Amitriptylin Orifarm

Amitriptyline hydrochloride — Tricyclic Antidepressant (TCA)

 Prescription Only (Rx)  Tricyclic Antidepressant
Active Ingredient
Amitriptyline hydrochloride
Dosage Form
Film-coated tablet
Available Strengths
10 mg
Administration Route
Oral
Manufacturer
Orifarm Generics A/S
EEA Approval
Sweden, Norway
Medically reviewed by iMedic Medical Team
Published:
Last reviewed:
Evidence Level 1A

Amitriptylin Orifarm contains the active substance amitriptyline, a tricyclic antidepressant (TCA) used to treat major depression, neuropathic pain, and to prevent chronic tension-type headaches and migraines in adults. It works by increasing the levels of norepinephrine and serotonin in the brain. This prescription-only medication requires careful medical supervision due to significant drug interactions and potential cardiac effects.

Quick Facts

Active Ingredient
Amitriptyline HCl
Drug Class
Tricyclic Antidepressant
Common Uses
Depression, Nerve Pain, Migraine
Available Forms
Film-coated Tablets
Prescription Status
Rx Only
Onset of Effect
2–4 Weeks

Key Takeaways

  • Amitriptyline is a well-established tricyclic antidepressant effective for depression, neuropathic pain, tension-type headaches, and migraine prevention.
  • It must not be combined with MAO inhibitors; a 14-day washout period is required between stopping one and starting the other.
  • Common side effects include drowsiness, dry mouth, constipation, and weight gain — many of these improve over the first few weeks.
  • The medication may increase suicidal thoughts in young adults under 25 during the initial weeks of treatment; close monitoring is essential.
  • Never stop amitriptyline abruptly — gradual dose reduction under medical supervision is required to avoid withdrawal symptoms.

What Is Amitriptylin Orifarm and What Is It Used For?

Quick Answer: Amitriptylin Orifarm is a tricyclic antidepressant containing amitriptyline hydrochloride. It is prescribed for major depression, neuropathic (nerve) pain, prevention of chronic tension-type headaches, and prevention of migraines in adults. In specific cases, it may also be used for nocturnal enuresis (bedwetting) in children aged 6 and older.

Amitriptyline belongs to a class of medications known as tricyclic antidepressants (TCAs), one of the oldest and most extensively studied groups of antidepressant drugs. First developed in the 1960s, amitriptyline has remained a cornerstone of psychiatric and pain management pharmacotherapy for over six decades. Its mechanism of action involves inhibiting the reuptake of two key neurotransmitters — norepinephrine and serotonin — thereby increasing their availability in the synaptic cleft and enhancing neurotransmission in the central nervous system.

The primary indication for Amitriptylin Orifarm is the treatment of major depressive disorder (MDD) in adults. Depression is a complex neuropsychiatric condition affecting approximately 280 million people worldwide according to the World Health Organization. Amitriptyline addresses the neurochemical imbalances associated with depression, although the full therapeutic effect typically takes 2–4 weeks to develop. Treatment duration is generally at least 6 months, as recommended by international guidelines from NICE and the American Psychiatric Association.

Beyond depression, amitriptyline has become widely recognized for its efficacy in managing neuropathic pain. Neuropathic pain arises from damage or disease affecting the somatosensory nervous system and may present as burning, shooting, or stabbing sensations. The National Institute for Health and Care Excellence (NICE) recommends amitriptyline as a first-line treatment for neuropathic pain, alongside gabapentin, pregabalin, and duloxetine. At the lower doses typically used for pain management (10–75 mg daily), amitriptyline modulates pain signaling through sodium channel blockade, NMDA receptor antagonism, and descending pain pathway modulation.

Amitriptyline is also used for the prophylactic (preventive) treatment of migraine and chronic tension-type headache in adults. The European Headache Federation and the American Academy of Neurology recognize amitriptyline as an effective preventive therapy for both conditions. In clinical trials, amitriptyline has demonstrated a significant reduction in headache frequency, severity, and duration compared to placebo.

For nocturnal enuresis (bedwetting) in children aged 6 years and older, amitriptyline may be considered when other treatments — including behavioral interventions, alarm therapy, and desmopressin — have been unsuccessful. This indication requires specialist supervision, and treatment should be reviewed after 3 months. Before initiating therapy in children, physical causes of bedwetting (such as spina bifida or urological abnormalities) must be excluded, and an ECG is required to rule out QT prolongation.

What Should You Know Before Taking Amitriptylin Orifarm?

Quick Answer: Before starting amitriptyline, inform your doctor about all medications you take, any heart conditions, liver disease, epilepsy, glaucoma, or prostate problems. Do not take this medication if you have had a recent heart attack, have serious heart rhythm disorders, have severe liver disease, or are taking MAO inhibitors.

Contraindications

Amitriptylin Orifarm must not be used in the following situations:

Do Not Take Amitriptylin Orifarm If:
  • You are allergic to amitriptyline or any of the other ingredients in this medicine
  • You have recently had a heart attack (myocardial infarction)
  • You have heart problems including rhythm disturbances (visible on ECG), heart block (AV block), or coronary artery disease
  • You are taking monoamine oxidase inhibitors (MAO inhibitors) or have taken them within the past 14 days
  • You have taken moclobemide within the past 24 hours
  • You have severe liver disease
  • The patient is a child under 6 years of age

If you are currently taking Amitriptylin Orifarm, you must stop and wait 14 days before starting treatment with a MAO inhibitor. This washout period is critical because the combination of TCAs and MAO inhibitors can precipitate a potentially fatal hypertensive crisis or serotonin syndrome, characterized by hyperthermia, autonomic instability, neuromuscular hyperactivity, and altered mental status.

Warnings and Precautions

Discuss the following conditions with your healthcare provider before taking amitriptyline, as dose adjustments or additional monitoring may be required:

  • Cardiovascular conditions: Cardiac arrhythmias and hypotension may occur, especially at higher doses or in patients with pre-existing heart disease. QT prolongation and torsades de pointes have been reported. Patients with slow heart rate, heart failure, or those taking other QT-prolonging medications are at increased risk.
  • Thyroid disorders: Patients with an overactive thyroid or those receiving thyroid hormone therapy require careful monitoring, as amitriptyline may enhance the cardiovascular effects of thyroid hormones.
  • Narrow-angle glaucoma: The anticholinergic properties of amitriptyline can increase intraocular pressure, potentially triggering an acute glaucoma attack in susceptible individuals.
  • Epilepsy or seizure history: Amitriptyline lowers the seizure threshold and should be used with caution in patients with a history of seizures. Dose adjustments may be necessary.
  • Urinary retention: Anticholinergic effects can worsen urinary retention, particularly in men with benign prostatic hyperplasia (BPH).
  • Liver disease: Patients with hepatic impairment or known slow metabolizers typically require lower doses. Blood level monitoring may be recommended.
  • Bipolar disorder: Amitriptyline may trigger manic episodes in patients with bipolar disorder. If intense, rapidly changing thoughts, euphoria, or excessive physical activity develop, contact your doctor immediately.
  • Diabetes: Amitriptyline may affect blood glucose levels, necessitating adjustments to diabetes medication.
  • Surgery: Inform your anesthesiologist if you are taking amitriptyline before any surgical procedure, as interactions with anesthetic agents may occur.
Suicidal Thoughts and Worsening Depression

Patients with depression may have thoughts of self-harm or suicide. These thoughts may increase during the initial weeks of antidepressant treatment, before the medication reaches full therapeutic effect (typically 2–4 weeks). The risk may be higher in young adults under 25 years of age. Contact your doctor or seek emergency care immediately if you experience worsening depression, suicidal thoughts, or behavioral changes. Consider informing a family member or close friend about your treatment so they can help monitor for warning signs.

Serious Skin Reactions

Severe skin reactions, including Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS), have been reported with amitriptyline. Stop taking the medication and seek immediate medical attention if you develop widespread skin rash, fever, and swollen lymph nodes.

Children and Adolescents

Amitriptyline should not be given to children and adolescents under 18 years of age for the treatment of depression, neuropathic pain, tension-type headache prevention, or migraine prevention, as safety and efficacy have not been established in this age group for these indications.

For nocturnal enuresis in children aged 6 years and older, amitriptyline should only be prescribed by a specialist with experience in treating persistent bedwetting. An ECG must be performed before starting treatment to exclude long QT syndrome. The medication should not be combined with anticholinergic drugs. Treatment should be re-evaluated after 3 months.

Elderly Patients

Older adults (over 65 years) are more susceptible to certain side effects of amitriptyline, particularly orthostatic hypotension (dizziness upon standing), sedation, anticholinergic effects, and falls. Lower starting doses are recommended, and dose increases should be more gradual. The European Medicines Agency and the American Geriatrics Society Beers Criteria recommend particular caution when using TCAs in elderly patients.

Pregnancy and Breastfeeding

Amitriptyline is not recommended during pregnancy unless your doctor determines it is absolutely necessary after careful evaluation of the benefits and risks. If the medication is taken during the later stages of pregnancy, the newborn may experience withdrawal symptoms including irritability, muscle tension, tremors, irregular breathing, difficulty feeding, loud crying, difficulty urinating, and constipation.

If you are breastfeeding, your doctor will weigh the benefits of breastfeeding for the child against the benefits of treatment for you. Amitriptyline is excreted in breast milk in small amounts. The decision to start, continue, or stop breastfeeding or medication should be made in consultation with your healthcare provider.

Driving and Operating Machinery

Amitriptyline can cause drowsiness, dizziness, and impaired coordination, especially at the beginning of treatment or when the dose is increased. You should not drive or operate machinery if you experience these effects. You are personally responsible for assessing whether you are fit to drive or perform tasks requiring alertness.

How Does Amitriptylin Orifarm Interact with Other Drugs?

Quick Answer: Amitriptyline has numerous significant drug interactions. The most dangerous is with MAO inhibitors, which must not be used concurrently. It also interacts with SSRIs, tramadol, certain antifungals, antiarrhythmic drugs, and many others. Always inform your doctor about all medications, supplements, and herbal products you take.

Drug interactions with amitriptyline can be clinically significant and potentially life-threatening. The following table summarizes the most important interactions. This is not an exhaustive list — always consult your prescriber or pharmacist before starting any new medication.

Major Interactions (Avoid Combination)

Major Drug Interactions — Combinations to Avoid
Drug / Drug Class Risk Recommendation
MAO inhibitors (phenelzine, tranylcypromine, isocarboxazid, selegiline) Hypertensive crisis, serotonin syndrome, potentially fatal Contraindicated. 14-day washout required between drugs.
Thioridazine Severe cardiac arrhythmias, QT prolongation Do not combine.
Cisapride QT prolongation, torsades de pointes Do not combine.
Pimozide, sertindole Additive QT prolongation Do not combine.

Significant Interactions (Use with Caution)

Significant Drug Interactions — Use with Caution
Drug / Drug Class Effect Clinical Consideration
SSRIs (fluoxetine, paroxetine, fluvoxamine) Increased amitriptyline levels via CYP2D6 inhibition; serotonin syndrome risk Dose reduction of amitriptyline may be needed. Monitor for serotonin syndrome symptoms.
Tramadol, buprenorphine Serotonin syndrome risk; lowered seizure threshold Monitor closely. Use lowest effective doses.
Epinephrine, norepinephrine Enhanced cardiovascular effects; hypertension, arrhythmias Inform dentist/anesthesiologist of amitriptyline use.
Antiarrhythmics (quinidine, sotalol) Additive cardiac conduction effects; QT prolongation ECG monitoring recommended. Avoid if possible.
Antihypertensives (clonidine, guanethidine) Reduced antihypertensive effect Monitor blood pressure. Alternative antihypertensive may be preferred.
Cimetidine Increased amitriptyline blood levels Consider dose reduction. Alternatives like ranitidine have lower interaction risk.
Antifungals (fluconazole, ketoconazole, terbinafine) Increased amitriptyline blood levels via CYP inhibition Monitor for increased side effects. Dose adjustment may be needed.
St. John’s Wort (Hypericum perforatum) Reduced amitriptyline effectiveness; serotonin syndrome risk Avoid concurrent use.
Carbamazepine, phenytoin, rifampicin Reduced amitriptyline blood levels via enzyme induction Higher doses of amitriptyline may be needed. Monitor clinical response.
Anticholinergics (atropine, certain Parkinson’s medications) Additive anticholinergic effects (dry mouth, constipation, urinary retention, confusion) Avoid combination if possible, especially in elderly patients.
Methylphenidate Increased amitriptyline blood levels Monitor for increased side effects.
Valproic acid (valproate) Increased amitriptyline blood levels Monitor closely. Dose adjustment may be needed.
Diuretics (furosemide) Electrolyte imbalances may increase cardiac risk Monitor potassium and magnesium levels.
Alcohol Interaction

You should not drink alcohol while taking amitriptyline. Alcohol significantly enhances the sedative effects of the medication, including drowsiness, dizziness, and impaired coordination. This combination increases the risk of falls, accidents, and respiratory depression. Alcohol can also worsen depression.

If you are scheduled for surgery or dental procedures requiring general or local anesthesia, inform your surgeon, anesthesiologist, or dentist that you are taking amitriptyline. The interaction between amitriptyline and anesthetic agents can affect heart rhythm and blood pressure.

What Is the Correct Dosage of Amitriptylin Orifarm?

Quick Answer: The dosage varies by indication and patient group. For depression, the usual starting dose is 25 mg twice daily in adults, gradually increased up to 150 mg/day. For neuropathic pain and migraine prevention, the starting dose is 10–25 mg at bedtime, with a usual maintenance dose of 25–75 mg/day. Always follow your doctor’s instructions.

Always take Amitriptylin Orifarm exactly as prescribed by your doctor or pharmacist. The tablets should be swallowed whole with water — do not chew them. The medication can be taken with or without food.

Dosage for Depression

Adults

Starting dose: 25 mg twice daily.
Dose adjustment: Your doctor may gradually increase the dose depending on your response.
Maximum dose: 150 mg per day, divided into two doses.
Duration: At least 6 months. Do not discontinue without consulting your doctor.

Elderly (over 65) and Patients with Cardiovascular Disease

Starting dose: 10–25 mg daily.
Maximum dose: 100 mg per day, divided into two doses.
Note: More frequent monitoring is required at doses of 100–150 mg/day.

Children and Adolescents (under 18)

Amitriptyline is not recommended for the treatment of depression in children and adolescents.

Dosage for Neuropathic Pain, Tension-Type Headache, and Migraine Prevention

Adults

Starting dose: 10–25 mg in the evening.
Usual maintenance dose: 25–75 mg daily.
Maximum dose: Doses above 100 mg daily require closer monitoring. Your doctor will determine whether to take the dose once daily or divided into two doses.

Elderly (over 65) and Patients with Cardiovascular Disease

Starting dose: 10–25 mg in the evening.
Note: Doses above 75 mg/day require more frequent monitoring.

Children and Adolescents (under 18)

Amitriptyline is not recommended for pain or headache treatment in patients under 18.

Dosage for Nocturnal Enuresis (Bedwetting)

Children

Under 6 years: Do not use.
Ages 6–10: 10–20 mg daily. An appropriate dosage form should be used for this age group.
Ages 11 and older: 25–50 mg daily.
Timing: Take 1–1.5 hours before bedtime.
Duration: Treatment should be re-evaluated after 3 months. An ECG is required before starting and may be repeated during treatment.

Special Populations

Patients with liver disease or those known to be “slow metabolizers” of certain medications typically require lower doses. Your doctor may order blood tests to check amitriptyline levels in your blood and adjust the dose accordingly.

Missed Dose

If you forget a dose, take the next dose at the usual time. Do not take a double dose to make up for the missed one.

Overdose

Overdose Warning — Seek Emergency Help Immediately

Amitriptyline overdose is a medical emergency. If you or someone else has taken too much, contact emergency services or a poison control center immediately, even if no symptoms are present. Take the medication package with you to the hospital.

Symptoms of overdose may include:

  • Dilated pupils, blurred vision
  • Rapid or irregular heartbeat, cardiac arrhythmias
  • Low blood pressure, weak pulse, pale skin
  • Difficulty breathing, bluish skin discoloration
  • Seizures, fever
  • Agitation, confusion, hallucinations
  • Drowsiness progressing to unconsciousness or coma
  • Dry mouth, urinary retention, constipation

Children are particularly vulnerable to amitriptyline overdose and can experience severe complications including coma, cardiac symptoms, respiratory depression, seizures, and dangerously low sodium levels.

Stopping Treatment

Do not stop taking amitriptyline without first consulting your doctor. Abrupt discontinuation can cause withdrawal symptoms including headache, malaise, insomnia, irritability, nausea, and anxiety. Your doctor will create a gradual dose-reduction plan to minimize these effects. For depression treatment, the underlying condition may persist for a long time; stopping treatment too early may cause symptoms to return.

What Are the Side Effects of Amitriptylin Orifarm?

Quick Answer: Like all medications, amitriptyline can cause side effects. The most common include drowsiness, dry mouth, constipation, dizziness, weight gain, and tremor. Serious but rare side effects include cardiac arrhythmias, severe allergic reactions, and serotonin syndrome. Most common side effects tend to improve within the first few weeks of treatment.

The side effects of amitriptyline are largely attributable to its pharmacological properties: norepinephrine and serotonin reuptake inhibition, anticholinergic activity, antihistaminic (H1) activity, and alpha-1 adrenergic blockade. Understanding these mechanisms helps explain why certain side effects occur and how they can be managed.

Stop Taking Amitriptyline and Seek Emergency Medical Help If You Experience:
  • Signs of serotonin syndrome: involuntary muscle twitching, agitation, hallucinations, rapid heartbeat, fever above 38°C, excessive sweating, rigid muscles
  • Severe allergic reaction (DRESS): widespread skin rash, fever, swollen lymph nodes
  • Signs of liver problems: yellowing of skin or eyes (jaundice)
  • Signs of blood disorders: unexplained bruising, bleeding, persistent sore throat, fever
  • Acute eye pain with blurred vision and seeing halos around lights (acute glaucoma)
  • Suicidal thoughts or behavior

Very Common

Affects more than 1 in 10 people

  • Drowsiness and sedation
  • Tremor (shaking of hands or other body parts)
  • Dizziness and headache
  • Palpitations (rapid, irregular or forceful heartbeat)
  • Orthostatic hypotension (dizziness when standing up)
  • Dry mouth
  • Constipation and nausea
  • Excessive sweating
  • Weight gain
  • Slurred or slow speech
  • Nasal congestion
  • Aggression

Common

Affects 1 in 10 to 1 in 100 people

  • Confusion and attention disturbance
  • Sexual changes (decreased libido, erectile dysfunction)
  • Taste changes
  • Numbness and tingling in arms and legs
  • Coordination difficulties
  • Dilated pupils
  • Heart rhythm disturbance (AV block)
  • QT prolongation (visible on ECG)
  • Fatigue and exhaustion
  • Low sodium levels in the blood
  • Restlessness and agitation
  • Urinary problems and thirst

Uncommon

Affects 1 in 100 to 1 in 1,000 people

  • Excitement, anxiety, sleep difficulties, nightmares
  • Seizures
  • Tinnitus (ringing in the ears)
  • High blood pressure
  • Diarrhea, vomiting
  • Skin rash, hives (urticaria), facial and tongue swelling
  • Difficulty urinating
  • Breast milk production (not related to breastfeeding)
  • Increased intraocular pressure
  • Worsening of heart failure
  • Impaired liver function

Rare to Very Rare

Affects fewer than 1 in 1,000 people

  • Decreased appetite and weight loss
  • Delirium and hallucinations (especially in elderly)
  • Abnormal heart rhythms (including torsades de pointes)
  • Swollen salivary glands, hair loss
  • Increased sun sensitivity
  • Breast enlargement in males (gynecomastia)
  • Cardiomyopathy (heart muscle disease)
  • Akathisia (restlessness, need to move constantly)
  • Peripheral neuropathy
  • Acute glaucoma
  • Allergic lung inflammation
  • Severe constipation with bowel paralysis (paralytic ileus)
  • Blood disorders (reduced red cells, white cells, or platelets)
  • Myocarditis (heart inflammation due to hypersensitivity)
Bone Fracture Risk

An increased risk of bone fractures has been observed in patients taking this type of medication. This may be related to the sedative effects, orthostatic hypotension, and effects on bone metabolism associated with tricyclic antidepressants.

If you experience any side effects, talk to your doctor, pharmacist, or nurse. This includes any possible side effects not listed in this information. Reporting suspected adverse reactions after authorization of the medicine is important, as it allows continuous monitoring of the benefit/risk balance.

How Should You Store Amitriptylin Orifarm?

Quick Answer: Store at room temperature with no special storage requirements. Keep out of sight and reach of children. Do not use after the expiry date printed on the packaging. Dispose of unused medication through your pharmacy — do not flush or discard in household waste.

Amitriptylin Orifarm does not require any special storage conditions. Store the medication at room temperature, away from excessive heat, moisture, and direct sunlight. Keep the tablets in their original blister packaging until ready to use.

Keep out of the sight and reach of children. Amitriptyline overdose is particularly dangerous in children, and even a small number of tablets can cause life-threatening toxicity. Ensure the medication is stored in a secure location.

Do not use this medicine after the expiry date stated on the carton after “EXP.” The expiry date refers to the last day of the stated month.

Do not dispose of medications in wastewater or household waste. Return unused or expired medications to your pharmacy for proper disposal. These measures help protect the environment.

What Does Amitriptylin Orifarm Contain?

Quick Answer: The active ingredient is amitriptyline hydrochloride (10 mg). Inactive ingredients include lactose, microcrystalline cellulose, sodium starch glycolate, talc, colloidal anhydrous silica, magnesium stearate, and a film coating containing hypromellose, titanium dioxide, yellow iron oxide, and talc.

Active Substance

Each film-coated tablet contains amitriptyline hydrochloride equivalent to 10 mg amitriptyline.

Inactive Ingredients

Tablet core: Anhydrous lactose, microcrystalline cellulose (E460), sodium starch glycolate, talc (E553b), colloidal anhydrous silica, magnesium stearate (E470b).

Film coating (10 mg): Hypromellose (E464), titanium dioxide (E171), yellow iron oxide (E172), talc (E553b).

Lactose Content

This medicine contains lactose. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicine.

Appearance

10 mg tablet: Yellow, round, biconvex, film-coated tablet without imprint, 6 mm diameter.

Pack Sizes

Amitriptylin Orifarm 10 mg is available in PVC/Al/PE/PVdC blisters of 90 and 100 tablets. Not all pack sizes may be marketed.

Marketing Authorization Holder

Orifarm Generics A/S, Energivej 15, 5260 Odense S, Denmark. This medicine is authorized in the European Economic Area under the name Amitriptylin Orifarm (Sweden, Norway).

Frequently Asked Questions About Amitriptylin Orifarm

Amitriptylin Orifarm is a tricyclic antidepressant used for several conditions: treatment of major depression in adults, management of neuropathic (nerve) pain in adults, prevention of chronic tension-type headaches in adults, and prevention of migraines in adults. It may also be prescribed for nocturnal enuresis (bedwetting) in children aged 6 and older when other treatments have failed. The medication works by increasing levels of norepinephrine and serotonin in the brain.

The onset of therapeutic effect depends on the indication. For depression, you may begin to notice improvement after 2–4 weeks, though it may take longer for the full effect. For neuropathic pain and headache prevention, it may also take several weeks. Some effects such as drowsiness and sedation occur almost immediately. It is essential to continue taking the medication as prescribed even before you notice improvement, and not to stop without medical guidance.

No, you should avoid alcohol while taking amitriptyline. Alcohol significantly enhances the sedative effects of the medication, leading to increased drowsiness, dizziness, impaired coordination, and slowed reaction times. This combination raises the risk of falls, accidents, and respiratory depression. Additionally, alcohol can worsen depression and counteract the therapeutic benefits of the medication.

The most common side effects (affecting more than 1 in 10 people) include drowsiness, dry mouth, constipation, nausea, dizziness, headache, weight gain, tremor, excessive sweating, palpitations, nasal congestion, and orthostatic hypotension (dizziness when standing up). Many of these side effects are most pronounced during the first few weeks of treatment and tend to diminish over time as your body adjusts to the medication. If side effects are bothersome or persistent, consult your doctor.

Amitriptyline is not recommended during pregnancy unless your doctor determines that the potential benefit clearly outweighs the risk. If taken during the later stages of pregnancy, the newborn baby may experience withdrawal symptoms including irritability, muscle tension, tremors, irregular breathing, feeding difficulties, and constipation. If you are pregnant, planning to become pregnant, or breastfeeding, always discuss this with your doctor before starting or continuing amitriptyline treatment.

No, you should never stop amitriptyline abruptly without medical guidance. Sudden discontinuation can cause withdrawal symptoms including headache, general malaise, insomnia, irritability, nausea, and anxiety. Your doctor will create a gradual dose-reduction schedule, typically decreasing the dose over several weeks or months, to minimize these symptoms. If you are experiencing side effects or wish to stop the medication, speak with your doctor about a safe tapering plan.

References

This article is based on the following peer-reviewed sources and international medical guidelines:

  1. World Health Organization (WHO). Model List of Essential Medicines, 23rd Edition, 2023. Amitriptyline is listed as an essential medicine for depression and pain management.
  2. European Medicines Agency (EMA). Summary of Product Characteristics: Amitriptyline hydrochloride. European public assessment reports.
  3. National Institute for Health and Care Excellence (NICE). Neuropathic pain in adults: pharmacological management in non-specialist settings [CG173]. Updated 2020.
  4. National Institute for Health and Care Excellence (NICE). Depression in adults: treatment and management [NG222]. 2022.
  5. British National Formulary (BNF). Amitriptyline hydrochloride monograph. NICE Evidence Services, 2025.
  6. American Psychiatric Association. Practice Guideline for the Treatment of Patients with Major Depressive Disorder, 3rd Edition.
  7. European Headache Federation. Sacco S, et al. European Headache Federation guideline on the use of monoclonal antibodies and other biological treatments in migraine. J Headache Pain. 2022;23(1):28.
  8. Finnerup NB, et al. Pharmacotherapy for neuropathic pain in adults: a systematic review and meta-analysis. Lancet Neurol. 2015;14(2):162–173. doi:10.1016/S1474-4422(14)70251-0
  9. Moore RA, et al. Amitriptyline for neuropathic pain in adults. Cochrane Database Syst Rev. 2015;(7):CD008242.
  10. Jackson JL, et al. Tricyclic antidepressants and headaches: systematic review and meta-analysis. BMJ. 2010;341:c5222.

Editorial Team

This article has been written and reviewed by the iMedic Medical Editorial Team, comprising board-certified physicians with expertise in clinical pharmacology, psychiatry, neurology, and pain medicine.

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