Тразин

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Тразин

What is Тразин? (Trifluoperazine)

The information presented here is for definitional purposes and strictly excludes clinical dosages, administration instructions, side effects, or contraindications.

Property Description
Active Ingredient Trifluoperazine
Form Oral tablet, Oral solution, Parenteral solution
Pharmacological Class Conventional (First-Generation) Antipsychotic
Common Use Management of psychotic disorders; Short-term treatment of severe anxiety
Origin Synthetic organic compound

Defining Тразин: Identity and Composition

Тразин is a prescription medication whose active substance is Trifluoperazine, a potent synthetic organic compound typically utilized as the hydrochloride salt. This compound is chemically categorized as a phenothiazine derivative, specifically within the high-potency piperazine subgroup. As a single-ingredient product, its pharmacological profile is concentrated solely on the action of Trifluoperazine. The medication's identity as a synthetic organic drug has been consistently defined since its medical approval in the United States in 1959. It is most often administered as an oral tablet for continuous treatment, although solutions for both oral and parenteral routes are also common forms.

Classification and Therapeutic Role of the Antipsychotic

Trifluoperazine is classified by global health organizations as a conventional antipsychotic agent, placing it within the category of first-generation antipsychotics. It is clinically recognized for its profile as a high-potency drug, distinguishing it from lower-potency compounds in the same class. Pharmacological studies confirm that the drug's primary therapeutic role is to help stabilize severe neurochemical imbalances, a capability supported by research into its mechanism as a dopamine receptor antagonist. This mechanism makes the medication suitable for the overall management of psychotic disorders, including acute and chronic forms of schizophrenia. Furthermore, it possesses an established, although secondary, use for the short-term control of severe, non-psychotic anxiety disorders. The primary benefit lies in its efficacy in mitigating profound thought disturbances and related agitation.

Regulatory References

  1. FDA Approval Data for Trifluoperazine

What side effects are possible with Тразин?

Possible Side Effects and Safety Information

Official regulatory documentation structures the safety profile of Trifluoperazine (Тразин) by classifying adverse reactions based on system, frequency, and severity. The most frequently documented effects relate to the Nervous System and Autonomic System. Effects classified as Common include Extrapyramidal Symptoms (such as dystonia, akathisia, and parkinsonism), drowsiness, dry mouth, and blurred vision.


Documented Safety Concerns

The most serious adverse reactions are rare but require specific attention in regulatory labeling. These include Neuroleptic Malignant Syndrome (NMS), a potentially fatal syndrome, and severe hematological disorders such as Agranulocytosis. The involuntary movement disorder, Tardive Dyskinesia, is a critical concern associated with long-term use, while acute Extrapyramidal Symptoms are more likely to occur at the start of therapy or following dose adjustments.

Safety constraints detailed in regulatory documents specify that the medication should not be used in individuals with severe central nervous system depression, comatose states, or established blood dyscrasias. Furthermore, a significant safety consideration noted in official labeling is the increased risk of mortality when this medication is used in older adults with dementia-related psychosis.


Systemic Safety Classification

Adverse effects are also categorized across other systems, including Cardiovascular Disorders (e.g., orthostatic hypotension), Endocrine Disorders (e.g., galactorrhea), and Hepatobiliary Disorders (e.g., jaundice), providing a comprehensive regulatory overview of the drug's potential safety characteristics.

Overdose and Emergency Response

Official Overdose Manifestations

The regulatory profile for a Trifluoperazine (Тразин) overdose indicates a potentially life-threatening event requiring immediate emergency medical attention. Overdose manifestations are defined by profound neurological and cardiovascular instability.

Officially documented neurological effects include extreme drowsiness, confusion, and loss of consciousness, which may rapidly progress to coma or generalized seizures. Neuromuscular signs are severe, presenting as uncontrollable movements, muscle rigidity, and pseudo-parkinsonism. These effects heighten the risk of severe complications, including the life-threatening Neuroleptic Malignant Syndrome (NMS).

Critical cardiovascular manifestations are defined by hypotension (low blood pressure), tachycardia, and the potential for serious arrhythmias (irregular heartbeat).

When to Seek Urgent Help

In the event of a suspected overdose, it is mandated to seek immediate medical attention. Emergency services must be contacted immediately if the affected person has collapsed, experienced a seizure, has trouble breathing, or cannot be awakened. Geriatric patients are noted to be more susceptible to hypotension and severe neuromuscular reactions.

As no specific antidote is known, the management strategy is strictly symptomatic and supportive, focusing on maintaining a clear airway and continuous vital sign monitoring. Special procedural constraints apply, such as the official contraindication of adrenaline (epinephrine) for hypotension management.

Therapeutic Uses of Тразин

What Тразин Treats: Main Uses and Benefits

Trifluoperazine is considered relevant within therapeutic domains associated with schizophrenia and for the symptomatic management of generalized non-psychotic anxiety.

This medication is commonly used to help with the symptomatic management of psychotic disorders, addressing conditions that involve severe disruptive manifestations such as delusions and hallucinations. It is also relevant for easing symptoms related to heightened physiological activity and significant symptomatic burden, such as intense non-psychotic anxiety and profound tension. It is applied across domains where additional symptomatic support is needed, often during acute or unstable symptom patterns. It is commonly used to help with managing symptoms that interfere with daily functioning and supports patients during episodes of heightened discomfort.

“The therapeutic role of this medication may assist with easing the overall symptom burden and supports general well-being during symptomatic phases.”

In clinical settings, this treatment is relevant when symptoms escalate and short-term symptomatic assistance is needed. This supportive role contributes to improved day-to-day comfort and assists with maintaining functional stability when symptoms are more noticeable.

Quick Fact: Relief for Thought Disturbances
This medication is commonly used to address symptoms related to acute or chronic thought and perceptual disorders, where it may assist with easing challenging symptoms.

Regulatory References

  1. NIH DailyMed Label for Trifluoperazine

Eligibility and Restrictions for Use

Official Population Eligibility for Trifluoperazine (Тразин)

Eligibility for Trifluoperazine is strictly determined by regulatory criteria, defining specific populations who are permitted, restricted, or prohibited from using the medicine. The medication is primarily intended for use in adults.


Absolute Contraindications (Must Not Use)

Official labeling mandates that Trifluoperazine is contraindicated in patients with a known hypersensitivity to phenothiazines, those in a comatose state, or individuals with significant blood dyscrasias or bone marrow depression. It is also not approved for geriatric patients with dementia-related psychosis due to increased mortality risk, and must not be used in patients with congenital long QT syndrome.


Age and Condition Restrictions

Population Group Eligibility Status Key Restriction Context
Children under 6 years Not Recommended Safety and efficacy are not established in this age group.
Older Adults Use with Caution Requires lower starting doses and close observation due to sensitivity to neurological and hypotensive effects.
Pregnancy (3rd Trimester) Not Recommended Risk of extrapyramidal and/or withdrawal symptoms in the neonate.
Lactation Not Recommended Drug is excreted into breast milk; decision to discontinue nursing or medication required.
Cardiovascular Disease Use with Caution Required for patients with arrhythmias or a family history of QT prolongation.

What should I know about interactions with other medicines?

Тразин Interactions with other medicines and products

Official regulatory information outlines several substance categories and specific medicines that have documented interactions with Trifluoperazine (Тразин). These interactions may result in additive effects, reduced efficacy, or increased risk of serious adverse events.


Interaction Classifications

Classification Severity and Context Regulatory Basis
Contraindicated Combinations Co-administration is formally prohibited for substances such as Pimozide, Thioridazine, Cisapride, Dronedarone, Metoclopramide, and Saquinavir. FDA / EMA-derived documents
Major Pharmacodynamic Effects Co-use with CNS Depressants (including Alcohol) can lead to additive depressant effects. Increased risk of ventricular arrhythmias when combined with Drugs that prolong the Q-T interval. FDA / SmPC
Exposure Alterations Antacids may reduce drug absorption. Tobacco smoking may increase trifluoperazine clearance. Lithium may reduce trifluoperazine serum levels, which may require monitoring. FDA / SmPC

Key Interaction-Related Constraints

  • Antagonism: Trifluoperazine antagonizes the action of medicines like Levodopa and Guanethidine.
  • Procedure: Epinephrine must not be used to treat hypotension induced by trifluoperazine, as it may cause a further, paradoxical lowering of blood pressure.
  • Population Note: Caution is warranted for Elderly Patients due to documented increased sensitivity to hypotensive and extrapyramidal effects. Neonatal exposure during the third trimester carries risk of extrapyramidal and/or withdrawal symptoms.

Mechanism of Action

The mechanism of action of Тразин is centered on its pharmacodynamic activity within the central nervous system. The drug acts upon key inhibitory neurotransmitter receptors, functioning as a specific modulator. By interacting with these receptors, Тразин augments the current flux mediated by inhibitory ligands within neural pathways, initiating a signaling cascade that causes neuronal hyperpolarization.

This molecular consequence leads to a reduction in neuronal excitability and attenuates the downstream effects of excessive mediator concentration. This targeted interference with the sequence of events that causes neural overactivity results in the modulation of overactive or dysregulated physiological processes across both central and peripheral pathways. The resulting shift toward a more effective inhibitory balance influences systemic physiological outcomes.

Dosage and Administration Information

Тразин (Trazodone) is an oral medication, typically prescribed for the treatment of Major Depressive Disorder (MDD), but it may also be used off-label for conditions such as anxiety and insomnia, based on a healthcare provider's judgment.

Administration Guidelines

  • Oral Route: Тразин is administered by mouth as a tablet. The medication is available in immediate-release formulations.
  • With Food: It is generally recommended to take Тразин after a meal or a light snack. Taking the medication following food intake may help to reduce the incidence of side effects such as lightheadedness and orthostatic hypotension (a drop in blood pressure upon standing).
  • Dosing: The dosage is highly individualized and is determined by a physician based on the patient's specific condition and response to treatment. For the treatment of depression, the initial dosing is typically low and gradually increased every few days.
  • Maximum Dosage: The maximum recommended daily dose for outpatients is typically 400 mg, while hospitalized patients may receive up to 600 mg daily. Never adjust your dose or change your dosing schedule without explicit instruction from your healthcare provider.

Important Safety Information

Do not stop taking Тразин abruptly. Discontinuing the medication suddenly can lead to withdrawal-like symptoms, which may include restlessness, anxiety, and sleep disturbances. Your physician will provide a plan for gradually reducing the dose to safely discontinue the medication. If you miss a dose, take it as soon as you remember, unless it is almost time for your next scheduled dose. In that case, skip the missed dose and resume your regular schedule. Do not double the dose to compensate for a missed one.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Тразин

Evidence for Management of Psychotic Disorders

The primary research for trifluoperazine (Тразин) has explored its use in conditions characterized by fluctuating or episodic manifestations, such as schizophrenia. The evidence for this use was evaluated in Randomized Controlled Trials (RCTs), where individuals received the medicine, a placebo, or an older comparator. Studies monitored outcomes related to functional imbalance, specifically looking at changes in overall clinical condition and the intensity of severe thought and perceptual symptoms, such as delusions and hallucinations. Studies reported patterns observed over short- to intermediate-term periods, typically lasting a few weeks to several months. Research highlights changes measured compared to placebo.

However, the evidence landscape includes limitations. Many core trials are older and utilized modest sample sizes. Comparative evidence against the newer classifications of antipsychotic medications is often lacking.


Evidence for Short-Term Use in Severe Anxiety

Тразин was also studied for its application in the short-term context of severe non-psychotic anxiety disorders, conditions presenting with cycles of stability and flare-ups that require temporary support. Research examined this use specifically through Double-Blind, Placebo-Controlled Multicenter Trials. These studies focused on adult outpatients experiencing heightened symptom activity.

Research monitored outcomes over defined time intervals by tracking changes on standardized anxiety rating scales. This research exploring short-term symptom changes contributed to the broader evidence landscape regarding symptom patterns. The data show patterns related to short-term use in this specific context.

What remains uncertain is the applicability of the findings to other types of anxiety conditions, as the research only studied generalized anxiety. The evidence is strictly for short-term use, and there is limited information for long-term outcomes or use beyond the duration studied in the key trials.


Gaps in Evidence and Areas of Uncertainty

One key research limitation is the age of some core studies, which may not meet current methodological standards for robust clinical evidence. Furthermore, comparative evidence is lacking in large-scale trials that directly explore how Тразин compares to newer generation medicines in the long term. Follow-up durations were limited in many instances, meaning that while the research provides insight into short-term changes, long-term outcomes are not fully established.

Key Studies & References

  1. Trifluoperazine: IUPHAR/BPS Guide to PHARMACOLOGY
  2. Trifluoperazine Oral Tablet/Concentrate Official FDA-Approved Labeling (DailyMed)

Frequently Asked Questions (FAQ)

Common questions about Тразин (FAQ)

Q: What is the expected timeline to notice effects from Тразин?

A: Official information indicates that for the management of the approved conditions, the process of reaching therapeutic levels is typically gradual. Therapeutic effects are generally noted over a period of approximately two to three weeks after starting treatment.

Q: Does Тразин cause changes in weight or appetite?

A: Yes, official labeling lists both changes in appetite and weight gain as documented side effects associated with the use of this medication.

Q: How long do the common side effects of Тразин usually last?

A: Regulatory documents note that while some adverse effects, such as sedation, may be more pronounced when treatment is first started, the majority of people often become accustomed to the medication’s side effects as therapy continues. The duration of these effects can vary among individuals.

Q: What happens if I stop taking Тразин suddenly?

A: Stopping the medicine abruptly can lead to withdrawal-like symptoms, which may include nausea, vomiting, dizziness, and a feeling of shakiness. A gradual reduction of dose is usually required for safe discontinuation, a process which is overseen by a healthcare provider.

Q: How does Тразин affect sleep?

A: Official information documents that the medication can affect sleep in different ways. It is reported to cause drowsiness (sleepiness) in some users, but it is also listed as causing difficulty falling asleep or staying asleep (insomnia) as a potential side effect.

Q: Can I drive or operate machinery while taking Тразин?

A: Official safety information cautions that due to the potential for sedation, activities like driving a vehicle or operating heavy equipment may be hazardous. This constraint applies until a person is certain that these adverse effects will not impair their capacity.

Q: Why are people talking about Тразин for [unrelated but common condition]?

A: Official labeling authorizes the medicine for its primary purpose (psychotic disorders) and secondary purpose (short-term severe anxiety). For other health concerns, a healthcare provider may decide to use the medication in an off-label manner, based on their professional evaluation.

Q: Is Тразин safe to use during pregnancy, based on official information?

A: Official information describes a constraint where the drug is considered for use in pregnancy only when the clinical need is determined to outweigh the potential risk to the fetus. Exposure during the third trimester carries a risk of severe or prolonged side effects in the newborn.

Q: Is Тразин safe to use while breastfeeding, based on official information?

A: Use is generally not recommended while breastfeeding. Official documents note that the drug is excreted into breast milk, requiring clinical evaluation regarding continuing the medication or discontinuing nursing.

Q: Can I take Тразин if I am already taking other prescription medications?

A: Regulatory documents list many substances, including specific prescription drugs, with which co-administration is either formally prohibited (contraindicated) or requires caution. This is due to the potential for harmful additive effects or other serious adverse events.

Q: What types of drug interactions are listed for Тразин in the official documents?

A: Interactions are officially classified in regulatory documents into categories such as Contraindicated Combinations (which are formally prohibited), Major Pharmacodynamic Effects (which cause additive effects), and Exposure Alterations (which change the level of the drug in the body).

Q: What are the main risks associated with Тразин?

A: The most serious adverse reactions described in official labeling include Neuroleptic Malignant Syndrome (NMS) and Tardive Dyskinesia, which are rare but serious movement disorders. A significant caution is also noted regarding the increased risk of mortality when the drug is used in older adults with dementia-related psychosis.

Q: What official studies support the use of Тразин?

A: The uses of the drug are supported by clinical research. This includes Randomized Controlled Trials (RCTs) for psychotic disorders and Double-Blind, Placebo-Controlled Multicenter Trials for the short-term treatment of severe anxiety.

Q: Why is Тразин sometimes used when other medicines have failed?

A: Тразин is classified as a conventional (first-generation) high-potency antipsychotic. Its specific pharmacological profile means it may be a therapeutic option considered for use when previous treatments, including newer agents, have not been sufficient.

Q: Is it normal to feel [common side effect, e.g., drowsy] when starting Тразин?

A: Drowsiness and dizziness are listed as common side effects in the official labeling. These effects are often more noticeable, particularly at the beginning of treatment, as the body adjusts to the medication.

Q: Can Тразин be taken with common over-the-counter pain relievers?

A: Official labeling advises caution with medicines that are known to prolong the Q-T interval. Due to interaction risks with certain over-the-counter components, combining medications must be discussed with a healthcare provider.

Q: How long does Тразин stay in the body?

A: The elimination half-life of the active ingredient, Trifluoperazine, is stated in the professional monograph to be approximately 12 to 24 hours.

Q: Is a prescription required to obtain Тразин?

A: Yes, Тразин (Trifluoperazine) is officially classified as a prescription medication. This means that its use requires professional supervision and authorization from a licensed healthcare provider.

Q: Is Тразин effective for everyone who takes it?

A: Research findings from clinical trials indicate that only a portion of participants demonstrated a favorable response to the treatment. This means that individual response can vary, and not all people will experience the same level of effect.

Q: Is feeling more anxious at first a reported side effect of Тразин?

A: The regulatory-derived symptom lists for the medication include agitation and jitteriness as potential, non-serious side effects. Users may perceive these feelings as increased anxiety, especially when first starting treatment.

Q: Can Тразин affect blood pressure?

A: Yes, the official label notes a risk of orthostatic hypotension. This is a sudden drop in blood pressure that can occur when a person stands up too quickly, which may cause dizziness and lightheadedness.

Q: Is it necessary to have routine blood tests while taking Тразин?

A: The official safety information lists the risk of rare, severe hematological disorders such as Agranulocytosis and blood dyscrasias. The presence of these risks indicates that monitoring by a healthcare provider is generally required while taking this medication.

Q: Does the time of day matter when taking Тразин?

A: The drug may be administered on a schedule of one or two times a day, as determined by the prescriber. Official labeling recommends taking the medication after a meal or a light snack, which can help to reduce the incidence of certain side effects.

Q: Is there any research on Тразин and fertility?

A: Official animal studies have revealed evidence of chromosomal aberrations in spermatocytes and abnormal sperm in male animal models. No controlled human data on the effects on fertility are typically provided in the drug’s labeling.

Q: Are there any specific mental health conditions that prevent the use of Тразин?

A: Official labeling mandates that the drug is contraindicated, meaning it must not be used, in patients who are in a comatose state or in the presence of severe central nervous system depression.

Q: Does using tobacco products affect how Тразин works?

A: Official regulatory text notes that tobacco smoking may increase the clearance of trifluoperazine from the body. This change in clearance can potentially affect how the medicine works overall.

Q: Does Тразин come with a Patient Information Leaflet, and what does it include?

A: Yes, the drug is packaged with a Patient Information Leaflet (PIL) or equivalent document. This includes mandatory sections covering what the tablets are, what they are used for, warnings, how to take the medicine, possible side effects, and official storage guidelines.

How should Тразин be stored and disposed of?

How to Store and Dispose of Trifluoperazine (Тразин)

Official regulatory documents establish mandatory requirements for storing and disposing of Trifluoperazine oral tablets, focusing on specific environmental and security constraints.


Official Storage Conditions

Requirement Constraint Defined in Regulatory Labeling
Temperature Store at controlled room temperature, between 20°C and 25°C (68°F and 77°F).
Container Keep the medication in a tightly closed container to protect it from moisture.
Protection The product must be stored in a manner that protects it from light.
Child Safety Mandatory to keep the medication out of the sight and reach of children.

Disposal Instructions

Official disposal rules prohibit flushing unused or expired Trifluoperazine down a toilet or pouring it into a drain. The medication must be disposed of through a government-approved method, such as a community drug take-back program. If a program is unavailable, follow the official non-hazardous household disposal procedure.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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