

Psychiatric

Gastrointestinal

Cardiovascular

Genitourinary

Dermatologic

Hematologic

Other

Hepatic

Metabolic

Ocular

Endocrine

Hypersensitivity

Musculoskeletal

References

1. (2002) "Product Information. Pamelor (nortriptyline)." Sandoz Pharmaceuticals Corporation

2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

3. Cerner Multum, Inc. "Australian Product Information."

Frequently asked questions

Further information

Nortriptyline side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.