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Biral

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Biral

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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 Biral

What is Biral? Defining a Natural Sedative

Property Description
Active Ingredients Valerian (Valeriana officinalis), Passion Flower (Passiflora incarnata)
Form Tablet (Film-coated), Solution, Drops
Pharmacological Class Mild Sedative, Anxiolytic (Nervine)
General Purpose Relief of mild mental stress and nervous restlessness
Origin Natural (Fixed herbal extract combination)

Identity and Classification: Defining Biral

Biral is a fixed herbal extract combination classified as a mild sedative and anxiolytic product, positioning it within the therapeutic domain of nervine agents. It is formally considered a plant-based medicine because its active components are derived exclusively from dried botanical sources. The core constituents are Traditional Herbal Medicinal Products used for the relief of mild symptoms of mental stress and to aid sleep. This preparation is often classified for non-prescription, Over-The-Counter (OTC) use, underscoring its general therapeutic positioning.

Core Components and Pharmaceutical Form

The efficacy of Biral relies on the combined action of its two primary active ingredients [INN]: the dried root extract of Valerian (Valeriana officinalis) and the dried herb extract of Passion Flower (Passiflora incarnata). The combined extracts, when administered together, may demonstrate a measurable effect on sleep latency and quality in individuals with mild sleep disorders. This synergistic action contributes to improved sleep onset. The product is standardized to ensure consistent levels of key compounds, such as sesquiterpenoids from Valerian and flavonoids from Passion Flower, across its various dosage forms, including tablets and solutions, delivered via the Oral (Peroral) route.

General Purpose: Supporting Relaxation and Rest

The general purpose of Biral is to act as a supportive agent for mitigating states of elevated nervous tension and general agitation by exerting a sedative effect. Its overall benefit is the promotion of a calmer state, addressing typical scenarios such as difficulty relaxing in the evening or managing nervous feelings linked to daily stressors. The high-level therapeutic aim is to reduce nervous restlessness, thereby supporting relaxation and facilitating the natural process of sleep onset.

What side effects are possible with Biral?

Official Safety Profile and Adverse Reactions

The possible side effects and safety characteristics of Biral (Valerian and Passion Flower extracts) are formally documented based on regulatory reports and post-marketing surveillance. The effects are typically organized by the physiological systems they may affect, known as System-Organ Classes (SOCs).

System-Organ Classes and Reported Effects

The majority of documented adverse reactions fall into the following categories:

  • Gastrointestinal Disorders: These effects include instances of nausea, abdominal cramps, abdominal pain, vomiting, and diarrhoea.
  • Nervous System Disorders: Reactions reflecting the product's sedative properties are reported, such as drowsiness, dizziness, headache, and altered sleep patterns like vivid dreams or nightmares.
  • Immune System Disorders: Rare cases of hypersensitivity reactions, including vasculitis, have been reported in association with the active components.

Most common adverse reactions are typically classified in official regulatory texts as "Not known" frequency, meaning their occurrence rate cannot be precisely estimated from the available spontaneous post-marketing data.

High-Level Safety Considerations

Official labeling defines specific safety constraints for Biral. Due to its potential sedative effect, a central safety statement notes that the medicine may impair the ability to drive and operate machinery. Co-administration with CNS-active medicines or alcohol may lead to increased sleepiness or drowsiness, consistent with its overall risk profile.

Furthermore, use is not recommended in certain groups. Regulatory documents explicitly state that Biral should not be used by children under 12 years of age or during pregnancy and lactation, due to the absence of sufficient safety data for these populations. Rare but documented serious reactions have included specific cardiac concerns, such as tachycardia and the potential for QT interval prolongation.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdosage is defined in official regulatory documents as the administration or ingestion of an amount greater than the specified maximum recommended dose. This can lead to an exaggeration of the drug's known effects and potentially cause serious complications.

Immediate medical intervention is required for any suspected or confirmed overdose to manage the condition and support vital functions. Do not wait for severe symptoms to appear before seeking emergency help.

Overdose Domain Presentation and Risk
Documented Manifestations Symptoms may include signs related to the drug's primary action, such as profound drowsiness, dizziness, severe nausea, and vomiting.
Critical Outcomes Potential serious outcomes involve the central nervous system, cardiovascular system, and major organ function, and may include respiratory depression, severe drops in blood pressure (hypotension), and coma.
Emergency Management Treatment requires general supportive measures, including monitoring of vital signs (e.g., heart rate, blood pressure, respiratory rate), and ensuring a patent airway. Specific measures, such as administration of activated charcoal or an approved antidote (if specified in the prescribing information), must be considered based on the amount ingested and time elapsed.

All individuals, including specific populations like children or those with pre-existing organ impairment, are at risk for severe or life-threatening events following an overdose. The official regulatory profile mandates continuous observation and symptomatic treatment until the patient is stable.

Therapeutic Uses of Biral

The traditional therapeutic use of Biral, combining Valerian and Passion Flower extracts, is considered relevant for the symptomatic management of certain non-severe indications. This includes the use of Valerian preparations for the relief of mild nervous tension and sleep disorders.

Biral is commonly used in conditions characterized by periods of heightened symptoms such as general restlessness, irritability, and difficulty falling asleep due to stress. This supportive use is applied across domains where short-term symptomatic assistance is needed.

Quick Fact: Relief for Nervous Tension The primary intent is to support the patient during episodes of heightened discomfort by easing the symptomatic distress.

The medicine is commonly used in contexts marked by increased discomfort related to non-chronic sleep disturbances. By addressing symptom clusters that may become intense or disruptive in the evening, Biral contributes to improved comfort during symptomatic periods. Based on the characteristics of its active components, the preparation is considered relevant for the symptomatic relief of mild mental stress and to **aid sleep.

“The use of Biral may help patients cope more steadily with symptom fluctuations and can contribute to easing the overall symptom load.”

Regulatory References

  1. European Medicines Agency (EMA) Committee on Herbal Medicinal Products (HMPC)

Eligibility and Restrictions for Use

Population Eligibility Rules

The eligibility criteria for using Biral, a fixed herbal extract combination of Valerian and Passion Flower, are strictly defined by regulatory authorities based on established safety data and absolute contraindications.

Contraindications and Absolute Non-Eligibility

Biral is contraindicated and must not be used by patients with a known hypersensitivity or allergy to the active ingredients (Valeriana officinalis or Passiflora incarnata) or to any of the product's excipients. This constitutes an absolute exclusion based on allergic risk, as documented in official labeling.

Age and Physiological Restrictions

The medicine's use is generally established for adults and adolescents aged 12 years and older. Regulatory documents explicitly state that Biral is not recommended for use in children under 12 years of age because safety has not been adequately established in this pediatric population. Similarly, due to the lack of sufficient data to confirm safety, use is not recommended for pregnant women or breastfeeding women.

Restricted and Conditional Use

Use may be restricted or require caution in specific circumstances. Patients concurrently taking other sedatives or central nervous system (CNS) depressants are cautioned due to the documented risk of additive effects. Furthermore, it is officially advised to avoid use in conjunction with alcohol or immediately prior to receiving general anesthesia.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Biral’s officially documented interaction profile is characterized by pharmacodynamic reinforcement, which pertains to the potential for enhanced effects on the central nervous system (CNS). This classification is based on the known sedative properties of its active components, Valerian and Passion Flower extracts, as recognized in regulatory monographs.

Official Interaction Statements

  • Pharmacodynamic Interactions: Co-administration with other medicines classified as CNS depressants may result in an additive sedative effect. This grouping includes medicinal products that are used for sleep, anxiety, or general relaxation.
  • Interaction with Alcohol: The effects of Biral may be increased by alcohol (ethanol). Official regulatory information advises avoiding or limiting alcohol consumption due to the risk of enhanced CNS depression when combined with this product.
  • Other Sedative Products: The potential for additive sedation also extends to co-use with other herbal products or supplements that possess known sedative properties.

Interaction Classification and Restrictions

Interaction Type Primary Regulatory Finding
Pharmacokinetic (CYP/Transporter) Not documented in official finished product labeling.
Formal Contraindications None explicitly listed for the fixed herbal combination product.
Timing Requirements No mandatory separation rules are documented.

This interaction structure reflects regulatory focus on functional consequences rather than changes in drug exposure. The primary official restriction is to use caution due to the risk of additive effects with other substances that induce sedation.

Mechanism of Action

The mechanism of Biral is defined by modulating inhibitory signaling within the Central Nervous System (CNS) through a multi-target approach, resulting in the positive modulation of central neuronal excitability. This mechanism is characterized by modulation of intrinsic inhibitory feedback loops, which differs from direct-acting mechanisms that achieve full suppression.

Enhancing GABA A Receptor Function

The core mechanism involves the positive allosteric modulation (PAM) of the mathbfgamma -Aminobutyric acid (GABA) A receptor, the CNS's main inhibitory target. Valerian constituents, such as valerenic acid, bind to specific beta-subunits on the receptor complex, increasing its sensitivity to the body's naturally released GABA. This action facilitates the influx of chloride ions ( Cl^-), leading to neuronal hyperpolarization. The resulting physiological effect is a dampening of signal transmission in key circuits of the limbic system.

Multi-Modal Neurotransmitter Preservation

The two active ingredients act synergistically by influencing the availability of the GABA neurotransmitter itself. Components from Passion Flower are thought to contribute by inhibiting the enzymatic breakdown (catabolism) and reuptake of GABA. By inhibiting the clearance of GABA, Biral extends the duration of the inhibitory signal. This multi-point action (receptor modulation plus neurotransmitter preservation) contributes to a broader and maintained inhibitory tone, which modulates the physiological state of central nervous system arousal.

Dosage and Administration Information

The administration of Biral follows a standardized protocol focused on the oral route and dose scheduling tied to the time of day.

Administration Guidelines and Dosage

Biral, which may be available as tablets, capsules, or solutions, is designated for oral administration. The solid forms are to be swallowed whole with liquid, and chewing is not permitted. The dosing is structured according to the intended use:

Intended Use Dosing Frequency Timing Constraint
Mild Mental Stress Single dose (e.g., 400 mg Valerian equivalent) up to three times daily. No specific time of day is mandated, but the maximum daily dose should not be exceeded.
To Aid Sleep A single dose. Taken 30 minutes to one hour before bedtime.

Course Duration and Population Rules

The preparation is not intended for acute intervention, as the efficacy requires time. To achieve the optimal effect, a period of two to four weeks of continuous use is generally utilized. If symptoms persist or worsen after this initial two-week period, professional consultation is advised.

Usage is generally restricted to adolescents and adults aged 12 years and older. There are typically no specific dosage adjustments specified for older adults, who follow the standard adult regimen. Regarding missed doses, the general procedure involves continuing with the next scheduled dose and not attempting to compensate for a missed dose.

Recent Clinical Evidence

Research evidence / Overview of Studies for Biral

The research evidence for Biral, a fixed herbal combination, is based on scientific reviews and clinical trials that explore how its components are used traditionally for mild stress and difficulty sleeping. Scientific reviews often group and analyze data from studies focusing on the individual herbal components.

Evidence Supporting the Relief of Mild Nervous Restlessness and Stress

Research has examined the effects of Valerian and Passion Flower preparations, in short-term studies, including Randomized Controlled Trials (RCTs) comparing them to a placebo. The outcomes studied frequently included patient-reported outcomes describing perceived discomfort, such as scores on standardized scales that monitor physiological strain or stress and subjective feelings of anxiety. Findings describe patterns observed in the studies where some trials reported a measured change in anxiety or tension levels when using the extract, while other trials observed no difference compared to placebo. Regulatory bodies conclude that the product's use for mild nervous tension is supported by its long-standing traditional use, even when the scientific evidence from modern trials can be mixed or inconclusive. What remains uncertain is the consistency of these findings across all different commercial preparations, as evidence quality varies across studies.

Studies Evaluating Support for Mild Sleep Disturbances

Research has primarily focused on episodes where symptoms become more noticeable, studying adults who experience mild, non-chronic sleep issues. The studies explored both subjective sleep parameters, like self-reported sleep latency (the time taken to fall asleep) and the overall feeling of sleep quality, as well as objective sleep measures using specialized monitoring equipment (PSG). Findings indicate that participants in many studies reported how symptoms evolved in the observed populations, specifically noting improvements in their self-assessed sleep quality. However, when researchers monitored objective sleep metrics, findings were mixed, and the objective data did not always show patterns related to the subjective reports of improvement. Evidence is limited when attempting to draw a single, cohesive conclusion across all studies, emphasizing that more rigorous, large-scale studies are needed to fully characterize the product's effects and establish greater certainty.

Key Studies & References

  1. European Union herbal monograph on Valeriana officinalis L., radix (Valerian root)
  2. Valerian for sleep: a systematic review and meta-analysis (Supports subjective improvement findings and evidence for publication bias)

Frequently Asked Questions (FAQ)

Common questions about Biral (FAQ)

Q: What is Biral used for?

Biral is indicated for the management of certain chronic conditions, as described in the official product labeling. Its use should be determined by a healthcare provider.

Q: How should I take Biral?

Biral should be taken exactly as prescribed by your healthcare provider. The official product label provides specific administration instructions. You should not change your dose or schedule without consulting your doctor.

Q: What are the possible side effects of Biral?

As with all medications, Biral may be associated with side effects. The product information lists common, less common, and serious potential side effects. You should discuss the full range of potential side effects with your healthcare provider.

Q: Can Biral interact with other medications?

Yes, Biral has the potential to interact with certain other medications, supplements, or herbal products. It is important to inform your healthcare provider of all current medications you are taking so they can assess potential risks.

How should Biral be stored and disposed of?

The official regulatory documents define mandatory conditions for storing and disposing of Biral (Valerian and Passion Flower extracts) to maintain its labeled quality and ensure safety.

Storage Requirements

Condition Requirement
Temperature Do not store above 25 C
Protection Store in a dry place, protected from direct sunlight
Packaging Keep in the original package
Child Safety Store out of the sight and reach of children

Disposal Instructions

Do not dispose of this medicine in household garbage or by pouring it down the drain. All unused or expired product must be returned to a pharmacy for proper, safe pharmaceutical waste disposal. The product must be used by the expiration date printed on the carton.

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

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