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Generic Name: nortriptyline (Oral route)

nor-TRIP-ti-leen

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 .

Commonly used brand name(s)

In the U.S.

  • Aventyl
  • Pamelor

Available Dosage Forms:

  • Tablet
  • Capsule
  • Solution

Therapeutic Class: Antidepressant

Pharmacologic Class: Antidepressant, Tricyclic

Uses For Pamelor

Nortriptyline is used to treat depression. It is thought to work by increasing the activity of serotonin in the brain. Nortriptyline is a tricyclic antidepressant.

Slideshow: Does Your Child Have ADHD? Recognizing Signs & Treatment Options

This medicine is available only with your doctor's prescription.

Before Using Pamelor

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies have not been performed on the relationship of age to the effects of nortriptyline in the pediatric population. Safety and efficacy have not been established.

Geriatric

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of nortriptyline in the elderly. However, elderly patients are more likely to have age-related heart or liver problems, which may require an adjustment in the dose for patients receiving nortriptyline.

Breast Feeding

Studies in women suggest that this medication poses minimal risk to the infant when used during breastfeeding.

Interactions with Medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.

  • Bepridil
  • Cisapride
  • Dronedarone
  • Furazolidone
  • Grepafloxacin
  • Iproniazid
  • Isocarboxazid
  • Levomethadyl
  • Linezolid
  • Mesoridazine
  • Methylene Blue
  • Metoclopramide
  • Moclobemide
  • Pargyline
  • Phenelzine
  • Pimozide
  • Procarbazine
  • Ranolazine
  • Rasagiline
  • Selegiline
  • Sparfloxacin
  • Terfenadine
  • Thioridazine
  • Tranylcypromine

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Acecainide
  • Alfuzosin
  • Almotriptan
  • Amiodarone
  • Amisulpride
  • Amitriptyline
  • Amoxapine
  • Amprenavir
  • Apomorphine
  • Aprindine
  • Arsenic Trioxide
  • Asenapine
  • Astemizole
  • Azimilide
  • Azithromycin
  • Bretylium
  • Bupropion
  • Chloral Hydrate
  • Chloroquine
  • Chlorpromazine
  • Ciprofloxacin
  • Citalopram
  • Clarithromycin
  • Clomipramine
  • Clonidine
  • Crizotinib
  • Cyclobenzaprine
  • Dasatinib
  • Desipramine
  • Desvenlafaxine
  • Dextromethorphan
  • Disopyramide
  • Dofetilide
  • Dolasetron
  • Domperidone
  • Droperidol
  • Enflurane
  • Epinephrine
  • Erythromycin
  • Etilefrine
  • Fentanyl
  • Fingolimod
  • Flecainide
  • Fluconazole
  • Fluoxetine
  • Foscarnet
  • Frovatriptan
  • Gatifloxacin
  • Gemifloxacin
  • Granisetron
  • Halofantrine
  • Haloperidol
  • Halothane
  • Hydroxytryptophan
  • Ibutilide
  • Iloperidone
  • Imipramine
  • Indacaterol
  • Iobenguane I 123
  • Isoflurane
  • Isradipine
  • Lapatinib
  • Levalbuterol
  • Levofloxacin
  • Levomilnacipran
  • Levothyroxine
  • Lidoflazine
  • Lopinavir
  • Lorcainide
  • Lorcaserin
  • Lumefantrine
  • Mefloquine
  • Meperidine
  • Methadone
  • Methoxamine
  • Midodrine
  • Mifepristone
  • Moricizine
  • Morphine
  • Morphine Sulfate Liposome
  • Moxifloxacin
  • Naratriptan
  • Nefopam
  • Nilotinib
  • Norepinephrine
  • Norfloxacin
  • Octreotide
  • Ofloxacin
  • Ondansetron
  • Oxilofrine
  • Oxymorphone
  • Paliperidone
  • Pazopanib
  • Pentamidine
  • Perflutren Lipid Microsphere
  • Phenylephrine
  • Posaconazole
  • Procainamide
  • Prochlorperazine
  • Promethazine
  • Propafenone
  • Protriptyline
  • Quinidine
  • Quinine
  • Risperidone
  • Saquinavir
  • Sematilide
  • Sertindole
  • Sertraline
  • Sodium Phosphate
  • Sodium Phosphate, Dibasic
  • Sodium Phosphate, Monobasic
  • Solifenacin
  • Sorafenib
  • Sotalol
  • Spiramycin
  • Sulfamethoxazole
  • Sultopride
  • Sunitinib
  • Tapentadol
  • Tedisamil
  • Telavancin
  • Telithromycin
  • Tetrabenazine
  • Toremifene
  • Tramadol
  • Trazodone
  • Trifluoperazine
  • Trimethoprim
  • Trimipramine
  • Umeclidinium
  • Vardenafil
  • Vasopressin
  • Vemurafenib
  • Venlafaxine
  • Vilanterol
  • Voriconazole
  • Vortioxetine
  • Ziprasidone
  • Zolmitriptan
  • Zotepine

Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Acenocoumarol
  • Arbutamine
  • Atomoxetine
  • Carbamazepine
  • Cimetidine
  • Dicumarol
  • Paroxetine
  • Phenprocoumon
  • Rifapentine
  • S-Adenosylmethionine
  • Terbinafine
  • Valproic Acid

Interactions with Food/Tobacco/Alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Other Medical Problems

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

  • Behavior or mood changes (eg, aggression, panic attacks) or
  • Bipolar disorder (mood disorder with mania and depression), or risk of or
  • Glaucoma (angle-closure type) or
  • Heart rhythm problems (eg, arrhythmia) or
  • Psychosis (mental illness) or
  • Schizophrenia (mental illness) or
  • Seizures, history of or
  • Urinary retention (trouble urinating), history of—Use with caution. May make these conditions worse.
  • Heart attack, recent—Should not be used in patients with this condition.
  • Heart or blood vessel disease or
  • Hyperthyroidism (overactive thyroid)—Use with caution. May cause side effects to become worse.

Proper Use of nortriptyline

This section provides information on the proper use of a number of products that contain nortriptyline. It may not be specific to Pamelor. Please read with care.

Take this medicine only as directed by your doctor to benefit your condition as much as possible. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered.

This medicine should come with a Medication Guide. Read and follow these instructions carefully. Ask your doctor or pharmacist if you have any questions.

Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. The average household teaspoon may not hold the right amount of liquid.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For oral dosage forms (capsules or solution):
    • For depression:
      • Adults—25 milligrams (mg) 3 to 4 times per day. Your doctor may adjust your dose as needed. However, the dose is usually not more than 150 mg per day.
      • Teenagers and older adults—30 to 50 milligrams (mg) once a day or in divided doses during the day.
      • Children—Use and dose must be determined by your doctor.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.

Precautions While Using Pamelor

It is very important that your doctor check your progress at regular visits to allow for changes in your dose and to check for any unwanted effects.

For some children, teenagers, and young adults, this medicine can increase thoughts of suicide. Tell your doctor right away if you start to feel more depressed and have thoughts about hurting yourself. Report any unusual thoughts or behaviors that trouble you, especially if they are new or get worse quickly. Make sure the doctor knows if you have trouble sleeping, get upset easily, have a big increase in energy, or start to act reckless. Also tell the doctor if you have sudden or strong feelings, such as feeling nervous, angry, restless, violent, or scared. Let the doctor know if you or anyone in your family has bipolar disorder (manic-depressive) or has tried to commit suicide.

Do not take nortriptyline with a monoamine oxidase (MAO) inhibitor (eg, isocarboxazid [Marplan®], linezolid (Zyvox®), methylene blue, phenelzine [Nardil®], selegiline [Eldepryl®], tranylcypromine [Parnate®]). Do not start taking nortriptyline during the 2 weeks after you stop a MAO inhibitor and wait 2 weeks after stopping nortriptyline before you start taking a MAO inhibitor. If you take them together or do not wait 2 weeks, you may develop confusion, agitation, restlessness, stomach or intestinal symptoms, a sudden high body temperature, an extremely high blood pressure, or severe convulsions.

Nortriptyline may cause a serious condition called serotonin syndrome if taken together with some medicines. Do not use nortriptyline with buspirone (Buspar®), fentanyl (Abstral®, Duragesic®), lithium (Eskalith®, Lithobid®), tryptophan, St. John's wort, or some pain or migraine medicines (eg, sumatriptan, tramadol, Frova®, Maxalt®, Relpax®, Zomig®). Check with your doctor first before taking any other medicines with nortriptyline.

Do not stop taking this medicine without checking first with your doctor. Your doctor may want you to gradually reduce the amount you are using before stopping it completely. This may help prevent a possible worsening of your condition and reduce the possibility of withdrawal symptoms such as headache, nausea, or a general feeling of discomfort or illness.

This medicine will add to the effects of alcohol and other central nervous system (CNS) depressants (medicines that cause drowsiness). Some examples of CNS depressants are antihistamines, medicines for hay fever, other allergies or colds, sedatives, tranquilizers, or sleeping medicines, prescription pain medicine or narcotics, medicines for seizures or barbiturates, muscle relaxants, or anesthetics, including some dental anesthetics. Check with your doctor before taking any of these medicines with nortriptyline.

Before having any kind of surgery, tell the medical doctor in charge that you are using this medicine. Taking nortriptyline together with medicines used during surgery may increase the risk of side effects.

This medicine may cause some people to become drowsy. Make sure you know how you react to this medicine before you drive, use medicines, or do anything else that could be dangerous if you are drowsy or not alert.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

Pamelor Side Effects

Along with its needed effects, a medicine 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:

Incidence not known
  • Abdominal or stomach pain
  • 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
  • depression
  • difficulty in passing urine (dribbling)
  • difficulty with speaking
  • dizziness, faintness, 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
  • hostility
  • hyperventilation
  • inability to move the arms, legs, or facial muscles
  • inability to speak
  • irritability
  • loss of balance control
  • lower back or side pain
  • mood or mental changes
  • muscle spasm or jerking of all extremities
  • muscle trembling, jerking, or stiffness
  • nightmares
  • 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
  • sweating
  • swelling of the face, ankles, legs, or hands
  • talking, feeling, and acting with excitement
  • trouble sleeping
  • twisting movements of the body uncontrolled movements, especially of the face, neck, and back
  • weakness in the arms, hands, legs, or feet

Some side effects 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 (stool)
  • enlargement of the breast
  • hair loss or thinning of the hair
  • heartburn
  • hives or welts
  • 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
  • swollen, painful, or tender lymph glands on side of face or neck
  • vision changes
  • waking to urinate at night

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

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