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Psychiatric Medications Guide

Tryptizol (Amitriptyline)An old medication now prescribed more for pain and headache than for depression: its benefits, limits and risks

Reviewed by: Dr. Mahmoud El-Sawy Last updated: October 1, 2026 5 min read
The short answer

Tryptizol is the best-known brand name in Egypt for amitriptyline, an antidepressant of the tricyclic class. It is approved for treating depression and is widely used off-label for nerve pain, migraine prevention and sometimes chronic insomnia. Its best-known effects are drowsiness, dry mouth, constipation and increased appetite. It does not cause addiction, but an overdose is extremely dangerous to the heart, and it is often not suitable for older adults or people with heart disease.

  • It is dispensed by prescription, and the dose differs widely between pain and depression and is set by the doctor.
  • It is not an ordinary sleeping pill and not the first treatment for insomnia.
  • Keep it away from children and from anyone going through a psychological crisis.

“The neurologist prescribed me Tryptizol for headaches, and when I read the leaflet I found it was an antidepressant.” This situation is very common, and it causes needless worry. Tryptizol is a versatile medication, but it is also one that deserves particular respect, and that is what we explain here.

What is Tryptizol?

Tryptizol is a brand name for amitriptyline; in Egypt, Amitriptin is among its equivalents. It is one of the oldest antidepressants, in the tricyclic group. It raises serotonin and norepinephrine, but it also acts on other receptors such as histamine and acetylcholine, which explains the drowsiness, dry mouth and constipation. The StatPearls reference notes that its anticholinergic, antihistamine, and heart and circulatory effects call for careful patient selection and ongoing monitoring.

Uses of Tryptizol

  • Depression: the use approved by the US Food and Drug Administration. A 2018 network meta-analysis in The Lancet found amitriptyline to be among the most effective antidepressants, but its side effects often make it a later choice rather than a first one.
  • Nerve pain: the UK's National Institute for Health and Care Excellence (NICE) recommends it as one of the first-line options for nerve pain, alongside duloxetine, gabapentin and pregabalin.
  • Post-shingles pain: the burning pain that can persist after the infection, according to the US National Library of Medicine.
  • Migraine prevention: taken regularly to reduce the number of attacks, not to treat an attack itself.
  • Chronic insomnia: the StatPearls reference mentions the use of this class of drugs for chronic insomnia that has not responded to other treatments.

Tryptizol for insomnia: is it the answer?

Many people search for Tryptizol as a sleeping pill because it causes drowsiness. But here the drowsiness is a side effect of a drug with other effects on the heart, blood pressure and memory, not a treatment for the cause of the insomnia. The first treatment for chronic insomnia is cognitive behavioral therapy, as the guide to treating chronic insomnia explains, while this medication is for cases that have not responded to other treatments and is used on a doctor's decision. For someone with insomnia alongside substance use, the insomnia may be part of addiction and withdrawal insomnia and need a different plan.

Side effects of Tryptizol

According to MedlinePlus, the most common are:

  • Drowsiness and fatigue.
  • Dry mouth and constipation.
  • Difficulty urinating.
  • Blurred vision.
  • Nausea and headache.
  • Nightmares.
  • Changes in appetite and weight.
  • Changes in sexual desire or performance.
  • Excess sweating, and unsteadiness or confusion.

Effect of Tryptizol on the body's systems

Effects worth attention, according to MedlinePlus and StatPearls
SystemWhat may happenWhen to worry
BrainDrowsiness and confusion, especially in older adultsSeizure, hallucinations or difficulty speaking
HeartFast heartbeat and dizziness on standingChest pain, irregular palpitations or fainting
Digestive systemDry mouth and constipationSevere constipation with bloating
MusclesUnsteadiness and tremorSpasms in the jaw, neck and back
LiverRarelyYellowing of the skin or eyes
Infographic: Tryptizol and the body's systems: brain, heart, digestive system, muscles, liver
The effect of Tryptizol (amitriptyline) on the body's systems and when to be concerned

Who should avoid Tryptizol? And the key interactions

  • People who have recently had a heart attack, since MedlinePlus states the doctor will usually not allow it.
  • Older adults over 65, for whom it is often not the safest choice, according to MedlinePlus.
  • People with glaucoma, an enlarged prostate, difficulty urinating, epilepsy, an overactive thyroid, diabetes, liver disease or schizophrenia.
  • People taking MAOI-type antidepressants or who stopped them within the past two weeks.
  • People who drink heavily, because alcohol doubles the drowsiness, and those taking sedatives, sleeping pills or tramadol.

MedlinePlus also warns that children, teenagers and young adults up to age 24 may have more suicidal thoughts at the start of antidepressant treatment, so follow-up is close in the first weeks. In pregnancy and breastfeeding, consult the doctor.

Is Tryptizol addictive? And how is it stopped?

Tryptizol does not cause a “high” or addiction in the usual sense, as the guide Do psychiatric medications cause addiction? explains. But stopping it suddenly can cause symptoms such as nausea, headache and loss of energy, according to MedlinePlus, so it is lowered gradually. Its full benefit in depression may take several weeks or more.

When should you ask for help?

Call an ambulance right away if you suspect an overdose, chest pain, a seizure or fainting, and contact the doctor or the mental health support line 16328 if suicidal thoughts appear. If the medication is being used together with sedatives, alcohol or painkillers to boost the effect, this is a sign that calls for a specialist dual diagnosis assessment, which the Psychiatry Department at Eradah provides confidentially.

Frequently asked questions

Frequently asked questions about Tryptizol

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What is Tryptizol?

A tricyclic antidepressant whose active ingredient is amitriptyline, used for depression, nerve pain and migraine prevention.

Is Tryptizol a sleeping pill?

It causes drowsiness, but it is not an ordinary sleeping pill and not the first treatment for insomnia. It is used in specific cases on the doctor's decision.

Does Tryptizol treat headaches?

It is used to prevent migraine when taken regularly, but it does not stop a headache attack as it happens.

What are the harms of Tryptizol?

Drowsiness, dry mouth, constipation, difficulty urinating and weight gain. The most serious are heart rhythm disturbances, seizures and the danger of overdose.

Is Tryptizol addictive?

It does not cause addiction, but stopping it suddenly can cause nausea, headache and fatigue, so it is lowered gradually.

Does Tryptizol cause weight gain?

It can increase appetite and weight in some people.

Is Tryptizol suitable for older adults?

It is often not the safest choice after age 65 because of drowsiness, dizziness and its effects on the heart.

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