Berlithion

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Berlithion

Medically reviewed

Laura Arias

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 Berlithion

Quick Facts: Berlithion

Property Description
Active ingredient Thioctic acid (Alpha-lipoic acid)
Form Film-coated tablets, Concentrate for solution for infusion
Pharmacological class Metabolic agent, Antioxidant
General purpose Metabolic support and protection against oxidative stress
Origin Synthetic (pharmaceutical grade), Endogenous substance

Berlithion: Definition and Pharmacological Classification

Berlithion is a well-established medicinal brand, typically prescribed, that is a single-ingredient product whose active ingredient is Thioctic acid, chemically synonymous with Alpha-lipoic acid. The medicinal entity is officially classified as a metabolic agent that exerts powerful antioxidant activity. Thioctic acid is recognized as an endogenous substance—a sulfur-containing fatty acid naturally synthesized in the body—where it serves as a critical coenzyme in cellular energy metabolism. The pharmaceutical preparation of Berlithion is synthetic, allowing for its controlled therapeutic administration, particularly in metabolic conditions impacting the nervous system.


Composition and Available Pharmaceutical Preparations

The medicine is supplied in two principal dosage forms to support diverse delivery requirements, reflecting its use in both initial and long-term support. Berlithion is available as a concentrate for solution for infusion, which uses an aqueous solution vehicle for parenteral (intravenous) administration to achieve rapid, high systemic concentrations of Thioctic acid. It is also produced as film-coated tablets for convenient oral administration. alpha-Lipoic acid functions in redox signaling and energy production, providing multifaceted metabolic support beyond simple energy conversion.


General Purpose and Core Metabolic Role of Thioctic Acid

The general purpose of Berlithion’s administration is to provide foundational metabolic support and protection against the damaging effects of oxidative stress in vulnerable tissues. Thioctic acid is highly valued for its ability to function as a versatile free radical scavenger in both lipid-soluble and water-soluble environments within the cell. This dual capability, coupled with its role as a coenzyme supporting glucose metabolism, helps maintain the cellular integrity and functional health of critical organs, particularly the peripheral nerves and the liver.

Regulatory References

  1. National Institutes of Health (NIH)

What side effects are possible with Berlithion?

Possible Side Effects and Safety Information

Official regulatory documents classify the possible adverse effects of Thioctic acid (Berlithion) based on their frequency and the body system affected. The most frequently observed side effects are typically related to the gastrointestinal system and the skin.

Frequency-Classified Adverse Reactions

Classification Common Reactions
Common Nausea, skin rash
Frequency Unknown Headache, dizziness, vomiting, heartburn, stomach ache, itchiness, hives

System-Organ Classes and Safety Concerns

Adverse reactions are grouped by system, including Immune System Disorders and Metabolism and Nutrition Disorders. The most serious official safety considerations involve the potential for severe allergic reactions (hypersensitivity reactions), which may manifest as anaphylactic shock.

Another critical safety note relates to hypoglycemia (low blood sugar), which is categorized as a risk under Metabolism and Nutrition Disorders. This risk is explicitly highlighted in the official prescribing information for diabetic patients and requires close monitoring of blood glucose levels during the initial phase of treatment. Rare, but severe, metabolic events like Insulin Autoimmune Syndrome (IAS) have also been documented in association with Thioctic acid use.

Population-Specific Constraints

Use is subject to specific regulatory constraints in certain populations. Due to a lack of established safety data, use is generally constrained for pregnant and breastfeeding individuals. Furthermore, regulatory documents advise caution and/or monitoring for patients with existing thyroid disorders, liver disease, or thiamine deficiency. Patients are also advised in official documents to avoid regular alcohol consumption, as it is a known risk factor for the progression of the condition being treated.

Overdose and Emergency Response

The official regulatory documents state that an overdose of Thioctic acid (Berlithion) may initially present with non-specific symptoms such as nausea, vomiting, and headache. However, significant overdose is associated with the potential for severe, life-threatening systemic toxicity. These manifestations include severe central nervous system effects such as seizures with loss of consciousness. Physiological systems affected may include the metabolic system, leading to severe lactic acidosis and pronounced hypoglycemia. Further documented complications include severe disturbances of blood clotting, rhabdomyolysis (muscle damage), and the potential for multiple organ dysfunction and lethal outcome.

Serious poisonings are specifically linked to the ingestion of doses documented as above 10 grams, particularly when combined with alcohol. For children, the regulatory information notes that overdose can have critical consequences, as there is no established safe dose.

When any suspicion of a significant overdose exists, the official guidance mandates that the patient must seek immediate medical attention and ensure prompt transportation to the hospital. Treatment for Thioctic acid overdose is strictly symptomatic and supportive, following general principles for cases of poisoning, as no specific antidote is available. Close monitoring and intensive care may be required to manage severe effects.

Therapeutic Uses of Berlithion

What Berlithion Treats: Main Uses and Benefits

Berlithion (Thioctic acid) is commonly used in the management of specific sensory discomfort arising from metabolic issues, providing supportive relief for the nervous system. Its therapeutic indication is established for complications of diabetes.

The medication is used for the symptomatic treatment of diabetic polyneuropathy, a condition where nerve damage results in distressing symptoms related to increased neurological activity. It is utilized in situations involving certain distressing symptoms such as persistent burning sensations, painful tingling (paresthesia), sharp, shooting pain, and pronounced numbness in the feet and legs. The medication may assist with maintaining a sense of stability when these symptoms become more noticeable, particularly those that commonly disrupt sleep quality.

“The treatment is generally considered relevant in scenarios where the patient experiences heightened discomfort or functional strain due to chronic neuropathic symptoms.”

Quick Fact: Relief for Neuropathy
Primary Indication Symptomatic management of diabetic polyneuropathy
Symptoms Relieved Burning, tingling, shooting pain, and numbness
Benefit Helps ease overall symptom load and supports general well-being

Eligibility and Restrictions for Use

Who Can and Cannot Use Berlithion (Thioctic Acid)

The official regulatory documents for Berlithion (Thioctic acid) establish clear rules regarding patient eligibility. Use is permitted for adults who do not have any formal contraindications or restrictions.


Absolute Contraindications

Use is strictly prohibited (contraindicated) for two key populations:

  • Individuals with known hypersensitivity or allergy to thioctic acid or to any excipient in the medicine's formulation.
  • Children and adolescents under 18 years of age. Regulatory agencies state that the use in this age group is not recommended because safety and efficacy are officially not established.

Conditional and Restricted Use

Restrictions apply to specific physiological statuses and comorbidities:

  • Pregnancy and Lactation: Use during pregnancy and breastfeeding is generally not recommended. Treatment is only permitted after a stringent determination of the benefit-risk ratio by a physician, given the lack of conclusive human study data.
  • Organ Function and Comorbidity: Patients with severe renal insufficiency may require dose reduction. Patients with diabetes must be closely monitored for potential hypoglycemia. Additionally, patients with certain HLA genotypes are recognized as being more susceptible to developing Insulin Autoimmune Syndrome (IAS) during treatment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation details specific interaction patterns for Berlithion (Thioctic acid), reflecting its metabolic and chemical properties. The primary concern is pharmacodynamic potentiation with glucose-lowering drugs.


Documented Interaction Classes

Interaction Type Interacting Substance(s) Regulatory Outcome
Pharmacodynamic Antidiabetic Agents (Insulin, oral agents) Increased risk of hypoglycemia due to additive blood-sugar-lowering effect.
Absorption Interference Ferric Salts (Iron) and Magnesium Products Leads to reduced absorption of Thioctic acid due to chelation.
Efficacy Reduction Cisplatin (Chemotherapy) May reduce the therapeutic efficacy or cytotoxic action of Cisplatin.
Efficacy Reduction Thyroid Hormone Replacement May reduce the effectiveness of co-administered medications like Levothyroxine.

Official Restrictions and Constraints

The label-based requirement for timing separation is mandatory when administering oral Berlithion alongside iron preparations or magnesium products to ensure adequate drug absorption. Furthermore, consumption of alcohol (Ethanol) is documented to reduce the therapeutic effect of Thioctic acid and may worsen the underlying condition being treated. These statements define the official constraints and necessary separation requirements for the medicinal product.

Mechanism of Action

Modulation of Oxidative Stress

Berlithion (alpha-lipoic acid) functions as an antioxidant by directly scavenging highly reactive species like free radicals and reactive oxygen species (ROS). Its reduced form, dihydrolipoic acid (DHLA), can also regenerate other essential endogenous antioxidants, such as glutathione, Vitamin C, and Vitamin E. This action restricts the propagation of oxidative processes and influences cellular redox homeostasis.


Support for Energy Metabolism

The drug acts as a necessary cofactor for key mitochondrial multienzyme complexes, including the pyruvate dehydrogenase complex and the alpha-ketoglutarate dehydrogenase complex. By facilitating the oxidative decarboxylation of alpha-keto acids, Berlithion is relevant in systems requiring targeted pathway adjustment for optimal energy production (ATP synthesis), which contributes to metabolic flux and energy transfer within nerve and muscle tissues.


Influence on Signal Transduction

Berlithion engages mechanisms that regulate cellular processes by modulating crucial signaling cascades. It influences transcription factors like NF-kappaB and Nrf2. This modification of early molecular steps modulates gene expression related to inflammatory pathways, thereby influencing downstream cellular signaling.

Dosage and Administration Information

The use of Berlithion (Thioctic acid) is based on a standardized two-phase protocol for delivery, utilizing an intravenous (IV) infusion concentrate and oral 600 mg film-coated tablets.

Administration Scope

The Dosing schedule is fixed at 600 mg once daily for both the initial IV phase and the long-term oral phase. The IV treatment course typically lasts for two to four weeks, after which the patient transitions to the oral maintenance dose.

Regarding Timing in relation to meals, the oral tablet must be taken on an empty stomach to ensure proper absorption.

Preparation and Administration

The IV infusion requires specific Special procedural conditions: it must be administered slowly, over a period of at least 30 minutes. The prepared solution must be strictly protected from light and started immediately after opening the vial, as the active substance is photosensitive.

Age-Group and Population Rules

Age-group administration rules explicitly state that the medicine is not recommended for use in children and adolescents due to insufficient clinical data. Use in patients with hepatic impairment also requires caution.

Connection to the overall use protocol

The treatment protocol involves a two-stage usage sequence, which dictates a shift from an initial, short-term intravenous administration to a long-term oral maintenance regimen. This sequence standardizes the frequency to once daily and mandates a consistent 600 mg dose throughout the entire treatment. Specific procedural requirements, such as the 30-minute minimum infusion time and the mandatory empty-stomach intake for the tablet, define the precise handling of each dosage form.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Berlithion (Thioctic acid)

This section provides an overview of the official research that has examined Berlithion. The purpose here is to describe the types of clinical studies, the specific outcomes researchers measured, and where scientific uncertainty remains. This summary uses language that describes group patterns observed in studies and does not offer individual predictions or clinical advice.

Evidence for Use in Symptomatic Diabetic Polyneuropathy

The evidence base for Berlithion's primary application—research exploring the symptomatic treatment of diabetic polyneuropathy—comes mainly from a number of Randomized Controlled Trials (RCTs). These short-term trials often involved intravenous (IV) administration and were later compiled into Systematic Reviews and Meta-analyses. These studies were used in research exploring how symptoms change over time in adults with Type 1 or Type 2 Diabetes who had diagnosed nerve damage.

Research focused heavily on patients who reported conditions involving periods of heightened symptoms, such as persistent burning, sharp pain, and uncomfortable tingling or numbness in the feet and legs. Studies conducted during periods of increased symptom activity reported that measurements taken on standardized symptom scales (like the Total Symptom Score, or TSS) evolved in the observed populations over a period of a few weeks. These findings describe group patterns observed in the studies related to short-term reports of patient-reported discomfort.

Outcomes Measured in Clinical Trials

Research examined two main types of outcomes related to physical discomfort: subjective symptoms and objective nerve function. Patient-reported outcomes describe perceived discomfort, such as the intensity of pain and numbness. In addition to symptoms, research also examined objective, physical measures like the Neuropathy Impairment Score (NIS-LL) and Nerve Conduction Velocity (NCV) tests, which monitor physiological strain or stress on the nerves. Studies monitored these objective outcomes, but when researchers compiled the results, data show patterns related to physical measures were inconsistent and variable across studies.

What Research Gaps and Uncertainty Remain

The evidence base contributes to the broader understanding of symptom patterns in DSPN, but it is important to acknowledge areas where certainty remains low or research is ongoing. Long-term effects are not fully established regarding research exploring the progression of nerve damage as measured by objective tests. Furthermore, research does not determine whether an individual will respond similarly, as study results reflect the specific conditions under which they were conducted. Data for assessing outcomes related to severe, long-term complications or Quality of Life have been described as insufficient, indicating where more research is needed.

Frequently Asked Questions (FAQ)

Common questions about Berlithion (FAQ)


Q: How quickly do people typically notice an effect from Berlithion?

Official research evidence indicates that symptoms were examined over a period of a few weeks in clinical trials involving patients with nerve discomfort. The studies tracked how symptoms evolved over this short-term duration to observe group patterns.

Q: Is Berlithion meant to be a long-term treatment?

According to the official product information, the initial phase involves short-term intravenous administration. This is typically followed by a long-term oral administration for continued, maintenance therapy.

Q: What are the signs that Berlithion is starting to work?

Clinical studies focused on measuring changes in patient-reported symptoms related to nerve damage. These symptoms included persistent burning, sharp pain, and uncomfortable tingling or numbness.

Q: Can Berlithion affect blood sugar levels?

Yes, official documents state that Thioctic acid can lower blood glucose levels. Because of this effect, the medicine may increase the action of insulin and oral antidiabetic agents, creating a risk of low blood sugar, known as hypoglycemia.

Q: Does Berlithion interact with thyroid medication?

Official information indicates that Berlithion may reduce the effectiveness of co-administered thyroid hormone replacement medications. Official documents note that patients with existing thyroid disorders should be monitored or advised of this concern.

Q: Is the effect of Berlithion permanent or does it stop when the medication is stopped?

Official documents state that long-term effects are not fully established regarding the progression of nerve damage. Research results reflect the specific conditions under which studies were conducted and do not determine if an individual's response will be permanent after discontinuation.

Q: Is Berlithion effective for all types of nerve issues?

The official research and regulatory evidence for Berlithion is specific to the symptomatic treatment of diabetic polyneuropathy in adults. Its use in other types of nerve issues is not addressed in the primary regulatory documentation.

Q: What is the overall safety profile of Berlithion according to regulators?

The official safety profile outlines potential side effects and serious risks. Common effects include nausea and skin rash, while serious safety concerns include the potential for severe allergic reactions (hypersensitivity) and hypoglycemia (low blood sugar).

Q: Why is Berlithion prescribed for nerve problems?

The active ingredient, Thioctic acid, is documented to function as an essential coenzyme in cellular energy metabolism. It also acts as an antioxidant that helps protect the functional health of peripheral nerves against oxidative stress.

Q: What happens if I forget to take Berlithion?

In the event of a missed oral dose, official documentation advises not to take a double dose to compensate. The recommended course of action is to continue with the next scheduled dose.

Q: Is it common to have mild stomach upset when starting Berlithion?

Nausea is officially listed as a Common side effect. Other gastrointestinal effects, such as heartburn and stomach ache, have also been reported, but their frequency is categorized as unknown.

Q: Does Berlithion require a prescription in most places?

Official regulatory documents classify Berlithion as a Medicinal product subject to medical prescription. This designation means it requires authorization from a healthcare professional for its distribution.

Q: Is Berlithion the same as [Name of similar over-the-counter supplement]?

Berlithion is a single-ingredient medicinal brand of Thioctic acid that is classified as a metabolic agent and requires a prescription for its use. This classification distinguishes it from over-the-counter food supplements.

Q: What happens if Berlithion is used for longer than initially recommended?

While a long-term oral maintenance regimen is established, official documents note that long-term effects are not fully established regarding the progression of nerve damage. The protocol for continued use beyond the initial phases is established by the prescribing authority.

Q: What official bodies have approved Berlithion for its primary use?

The instructions and requirements for this medicine are based on a European Regulatory Summary and specific marketing authorizations granted by national regulatory bodies that follow the European system.

Q: Is the research evidence for Berlithion considered strong?

The evidence base for its primary use includes Randomized Controlled Trials (RCTs). However, research overviews also noted that patterns related to physical measures were inconsistent and variable across the compiled studies.

Q: What is the difference between the various dosage forms of Berlithion?

The medicine is supplied as a concentrate for infusion (IV) for initial administration, and as film-coated tablets for oral maintenance. The IV form is used first to achieve rapid, high systemic concentrations of the active ingredient, as part of the established two-stage protocol.

Q: Does Berlithion help with tingling and numbness?

Studies examined the effects of the drug on symptoms such as tingling or numbness in patients with symptomatic diabetic polyneuropathy. The research explored how these patient-reported symptoms changed over the study period.

Q: Can Berlithion be safely used by people with kidney problems?

Official warnings state that patients with severe renal insufficiency may require a dose reduction. This is because the elimination of drug metabolites can be affected by reduced kidney function.

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

The most critical timing requirement is that the oral tablet must be taken on an empty stomach to ensure proper absorption. The time of day itself is not otherwise regulated in the official documentation.

Q: Why might a person be asked to stop taking Berlithion suddenly?

Official safety warnings highlight the potential for severe allergic reactions (hypersensitivity) and rare, severe metabolic events (like Insulin Autoimmune Syndrome). These are conditions that would require immediate medical attention.

Q: Why is Berlithion sometimes given by injection instead of a tablet?

The initial administration is by infusion (injection) to achieve rapid, high systemic concentrations of the active ingredient. This is part of the established treatment protocol before transitioning to the oral tablet for long-term maintenance.

Q: Is it safe to drive or operate machinery while taking Berlithion?

The official label notes that potential adverse reactions such as dizziness have been reported. For this reason, official documentation highlights the need for caution when assessing the ability to drive or operate machinery.

Q: How long does Berlithion stay in the body?

Pharmacokinetic studies show that the drug and its metabolites are eliminated from the body. Approximately 12.4% of the administered dose is recovered in the urine after 24 hours.

Q: What is the recommended period of time to use Berlithion?

The initial intravenous phase typically lasts for two to four weeks. After this period, regulatory protocols establish a transition to the oral maintenance dose.

Q: Are there specific symptoms that Berlithion is intended to address?

The drug is researched for the symptomatic treatment of diabetic polyneuropathy. The specific symptoms intended to be addressed include persistent burning, pain, and uncomfortable tingling or numbness.

How should Berlithion be stored and disposed of?

How to Store and Dispose of Berlithion

Official regulatory documents define strict conditions for the storage and disposal of Berlithion (Thioctic acid) to maintain its stability and ensure safety.


Storage and Handling

Berlithion must be stored below 25°C and must be protected from light and moisture. To comply with these requirements, the medicine must be kept in its original package.

Handling Requirement Storage Condition
Temperature Limit Store below 25°C
Environmental Protection Protect from light and moisture
Child Safety Keep out of the sight and reach of children

For the concentrate solution, handling is more restrictive: the vial must be removed from its package directly before administration, and the diluted solution is generally stable for 8 hours at room temperature.

Disposal Instructions

All unused or expired Berlithion must be disposed of according to local requirements/regulations. Medicines should not be disposed of in wastewater or household trash unless explicitly authorized by disposal guidelines.

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

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