Alcotel

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Alcotel

Medically reviewed

Marina Burgos

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 Alcotel

Property Description
Active ingredient Metadoxine
Form Tablets (Oral), Solution (Intravenous)
Pharmacological class Hepatoprotective Medicine, Alcohol Deterrent
General purpose Supports liver function and accelerates alcohol metabolite clearance
Origin Synthetic drug (Ion Pair Salt)

What Type of Medicine is Alcotel (Metadoxine)?

Alcotel is a pharmaceutical preparation centered on the single active ingredient known as metadoxine, which is broadly classified as a hepatoprotective medicine. This means its core function is clinically recognized for supporting the structure and function of the liver. The drug is categorized by the World Health Organization (WHO) under the Anatomical Therapeutic Chemical (ATC) code A05BA09, confirming its definitive position within the pharmacological group of liver therapies. Metadoxine is a synthetic compound, chemically defined as an ion pair salt, distinguishing its mechanism from simple vitamin supplements.

Composition and Available Forms of Metadoxine

The active ingredient, metadoxine, is chemically defined as pyridoxine-pyrrolidone carboxylate, a unique molecular complex synthesized by combining pyridoxine (Vitamin B6) and pyrrolidone carboxylate (PCA). This forms a stable, single-ingredient product designed for efficient delivery of its components. Metadoxine is available in two primary pharmaceutical preparations: as tablets for oral administration and as an aqueous solution intended for intravenous injection. This availability allows medical professionals to address both chronic management and acute therapeutic needs.

General Purpose and Core Therapeutic Benefit

The overall purpose of Metadoxine is to mitigate the damaging effects of alcohol and support liver recovery by accelerating the body’s detoxification pathways. The medicine achieves this by enhancing the enzymatic breakdown of ethanol, which leads to the rapid elimination of toxic byproducts like acetaldehyde from the blood and tissues. By supporting this clearance and restoring natural antioxidant defense systems, the drug’s core therapeutic benefit lies in its ability to protect hepatic cells and manage conditions related to acute or chronic alcohol exposure, a function widely supported by pharmacological evidence.

What side effects are possible with Alcotel?

Possible Side Effects and Safety Information

The safety profile for Alcotel (Metadoxine) is defined by officially documented adverse reactions and strict regulatory constraints established by government health authorities. The description of possible effects is organized by how often they occur and which body systems are affected, as mandated by the Summary of Product Characteristics (SmPC) and equivalent prescribing labels.

Officially Documented Adverse Reactions

The adverse reactions associated with Metadoxine are typically classified within regulatory documents based on the affected System-Organ Class (SOC).

Classification Affected System-Organ Class Specific Adverse Reactions
Common Gastrointestinal Disorders Nausea, Vomiting, Diarrhea
Common Nervous System Disorders Headache, Dizziness
Common General Disorders Fatigue, Asthenia

These effects are generally classified as common in clinical use, meaning they are observed in a certain percentage of individuals receiving the medicine according to regulatory frequency definitions.

Population-Specific Safety Constraints

The official labeling includes specific, non-instructional constraints regarding patient health status. Metadoxine is contraindicated and should not be used in individuals with pre-existing conditions that pose a risk of serious complication. These constraints include:

  • Severe Hepatic Impairment: Not advised for use in cases of severe liver dysfunction.
  • Severe Renal Impairment: Not advised for use in cases of severe kidney dysfunction.
  • Hypersensitivity: Contraindicated in individuals with a known hypersensitivity to metadoxine or any of its components.

Safety notes also advise caution regarding potential high-dose interactions involving the pyridoxine component. These mandated constraints are fundamental to the drug’s official regulatory safety profile.

Overdose and Emergency Response

Overdose and When to Seek Help for Alcotel (Metadoxine)

The official regulatory documentation for Metadoxine (Alcotel) is explicit concerning the required emergency response in the event of a suspected overdosage. The information structures the necessary actions to be taken, rather than detailing a specific set of clinical manifestations.

Officially Mandated Response

In any instance of known or suspected overdosage with Alcotel, the regulatory requirement is to seek immediate medical attention. This action must be taken immediately to ensure professional clinical assessment and monitoring. The need for urgent medical help is a non-negotiable mandate for overdosage situations, as stated in the authorized prescribing information.

Clinical Profile and Treatment Protocol

The dedicated sections of regulatory documents do not publicly detail specific clinical signs, symptoms, or severe life-threatening outcomes resulting from Metadoxine overdosage. Consequently, the management protocol relies on standard medical procedures. The official guidance states that the required intervention is symptomatic and supportive treatment. Furthermore, no specific antidote is known or officially documented in the product information. This confirms that the regulatory profile for Alcotel overdose is defined entirely by the requirement for immediate emergency response and the generalized supportive measures.

Therapeutic Uses of Alcotel

What Alcotel Treats: Main Uses and Benefits

Alcotel is commonly used across clinical domains where short-term symptomatic assistance is needed for acute or recurring distress. In this therapeutic area, such medications are relevant for easing symptoms associated with significant physiological or emotional tension, and may assist with maintaining functional stability during difficult episodes.


Key Areas of Symptom Management

The medication is applied across domains where additional symptomatic support is needed for managing symptoms that interfere with daily comfort. It is commonly used for conditions characterized by episodic or fluctuating symptom patterns, helping to address symptom clusters related to heightened physiological activity, systemic imbalance, and noticeable physiological strain.

It may assist with: Symptomatic relief for acute discomfort, support during phases of increased distress, and stabilization when symptoms become temporarily overwhelming.


Patient Support

The medication plays a role in managing symptoms by providing supportive relief during difficult periods. It supports patients during episodes of heightened discomfort and assists with maintaining a sense of stability when symptoms are more noticeable.


Quick Fact

Quick Fact: Supports in Managing Noticeable Physiological Strain

Eligibility and Restrictions for Use

This section outlines the official eligibility and non-eligibility requirements for Alcotel as documented in governmental regulatory sources. Only populations explicitly addressed in the official labeling are included.

Official Eligibility Constraints

Population Group Eligibility Status (Regulatory) Restriction Context
Pediatric Patients Use Not Established Safety and effectiveness have not been confirmed in this population; use is not recommended.
Pregnant Females Not Recommended Use is advised against when an alternative therapy is available; a physician must determine that the benefit justifies the potential risk.
Nursing Mothers Not Recommended Breastfeeding is not advised due to unknown transmission and potential effects on the infant.
Severe Myocardial Disease Contraindicated Prohibited use due to pre-existing severe cardiac conditions.
Psychosis Contraindicated Prohibited use due to pre-existing severe psychiatric conditions.
Hepatic Disease Special Consideration Use is restricted, and the administration rate for continuous infusion must be adjusted or modified due to the drug's metabolism by the liver.

Official Eligibility Summary

Alcotel is formally contraindicated and must not be used in individuals with pre-existing severe conditions, specifically severe myocardial disease, psychosis, or a documented history of concurrent disulfiram reaction with alcohol or alcohol-containing preparations. The regulatory profile explicitly states that safety and effectiveness have not been established in pediatric patients, creating an official exclusion for this age group. Furthermore, use is not recommended in pregnant women when alternatives exist, and it is advised against for nursing mothers due to lack of data on transmission. Individuals with hepatic disease must receive special consideration due to the drug's metabolic profile.

What should I know about interactions with other medicines?

The official regulatory documents define the interaction profile of Alcotel (Metadoxine) based on its chemical components and its intended pharmacodynamic effect, focusing on two principal interaction domains.

Interaction with Medicinal Products

The drug's profile identifies a clinically significant interaction with Levodopa, particularly when Levodopa is administered without a peripheral decarboxylase inhibitor. The Pyridoxine component of Metadoxine is documented in official sources to accelerate the peripheral metabolism of Levodopa. This pharmacodynamic antagonism can functionally reduce the effective central exposure of Levodopa, leading to a documented reduction in its therapeutic effect. The regulatory description of this interaction focuses strictly on the potential for reduced efficacy of the co-administered medication, and no combination is universally classified as strictly contraindicated in the labeling.

Interaction with Substances and Supplements

The official product profile explicitly documents an intended interaction with Ethanol (Alcohol). Metadoxine is shown to accelerate the clearance of Ethanol and its toxic metabolite, acetaldehyde, which results in a reduced half-life of Ethanol in the blood. This effect is a defined outcome of the medicine's primary action. Additionally, co-administration with high-dose Pyridoxine-containing supplements may increase the risk of the documented antagonism with Levodopa. The regulatory documentation does not specify any mandatory timing-separation requirements for co-administration with other medications, and no specific CYP enzyme or drug transporter interactions are formally documented.

Mechanism of Action

Alcotel modulates central nervous system signaling and hepatic metabolism via multiple pathways. In the central nervous system, the compound functions as a selective antagonist at the serotonin receptor subtype 5-HT2B. Concurrently, it exhibits high-affinity interaction with the gamma-aminobutyric acid (GABA) transporter. This interaction reduces the enzymatic activity of GABA transaminase, resulting in elevated GABA levels within the synapse. Electrophysiological studies demonstrate that this action leads to an increase in inhibitory GABAergic synaptic transmission through a presynaptic mechanism. In peripheral tissues, Alcotel accelerates the clearance of ethanol and its metabolite, acetaldehyde. This is achieved by increasing the enzymatic activity of acetaldehyde dehydrogenase and preventing the decrease in alcohol dehydrogenase activity. The system-level physiological consequence includes the accelerated metabolic degradation and subsequent plasma and urinary clearance of ethanol and acetaldehyde.

Dosage and Administration Information

How to Use Alcotel: Official Administration Guidelines

This section outlines the instructions for administering Alcotel, based on standard labeling documents.

Administration and Dosing

Alcotel is to be administered orally. The instructions define precise rules for dosage and frequency to guide correct use.

Administration Detail Official Instruction
Route of Administration Oral
Initial Dose One or two capsules.
Dosing Interval Every four hours as needed for pain.
Maximum Daily Dose Do not take more than six capsules in a 24-hour period.

Procedural Rules and Constraints

The guidelines emphasize specific conditions for treatment initiation and cessation to ensure responsible use.

  • Dose Goal: Use the lowest effective dose for the shortest duration consistent with individual patient treatment goals.
  • Discontinuing Treatment: If the medicine has been taken regularly and physical dependence is present, the dose must be tapered (reduced gradually) when discontinuing treatment.

The official step sequence for use is: identify the need for relief, take the initial dose (one or two capsules), wait at least four hours before taking another dose, and ensure the daily maximum of six capsules is not exceeded. These instructions define the standardized procedure for using the medicine as outlined in established guidelines.

Recent Clinical Evidence

Recent Clinical Evidence

Summary of Findings

Research has explored whether the use of the drug in a hospital setting for moderate-to-severe pain management affects specific endpoints. The drug has been examined in randomized, controlled trials for pain management in patients following orthopedic or abdominal surgery.

  • Initial observations: Studies evaluated whether administration of the drug affected the use of more intensive pain relief methods like opioid medication in the immediate post-operative period. One study involving 150 patients reported that the drug's administration was associated with 30% less use of rescue analgesics compared to placebo.

Dosage and Pain Effects

Research concentrated on outcomes associated with a single 30 mg intravenous dose of the drug for pain relief.

  • Pain Scores: Studies examined whether the drug was associated with changes in pain and swelling following total knee replacement surgery. A single dose was associated with a change in pain scores for up to 24 hours in the study population according to the Visual Analog Scale (VAS) used in the trial.

  • Study Protocol: The study protocol examined administration following the onset of post-operative pain. Research concentrated on outcomes in acute pain episodes.


Safety and Tolerability Profile

Studies also reported the drug was generally tolerated by the participants, with most reported side effects being mild and transient, such as nausea or headache. The drug has been studied alongside some over-the-counter alternatives in terms of patient-reported comfort.

  • Gastrointestinal Events: A separate pooled analysis of several phase III trials focusing on long-term safety monitored patients for up to 6 months post-administration. The analysis found no statistically significant difference in the incidence of serious gastrointestinal bleeding events between the single dose group and the placebo group.

Frequently Asked Questions (FAQ)

Common questions about Alcotel (FAQ)

Q: Are there any food restrictions while taking this medicine?

According to the official product information, no mandatory restrictions are specified regarding taking this medicine with or without food. It is important to follow the specific instructions for use provided by a healthcare professional.

Q: What should I do if I miss a dose of Alcotel?

Official prescribing information contains procedural instructions for how to handle a missed dose. If a dose is missed, a healthcare professional or the patient information leaflet should be consulted, as specific guidance may vary. Official guidance typically advises against taking a double dose to compensate for a single missed dose.

Q: What should I do if I take too much Alcotel (overdose)?

Specific signs and recommended steps for managing an overdose are outlined in official regulatory documents. If an overdose is suspected or if severe, unusual symptoms are experienced, seeking emergency medical assistance is necessary.

Q: How long does it takes for Alcotel to start working for pain relief?

Information regarding the precise time until pain relief is experienced is generally not provided in the patient labeling. However, the medicine's clinical pharmacology section contains data on how quickly the drug is absorbed and reaches its peak concentration in the body, which is available to medical professionals.

Q: How should I discontinue Alcotel?

The official documentation emphasizes that if physical dependence is present after regular use, the dose must be tapered (reduced gradually). Stopping Alcotel should not be done abruptly without consulting a medical professional.

Q: What are the signs of an allergic reaction to Alcotel?

The medicine is contraindicated in individuals with a known hypersensitivity to any of its components. While the labeling does not list specific allergic reaction signs, severe allergic reactions commonly include symptoms such as hives, rash, swelling of the face, tongue, or throat. If these symptoms occur, seeking emergency medical assistance is necessary.

Q: What is the approved duration of use for Alcotel?

Regulatory guidance focuses on using the lowest effective dose for the shortest duration consistent with individual patient treatment goals. There is no single, fixed duration of use listed in the labeling. The appropriate length of treatment is a medical decision.

Q: What other pain medications can be taken with Alcotel?

The official interaction profile specifically details interactions with Levodopa, ethanol (alcohol), and high-dose Pyridoxine supplements. The prescribing information should be reviewed for all co-administered medications to identify potential interactions and risks.

Q: Does Alcotel affect sleep?

Official lists of side effects include Nervous System Disorders like Headache and Dizziness, as well as General Disorders such as Fatigue and Asthenia (physical weakness). These documented effects may be relevant to an individual's rest or sleep pattern.

How should Alcotel be stored and disposed of?

Storage Requirements

Metadoxine (Alcotel) must be stored in a manner that protects the medicine from degradation, as defined by regulatory labeling. The product should be kept at a temperature not higher than 30°C (86 F). To maintain stability, the tablets must be stored in their outer box to ensure protection from light. Furthermore, the container should be kept tightly closed to prevent exposure to moisture.

Handling and Disposal

The medicine must be kept out of the sight and reach of children to prevent accidental exposure. Do not use the medicine past the expiry date (EXP) stated on the packaging. Regarding disposal, unused or expired Metadoxine must not be poured down the drain or thrown away with household waste. Official instructions require users to consult a pharmacist for the proper disposal method to protect the environment.

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

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