Teturam

Quick links to important sections

Teturam

Selected form

Treatment option: Alcoholism

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 Teturam

Understanding Teturam

Teturam is a pharmacological agent used in the treatment of chronic alcohol dependence. It belongs to a class of medications known as aldehyde dehydrogenase inhibitors. Its primary purpose is to act as a deterrent against the consumption of alcohol by altering how the body processes ethanol.

Mechanism of Action

When alcohol is consumed, the body normally breaks it down into acetaldehyde, which is then further metabolized into acetic acid by an enzyme called aldehyde dehydrogenase. Teturam works by blocking this enzyme.

If alcohol is ingested while this medication is in the system, acetaldehyde accumulates in the bloodstream. This buildup results in a highly unpleasant physical reaction, often referred to as the disulfiram-ethanol reaction. The physiological discomfort associated with this reaction serves as a biological barrier to help individuals maintain abstinence.

Role in Treatment

Teturam is not a cure for alcoholism; rather, it is a supportive tool used within a comprehensive therapeutic framework. It is typically utilized after a patient has undergone initial detoxification and is committed to maintaining sobriety. Because the medication does not reduce the psychological craving for alcohol, it is most effective when combined with psychological counseling, support groups, and behavioral therapy.

Regulatory References

  1. Disulfiram Tablets - DailyMed

What side effects are possible with Teturam?

Possible Side Effects and Safety Information

The safety profile of Teturam (Disulfiram) is defined by officially documented adverse reactions and strict constraints published in government regulatory labeling. The primary and most serious safety risk is the Disulfiram-Alcohol Reaction (DAR), a severe, potentially fatal response triggered by consuming alcohol, even in small amounts, which may occur up to 14 days after the last dose.

Officially Documented Adverse Reactions

Adverse reactions are classified by the affected organ system and frequency, according to regulatory standards (e.g., SmPC/FDA):

System-Organ Class Common Adverse Reactions Serious Adverse Reactions
Hepatobiliary Altered liver function tests (Rare) Drug-induced liver injury, Hepatic Failure
Nervous System Drowsiness, Headache, Fatigue (Common) Optic Neuritis, Peripheral Neuritis, Encephalopathy
Gastrointestinal Nausea, Vomiting, Metallic Taste (Common)

Common adverse effects like drowsiness, headache, and fatigue are often experienced during the initial two weeks of therapy. In contrast, serious neurological effects, such as polyneuropathy, are noted as potentially dose-dependent and may develop several months after treatment initiation.

Population-Specific Safety Constraints

The regulatory labels identify specific constraints for certain populations. The medicine requires liver function monitoring prior to and periodically during therapy due to the risk of hepatotoxicity. Use is generally not advised or may be contraindicated during pregnancy and lactation. Furthermore, caution is required in patients with pre-existing conditions, including severe hepatic, cardiac, or renal disease, epilepsy, and diabetes mellitus, as specified in the official documents.

Overdose and Emergency Response

The official regulatory profile for Teturam (Disulfiram) overdose outlines specific clinical manifestations and mandated emergency actions. Documented acute presentations may include non-specific gastrointestinal disturbances such as nausea, vomiting, and abdominal pain. Central nervous system effects are also noted, including drowsiness, lethargy, delirium, and hallucinations, along with signs like tachycardia and hypotension.

Urgent medical attention is mandatory for any suspected overdose. Emergency services must be contacted immediately if the affected individual collapses, experiences a seizure, has trouble breathing, or cannot be awakened. Severe, life-threatening outcomes documented in regulatory sources include cardiovascular collapse, coma, and convulsions.

Furthermore, regulatory information specifies that severe neurological complications, such as sensorimotor neuropathy and encephalopathy, may occur with a delay of several days following acute ingestion, necessitating extended monitoring. Hypotonia may be a prominent finding, particularly in children. Overdose management is officially described as symptomatic and supportive, and it is noted that no specific antidote is known, emphasizing the necessity of supportive clinical care.

Therapeutic Uses of Teturam

What Teturam Treats: Main Uses and Benefits

The active ingredient in Teturam is a long-established therapy used to address chronic alcohol dependence, which may be used alongside psychosocial treatment to support the goal of abstinence.

Teturam is relevant in conditions characterized by periods of heightened symptoms, and is applied across domains where additional symptomatic support is needed. It helps address symptom clusters that may become intense or disruptive, such as intense cravings and the loss of control over drinking. This support is relevant in contexts involving heightened systemic burden, assisting with maintaining functional stability during phases of recovery.

“It is considered relevant within the pharmacological strategy that supports a patient's commitment to sustained abstinence.”


Quick Fact: Relief for Cravings and Relapse Risk

Teturam is commonly used to help patients cope more steadily with the intense cravings associated with dependence. It contributes to maintaining a sense of stability when symptoms are more noticeable during the recovery process.

Regulatory References

  1. NIH Bookshelf Overview

Eligibility and Restrictions for Use

Teturam (Disulfiram) is a prescription medicine indicated for adults committed to maintaining abstinence from alcohol. Eligibility is strictly governed by authoritative regulatory guidelines, which define specific contraindications and conditional use populations.


Contraindicated Populations (Must Not Use)

Condition/Status Restriction Basis
Current Alcohol Intoxication Must not be administered within 12 hours of alcohol use (FDA, EMA).
Severe Heart Disease Contraindicated in severe myocardial disease or coronary occlusion (FDA, EMA).
Psychosis/Hypersensitivity Prohibited in patients with psychosis or known allergy to Disulfiram or thiuram derivatives (FDA, EMA).

Restricted and Conditional Use

Use requires extreme caution and often mandatory monitoring in patients with pre-existing conditions, including hepatic impairment (liver disease), renal impairment, diabetes mellitus, hypothyroidism, epilepsy, and significant cerebral damage (FDA, EMA).

Age and Life Stage: Safety is not established for pediatric patients (under 18 years). Use during pregnancy and breastfeeding is generally not recommended due to insufficient safety data or documented risks (FDA, EMA).

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Teturam (Disulfiram) outlines several mandatory restrictions and clinically significant interactions, based on both pharmacodynamic and pharmacokinetic mechanisms.


Contraindicated Combinations

The most critical restriction is the absolute contraindication with alcohol (ethanol), including alcoholic beverages and disguised forms of alcohol found in products like cough syrups, sauces, aftershave lotions, and tonics. This combination causes the severe disulfiram-alcohol reaction (Acetaldehyde Syndrome). Co-administration with Metronidazole and Paraldehyde is also formally prohibited due to the risk of severe central nervous system effects, including psychosis.

Pharmacokinetic Interactions

Disulfiram is documented to inhibit the metabolism of several co-administered medicinal products, which can lead to increased exposure and potential toxicity. This involves the inhibition of specific CYP450 enzymes. Agents affected include Phenytoin, where co-administration can increase its plasma levels and risk of intoxication. Similarly, it potentiates the effect of Oral Anticoagulants (e.g., Warfarin) due to decreased clearance. Other affected medicines include certain Benzodiazepines (like Diazepam) and Tricyclic Antidepressants.

Timing and Separation Requirements

Mandatory waiting periods are required to avoid interactions. Teturam treatment should not be initiated until at least 12 hours after the patient's last intake of alcohol. The official profile also states that alcohol must be avoided for up to 14 days following the discontinuation of Teturam to prevent the possibility of a reaction.

Mechanism of Action

Irreversible Inhibition of Acetaldehyde Clearance

The drug's primary action is the irreversible inhibition of the enzyme Aldehyde Dehydrogenase (ALDH2) in the liver. This mechanism blocks the second metabolic step of ethanol, preventing the oxidation of the intermediate acetaldehyde and causing its concentration to rapidly accumulate in the bloodstream.


Physiological Cascade Resulting from Acetaldehyde Accumulation

The resulting high concentration of acetaldehyde directly initiates a physiological sequence known as the Acetaldehyde Syndrome. This involves profound systemic vasodilation, a drop in blood pressure (hypotension), and an autonomic response manifesting as reflex tachycardia (increased heart rate) and intense gastrointestinal distress.


⏱️ Functional Duration and Scope

The drug's unique longevity stems from the covalent bond formed with ALDH2; the enzyme is permanently deactivated and the physiological effect persists until new, functional enzyme is synthesized, often lasting up to two weeks. This mechanistic constraint results in a sustained duration of effect, although it does not modulate the central nervous system pathways (e.g., opioid, GABA, glutamate) relevant to the neurobiology of dependence.

Dosage and Administration Information

Instruction Map: How to Use Teturam — Official Administration Guidelines

The usage of Teturam (Disulfiram) is defined by a precise set of administration rules. The protocol is strictly focused on the oral route of administration and follows a continuous, once-daily schedule.


Administration Scope

Instruction Category Official Guideline
Route of administration Oral route (tablet form).
Dosing schedule Initial Dose: Maximum of 500 mg daily for one to two weeks. Maintenance Dose: Typically 250 mg daily, with an allowed range of 125 mg to 500 mg daily.
Timing in relation to meals Usually taken in the morning. May be taken at bedtime if sedation occurs.
Preparation requirements Tablets may be crushed and mixed with liquids (e.g., water, coffee, milk) to aid intake.
Age-group administration rules Older Adults (Geriatric): Dose selection should be cautious, starting at the low end of the range. Pediatric: Safety and effectiveness have not been established.
Special procedural conditions Administration must begin only after the patient has been alcohol-free for at least 12 hours. Alcohol must be avoided for up to 14 days after the medication is discontinued.

Instruction Classifications (High-Level)

Classification Detail
Administration method type Oral
Frequency pattern Daily (once per day)
Standardization basis Clinical prescribing standards.
Use-context constraints Mandatory pre-treatment and post-treatment alcohol avoidance periods.

Resulting Procedural Structure

Official step sequence:

  • Ensure a minimum of 12 hours of alcohol abstinence has passed before the first dose.
  • Initiate treatment with a single daily dose, not to exceed the 500 mg initial maximum.
  • Transition to the continuous maintenance dose, usually 250 mg daily, for the long-term regimen.

Connection to the overall use protocol: These instructions establish a rigid procedural structure that dictates the drug's use through mandatory conditions for starting and stopping the treatment, alongside a fixed, once-daily oral dosing routine. The required long-term, continuous administration and the mandatory 14-day alcohol-free period after cessation formalize the complete protocol.

Recent Clinical Evidence

Research evidence / Overview of Studies for Teturam (Disulfiram)


Evidence for Use in Chronic Alcohol Dependence (AUD)

Research has explored the role of Disulfiram as a pharmacological aid for individuals committed to continuous abstinence from alcohol. The studies typically use controlled trial designs, including randomized controlled trials (RCTs) and meta-analyses that combine data from multiple trials. Researchers monitored outcomes related to abstinence (periods where no alcohol was consumed) and relapse prevention, measuring the time it took until the first drink. Findings describe patterns observed in the studies regarding abstinence rates and relapse timing. The research describes patterns where the drug was associated with certain outcomes, particularly in trials designed to monitor administration.

The Influence of Trial Design and Supervised Administration

The design of clinical trials for Disulfiram presents a unique challenge, which is a factor in evaluating the consistency of research findings. A central challenge involves blinding the participants. Because the use of the drug requires commitment to abstinence, it makes it challenging for both patients and investigators in fully blinded trials to remain unaware of which treatment was received. These analyses report that the distinct effect of the drug presents methodological challenges for standard, blinded RCTs, leading researchers to rely on different study designs. Findings describe patterns observed in the studies where supervised administration was associated with more consistent measurements of short-term abstinence compared to unsupervised use.

Long-Term Outcomes and Durability of Effect

The majority of high-quality RCTs typically focused on short- to intermediate-term follow-up periods, often lasting between 2 and 12 months. These data derived from controlled settings are limited in providing comprehensive insight into effects lasting many years. Long-term effects are not fully established by the same volume of large-scale, controlled trials. Consequently, there is limited information for long-term outcomes regarding the patterns of abstinence without continuous supervision.

Uncertainties and Research Gaps

Scientific reviews identify areas where more research is needed to fully characterize the evidence. One key gap is the high heterogeneity across trials; evidence quality varies across studies due to the inconsistent use of supervision and the difficulty of blinding. Comparative evidence is lacking in some areas, leaving room for further research to explore how Disulfiram was evaluated in direct, well-controlled studies against all currently available pharmacotherapies over extended periods.

How should Teturam be stored and disposed of?

Official Storage and Disposal Instructions for Disulfiram (Teturam)

Storage/Disposal Component Regulatory Requirement
Storage Temperature Store at Controlled Room Temperature, 20 to 25 C (68 to 77 F), avoiding excess heat.
Protection & Container Keep the container tightly closed and protect the tablets from moisture.
Child Safety Mandatory instruction to keep the medication out of the sight and reach of children.
Disposal Guidelines Unused or expired medication must be disposed of according to specific requirements and should not be discarded in wastewater or ordinary household waste.

Official labeling mandates storing Disulfiram tablets at room temperature in a tightly closed container to preserve the drug's stability and prevent degradation from moisture. For safety, the product must be stored securely away from children. When the medicine is no longer needed, disposal must follow formal procedures, such as drug take-back programs, rather than being placed in the trash or flushed.

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

Available in countries:

Equivalent of Teturam found in:

A-Z Index: