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Placinoral

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Placinoral

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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.

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Overview of Placinoral

Placinoral is a prescription-only medicinal preparation whose single active substance is Lorazepam, a compound primarily used for its calming and stabilizing effects on the central nervous system. It is fundamentally classified as a benzodiazepine derivative, a high-level drug class known to exert powerful CNS depressant actions. The medicine is a synthetic compound, manufactured through controlled chemical synthesis, which ensures consistent potency supported by pharmacological studies.

Property Description
Active ingredient Lorazepam
Form Tablets; Sterile Solution for Injection
Pharmacological Class Benzodiazepine; CNS Depressant
General Purpose Tranquilizing and Sedative Action
Origin Synthetic Compound

The Pharmaceutical Identity of Placinoral: Benzodiazepine Classification

The core identity of Placinoral stems from its active ingredient, Lorazepam, which defines its pharmacological class as a benzodiazepine, designated by the Anatomical Therapeutic Chemical (ATC) code N05BA06. This compound is classified based on its action on the central nervous system, indicating that the substance works by enhancing the brain's natural inhibitory mechanisms. Lorazepam is clinically recognized for its relatively intermediate half-life among benzodiazepines, making it a frequently selected agent for short-term management where consistent anxiolytic or sedative action is required.

Composition and Available Dosage Forms

The medication's composition is based on Lorazepam, a nearly white powder with the molecular formula C15H10Cl2N2O2. Placinoral is supplied in multiple high-level dosage forms, including standard oral solid forms such as tablets, for ingestion by mouth. A significant differentiating factor for Lorazepam is the availability of a sterile solution suitable for parenteral delivery, specifically intravenous or intramuscular injection. This injectable format allows the drug to be used in acute clinical settings, offering rapid onset of action not possible with oral forms.

The Fundamental Tranquilizing Purpose

The general purpose of Placinoral is to produce a potent tranquilizing action designed to reduce excessive nervous activity and physical tension. This effect is achieved because the medicine acts as a positive allosteric modulator of the GABAA receptor, thereby amplifying the inhibitory neurotransmitter GABA. This mechanism is the foundation for the medicine's overall sedative-hypnotic and anxiolytic (anxiety-reducing) effect, which is typically utilized for conditions characterized by intense psychological distress or high muscle tension.

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What side effects are possible with Placinoral?

Placinoral is officially documented to have a safety profile largely characterized by the effects of its active ingredient, Lorazepam, on the central nervous system. Regulatory authorities classify adverse reactions primarily by frequency and the body system affected.

Frequency-Classified Adverse Reactions

The most frequent adverse reactions listed in official prescribing information are linked to CNS depression, which may be more noticeable during the initial phase of treatment.

Frequency Category Adverse Reaction Examples
Very Common Sedation, Drowsiness
Common Ataxia (coordination impairment), Confusion, Dizziness, Fatigue, Muscle weakness, Headache
Uncommon Nausea, Changes in libido, Skin reactions

System-Organ Class Groupings

Adverse effects are formally categorized, including Nervous system disorders (e.g., sedation, dizziness) and Psychiatric disorders (e.g., confusion, paradoxical reactions). Less frequent effects are documented within the Gastrointestinal and Immune system classes.

Serious Safety Considerations

The most serious risks documented in regulatory labeling include the potential for Respiratory Depression, particularly when used with other CNS depressants. Official documents also highlight the risk of developing physical and psychological dependence and addiction, with abrupt cessation possibly leading to a severe withdrawal syndrome.

Population-Specific Notes and Restrictions

Official safety information states that Older Adults may be more susceptible to the sedative effects, increasing the potential for confusion and falls. The medicine is formally contraindicated in conditions such as acute narrow-angle glaucoma and situations involving severe respiratory insufficiency. The risk of tolerance and dependence is noted to increase with long-term or chronic use.

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Overdose and Emergency Response

Overdose and when to seek help

Overdose of Placinoral (Lorazepam) is officially defined by an intensification of its CNS depressant effects, as documented in regulatory prescribing information. Documented presentations progress from drowsiness and disorientation to profound sedation, unresponsiveness, and ultimately coma.

The most severe, life-threatening outcomes cited in regulatory sources include respiratory depression (severely slowed breathing) and hypotension (low blood pressure), which can lead to death. This risk is significantly increased when Placinoral is taken concomitantly with opioids or other CNS depressants.

When to Seek Help: Immediate medical attention is required for any sign of severe intoxication. Regulatory guidance mandates that users must seek immediate medical care at the nearest hospital or call emergency services if the individual experiences difficulty breathing, collapses, or cannot be awakened from a state of profound sedation.

Management and Antidote: The official management strategy involves close observation and supportive care. Flumazenil is cited in labeling as the specific benzodiazepine antagonist. However, the regulatory warning explicitly notes that its use may precipitate acute withdrawal reactions, including life-threatening seizures. Furthermore, specific considerations require monitoring for neonatal sedation and withdrawal syndrome in infants exposed late in pregnancy.

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Therapeutic Uses of Placinoral

What Placinoral Treats: Main Uses and Benefits

Placinoral (Lorazepam) is relevant in contexts involving distressing symptoms that require short-term symptomatic assistance across key therapeutic domains. The medication is commonly used to provide symptomatic relief for severe, pronounced manifestations of anxiety disorders, where it helps address symptom clusters that may become intense or disruptive.

It is applied across a range of conditions, including the short-term relief of significant anxiety and worry, symptomatic assistance during acute continuous seizure activity (Status Epilepticus), stabilization during severe alcohol withdrawal syndrome, and as a pre-medication for procedural comfort and sedation. The spectrum of use supports the patient during episodes of heightened discomfort.

“The core purpose is to provide symptomatic relief for conditions marked by increased psychological or physiological stress.”

Easing Tension and Supporting Stability

Placinoral is applied in clinical settings that involve acute or unstable symptom patterns, supporting a sense of stability when symptoms are more noticeable. It is commonly used when short-term symptomatic assistance is needed in critical episodes, assisting with symptomatic stability and contributing to improved comfort during periods of heightened symptoms.


Quick Fact: Relief for Acute Anxiety Symptoms Placinoral is relevant when supportive symptom management is appropriate for conditions characterized by periods of heightened symptoms, especially those causing intense worry and physical tension.

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Eligibility and Restrictions for Use

Placinoral (Lorazepam) is generally indicated for the short-term relief of anxiety symptoms and the treatment of certain types of insomnia related to anxiety. It is also used in hospital settings for pre-anesthesia sedation and to treat severe agitation, alcohol withdrawal, and status epilepticus (prolonged seizures).

However, Placinoral is contraindicated and should not be used by individuals with specific medical conditions or characteristics. Use of this medication requires careful consideration by a healthcare professional.

Who Can Use Placinoral? Who Cannot Use Placinoral? (Contraindications)
Adults with anxiety disorders or anxiety-related insomnia. Individuals with known hypersensitivity or allergy to benzodiazepines or any component of the formulation.
Patients requiring pre-procedural sedation. Patients with acute narrow-angle glaucoma.
Patients with specific seizure disorders or severe agitation. Patients with severe respiratory insufficiency, such as severe Chronic Obstructive Pulmonary Disease (COPD) or sleep apnea.
Elderly patients, with caution and dose adjustment. Patients with myasthenia gravis (a muscle weakness disorder).
Pregnant women, as use during pregnancy may pose risks to the fetus.
Children under the age of 12 (safety and efficacy are not generally established).

It is crucial to inform your doctor about all existing medical conditions, especially liver or kidney disease, a history of drug or alcohol abuse, and depression or other mental illnesses, as these may require dose adjustments or change the course of treatment.

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What should I know about interactions with other medicines?

The interaction profile of Placinoral (Lorazepam) is defined by two primary documented mechanisms: pharmacodynamic reinforcement and altered metabolic clearance. The most significant concern is the co-administration of Placinoral with other central nervous system (CNS) depressants.

The label carries a major regulatory warning regarding the use of Placinoral alongside Opioids. This combination is documented to produce severe additive CNS depressant effects, resulting in a risk of profound sedation, serious respiratory depression, coma, and death. Other drug categories, including antipsychotics, barbiturates, antidepressants, and anesthetics, also lead to increased CNS depressant effects. The specific combination with Clozapine is noted to carry unique adverse risks, including marked sedation and respiratory arrest. For the same reason of heightened CNS depression, co-administration with alcohol is formally restricted and must be avoided.

A pharmacokinetic interaction is documented with both Valproate and Probenecid. These medicines inhibit the glucuronidation pathway, causing increased plasma concentrations and reduced total clearance of Lorazepam. This necessitates a formal regulatory restriction: the Placinoral dose must be reduced to approximately 50% when either Valproate or Probenecid is co-administered. Furthermore, regulatory documents contain a specific note that elderly or debilitated patients are more susceptible to the sedative effects arising from these co-administrations. Patients are also formally advised to disclose the use of all Herbal Supplements to their healthcare provider.

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Mechanism of Action

Placinoral is a small molecule that selectively targets and binds with high affinity to the A1 receptor expressed on osteoclast precursors. This molecular interaction establishes Placinoral as an A1 receptor antagonist, inhibiting the constitutive activity of the receptor. The antagonism decreases the signal transduction cascade initiated by the A1 receptor, leading to the suppression of downstream transcriptional factors crucial for osteoclast differentiation and maturation. Concurrently, Placinoral also influences signaling via the Wnt/beta -catenin pathway. This dual modulation of the A1 and Wnt/beta -catenin pathways shifts the ratio of cellular activity in the bone microenvironment, decreasing the overall activity of bone resorption pathways. This physiological consequence results from the combined effect of reduced osteoclast function and sustained osteoblast function, ultimately modulating the rate of bone remodeling.

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Dosage and Administration Information

How to Use Placinoral

The usage protocol for Placinoral (Lorazepam) is defined by its available forms and intended use context. The approved administration routes include Oral (PO) for routine use and Parenteral (IV/IM) for acute clinical or procedural settings.

Administration and Dosing Regimens

Usage Context Standard Adult Dosing (Label-Based) Frequency Pattern
Oral Anxiety Initial daily dose typically 2 mg to 3 mg, not to exceed 10 mg/day. Divided doses, two to three times per day.
Oral Insomnia Single dose of 2 mg to 4 mg. Once daily, taken at bedtime.
IV Status Epilepticus Initial dose of 4 mg administered slowly (max 2 mg/min). May be repeated once after 10–15 minutes.

Oral tablets may be taken with or without food. The Oral Concentrate Solution and the Sterile Solution for Injection both require immediate dilution with a compatible liquid or diluent, respectively, before administration.

Specific Use Instructions and Duration

Administration for older or debilitated patients requires a lower initial dosage, typically 1 mg to 2 mg per day in divided doses, with the initial total daily dose restricted to a maximum of 2 mg. The general duration of continuous daily use is restricted to short-term courses, often two to four weeks. Upon cessation of use, a gradual dose taper is required to avoid abrupt discontinuation. Extended-release capsules must be swallowed whole and must not be crushed, opened, or chewed to maintain their controlled release.

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Recent Clinical Evidence

Research evidence / Overview of studies for Placinoral


Evidence for Use in Short-Term Anxiety Relief

Research has primarily focused on studying Placinoral in short-term Randomized Controlled Trials (RCTs). These trials were used in research exploring how symptoms change over time in adults experiencing anxiety. Researchers used specific, standardized rating scales to measure patient-reported outcomes describing perceived discomfort and changes in anxiety symptom severity.

The studies describe patterns related to how symptoms changed in the observed populations during the short duration of the trials. These findings describe patterns observed in the treated groups where changes were measured in anxiety symptom scale scores. Research into the long-term use for short-term anxiety relief indicates that observed outcomes have not been systematically established in clinical trials beyond four months. Therefore, there is limited information for long-term outcomes.


Evidence for Use in Acute Continuous Seizure Activity

Placinoral was studied in major multi-center Controlled Trials and Randomized Comparative Trials for use during episodes of acute continuous seizure activity (Status Epilepticus). The research examined outcomes describing episodic or acute changes, primarily focusing on changes in acute seizure activity within a short time frame, usually measured in minutes.

Comparative studies examined patterns related to the use of Placinoral against other compounds in this acute condition. These findings describe patterns observed in the specific conditions under which they were conducted. A key point is that the research has historically focused on adults. The outcomes and safety for the treatment of acute continuous seizure activity were not fully established in pediatric patients in some regulatory jurisdictions, meaning data for certain groups remain insufficient.


What is Still Uncertain About Placinoral Research

Across the evidence landscape, a consistent limitation is the focus on short-term outcomes. Long-term effects are not fully established for most indications, meaning the evidence contributes to understanding acute and short-term symptom patterns but does not provide individual predictions about extended use. Functional recovery data following its use for sedation is limited, meaning research is ongoing to provide clearer insight into the safe return to complex daily activities.

Key Studies & References

  1. Lorazepam - StatPearls (NCBI Bookshelf)
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How should Placinoral be stored and disposed of?

Storage and Disposal of Placinoral

Official regulatory guidelines dictate different storage requirements based on the drug's form to ensure stability.

Storage Conditions

Dosage Form Required Storage Conditions
Oral Tablets Store at room temperature, protected from heat, moisture, and freezing. Keep in a closed container or the original packaging.
Sterile Injection Requires refrigerated storage (2 C to 8 C) and must be kept in its outer carton to protect it from light. Inspect the solution before use for discoloration.

All forms of Placinoral must be stored out of the sight and reach of children.

Disposal Instructions

Any unused or expired product must be disposed of according to local requirements. It should not be thrown into household garbage or allowed to reach the sewage system or any water course to prevent environmental release.

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

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