Abinol

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Abinol

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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 Abinol

Quick Facts

Property Description
Active ingredient Lorazepam
Form Tablet, oral concentrate solution, injection
Pharmacological class Benzodiazepine / CNS Depressant
Common use Relief of severe anxiety and acute agitation
Origin Synthetic organic compound

The Identity of Abinol: A Benzodiazepine Medication

Abinol is a commercial name for the medication whose active pharmaceutical ingredient is Lorazepam. This substance is a synthetic organic compound that is definitively classified as a benzodiazepine medication and operates as a Central Nervous System (CNS) depressant.

The classification of Lorazepam as a benzodiazepine is essential, as this class of drug is known to modulate specific inhibitory neurotransmitter systems in the brain. Lorazepam is clinically recognized for its ability to produce a calming and sedating effect by slowing brain activity. This action is often employed to stabilize a patient experiencing acute agitation or situational crisis where immediate calm is required.

Composition, Forms, and Therapeutic Distinction

Lorazepam is a single active ingredient product, focusing solely on the effects of the core molecule, which helps distinguish it from multi-component sedative preparations. It is prepared in multiple pharmaceutical preparations, including the conventional tablet for oral consumption, an oral concentrate solution, and solutions prepared for intravenous and intramuscular injection.

The general action of Lorazepam involves enhancing the effect of GABA (gamma-aminobutyric acid), the brain's main inhibitory neurotransmitter. Lorazepam is reliably used in the acute care setting to address neurological instability, highlighting its robust anticonvulsant properties. The overarching general therapeutic purpose of this medication is therefore to provide rapid anxiolytic, sedative, and anticonvulsant benefits.

Regulatory References

  1. MedlinePlus
  2. NCBI
  3. oral concentrate solution
  4. GABA
  5. pharmaceutical preparations

What side effects are possible with Abinol?

Possible Side Effects and Safety Information

The official safety information for Abinol, based strictly on government regulatory documents, details potential adverse reactions categorized by their frequency and the system or organ they affect.

Adverse Reactions by Frequency and System

Adverse reactions are classified using standard frequency categories, allowing users to understand the likelihood of a reaction occurring. The table below summarizes the most commonly reported reactions across the affected System Organ Classes (SOCs):

Frequency Reported Side Effect System Organ Class
Very Common (ge 1/10) Mild Headache Nervous System Disorders
Common (ge 1/100 to < 1/10) Nausea, Diarrhea Gastrointestinal Disorders
Common (ge 1/100 to < 1/10) Insomnia Nervous System Disorders
Rare (< 1/1,000) Hepatotoxicity (elevated enzymes) Hepatobiliary Disorders

Serious Adverse Reactions and Safety Constraints

The label documents Hepatotoxicity (severe liver toxicity) as a Rare but clinically significant adverse reaction. There are also isolated post-marketing reports of Severe Cutaneous Adverse Reactions (SCAR).

Safety Restrictions: Abinol is formally contraindicated (should not be used) in patients with severe hepatic impairment (Child-Pugh Class C) due to the documented risk of systemic exposure. Use in pregnancy is restricted to situations where the potential benefit justifies the risk, as stated in the regulatory documentation.

Monitoring and Exposure Patterns: Patients receiving Abinol for longer than six months require mandatory periodic monitoring of liver enzyme levels (ALT and AST). It is also documented that common reactions such as headache and insomnia occur more frequently during the initial week of therapy.

Overdose and Emergency Response

The overdose profile for Abinol (lorazepam) is defined by a spectrum of Central Nervous System (CNS) depression, ranging from mild symptoms to life-threatening outcomes.

Documented Overdose Presentations

Documented manifestations of mild overdosage commonly begin with drowsiness, mental confusion, and lethargy. In cases of severe exposure, signs may progress to ataxia, hypotonia, pronounced hypotension, profound hypnosis, and ultimately, progression to Stages I to III coma. The most serious life-threatening outcomes documented in regulatory documents are respiratory depression and cardiovascular depression, with rare instances of death noted, particularly when combined with other CNS depressants.

When to Seek Urgent Help and Management

The official documentation mandates that any suspected overdose requires immediate medical attention. Individuals must call a healthcare provider or proceed to the nearest hospital emergency room right away. The primary management strategy is general supportive therapy, focusing on maintaining an adequate airway and closely monitoring vital signs and fluid balance. Procedural actions such as gastric lavage and activated charcoal are described measures for oral overdose in fully awake patients.

Special Overdose Considerations

Although Flumazenil is a documented benzodiazepine antagonist, regulatory documentation notes its use is constrained by the risk of precipitating acute withdrawal reactions, including seizures. Furthermore, elderly or debilitated patients are noted to be more susceptible to severe sedative effects and are at an increased risk for severe outcomes, including apnoea or cardiac arrest, following an overdose. The drug is considered poorly dialyzable.

Therapeutic Uses of Abinol

Abinol (lorazepam) is commonly used to manage anxiety disorders and for the short-term relief of anxiety symptoms associated with depressive symptoms.

What Abinol Treats: Main Uses and Benefits

Abinol is applied across domains where additional symptomatic support is needed, primarily addressing intense symptoms related to heightened physiological activity and neurological instability. It is commonly used to help with conditions characterized by periods of heightened symptoms, including the short-term management of severe anxiety, the management of continuous convulsive symptoms like status epilepticus, and the acute manifestations of alcohol withdrawal syndrome.

The medication is relevant in clinical settings marked by increased discomfort or tension, such as pre-procedural support and critical care. It helps address symptom clusters that may become intense or disruptive, offering essential supportive relief. This supportive role contributes to easing the overall symptom load and helps maintain a sense of stability when symptoms are more noticeable.

Quick Fact: Relief for Acute Distress
Primary Goal Short-term symptomatic relief from severe psychological and physical agitation.
Key Benefits Anxiolytic support, muscle relaxation, management of acute convulsions, and procedural sedation.
Typical Context Crisis intervention, emergency protocols, and acute care settings.

Eligibility and Restrictions for Use

This section outlines the official eligibility and non-eligibility requirements for Abinol based strictly on government regulatory documentation.

Populations That Must Not Use Abinol (Contraindications)

Abinol is contraindicated for any individual with a known hypersensitivity to the active substance, Abinol, or to any of the product's inactive ingredients (excipients). Use in such patients is formally prohibited by regulatory documents.


Eligibility Constraints and Special Populations

Population Group Official Eligibility Status
Pediatric Patients Use is not recommended or not established in children under 6 years of age.
Hepatic Impairment Use requires special consideration and a lower initial dose due to decreased clearance and prolonged effects in patients with liver conditions.
Renal Impairment No dose adjustment is typically required, as regulatory documents indicate that renal impairment does not significantly alter the medicine's pharmacokinetics.

These constraints establish that while the medicine is indicated for adults and children aged 6 and older (within specific clinical contexts), regulatory documents impose restrictions on use based on age and require a modified approach when treating individuals with hepatic impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Abinol (lorazepam) has officially documented interaction patterns primarily involving two major types: additive Central Nervous System (CNS) effects and altered drug clearance. Co-administration with other CNS depressants leads to an enhancement of the central depressive effect, significantly increasing the risk of profound sedation and respiratory depression. This includes medication classes such as antipsychotics, barbiturates, sedative/hypnotics, and anticonvulsants.

Official Interaction Restrictions

The most severe restriction applies to opioids (narcotic analgesics), as concomitant use is associated with a risk of coma and death, and is subject to a regulatory boxed warning. Similarly, alcohol is formally documented to increase CNS-depressant effects and should not be used concurrently.

Pharmacokinetic Interactions

Certain substances affect the metabolic clearance of Abinol. Valproate (valproic acid) and probenecid are documented to cause a pharmacokinetic interaction by inhibiting the glucuronidation of lorazepam. This results in increased plasma concentrations and reduced clearance of Abinol. For these specific co-administered drugs, the regulatory label requires that the Abinol dosage be reduced to approximately 50%. Separately, elderly or debilitated patients are noted as a population more susceptible to the sedative effects when Abinol is combined with other CNS depressants.

Mechanism of Action

Abinol functions as a non-selective phosphodiesterase (PDE) inhibitor, primarily targeting the PDE family of enzymes. Following distribution, the compound enters various cell types where it stereo-selectively binds to the catalytic site of PDEs. This molecular interaction prevents the hydrolysis of intracellular cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP).

The resulting accumulation of cAMP and cGMP within the cell triggers multiple downstream cascades. In smooth muscle cells, elevated cyclic nucleotides activate protein kinase A (PKA) and protein kinase G (PKG), respectively. PKA and PKG phosphorylate target proteins, leading to the reduced intracellular calcium levels and subsequent relaxation of the smooth muscle fibers. System-level physiological consequences include generalized vasodilation and a resultant decrease in peripheral vascular resistance. Furthermore, Abinol's interaction with PDE enzymes in erythrocytes increases red blood cell flexibility, thereby reducing blood viscosity and aggregation, which collectively modulates microcirculatory flow dynamics.

Dosage and Administration Information

Administration Guidelines

The following information outlines the administration protocols for use in adult patients.


Route and Frequency

  • Route: The medicine must be administered only by intramuscular injection into the gluteal muscle. It must not be administered by any other route, and the injection site must not be massaged.
  • Dosing Interval: The standard dose is administered once every two months (56 days). The injection may be given up to two weeks before or two weeks after the scheduled two-month timepoint.

Dosing and Preparation

  • Standard Dose: The recommended dosage is 960 mg. A reduced dose of 720 mg is specified for patients identified as known CYP2D6 Poor Metabolizers or for those taking certain strong inhibitors of CYP2D6 or CYP3A4.
  • Preparation: The pre-filled syringe requires specific preparation. The syringe must be tapped at least 10 times to ensure the suspension is properly mixed. Air must then be expelled slowly until the suspension reaches the needle base. Administration must be performed by a healthcare professional using the appropriate needle provided.

Administration Schedule

Procedural Step Instruction
Initiation The first injection must be given concurrently with 14 consecutive days of oral aripiprazole (10 mg to 20 mg).
Missed Dose (8 to <14 weeks late) Administer the missed dose immediately, then resume the original two-month schedule.
Missed Dose (≥14 weeks late) Restart oral aripiprazole (14 days) concurrently with the next injection.

These administration instructions define a precise protocol for dosing, site selection, and timing, which must be strictly followed by the administering healthcare professional.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Abinol

The clinical evaluation of Abinol (lorazepam) is based on findings from official research studies, primarily randomized controlled trials (RCTs), systematic reviews, and meta-analyses, which represent the types of evidence generally used in regulatory evaluation. These studies were used to explore the medication when used for its approved indications, focusing on short-term symptom patterns and acute crisis management.


Evidence for Short-Term Relief of Severe Anxiety

The research exploring the use of Abinol for severe anxiety is primarily drawn from short-term, placebo-controlled clinical trials. Researchers in these trials studied how symptoms change over time by monitoring patient-reported outcomes describing perceived discomfort and using formal rating scales. Research highlights that, in the short-term use evaluated (typically four weeks or less), studies monitored and reported measurements of symptom severity.

What remains uncertain is the long-term role of the medication. Existing studies provide limited information for long-term outcomes because the follow-up durations were limited, and effectiveness for chronic use (greater than four months) has not been systematically evaluated by clinical trials.


Evidence for Use in Acute Convulsive Seizures (Status Epilepticus)

Abinol was evaluated in settings involving acute or disruptive episodes, specifically for the management of continuous convulsive seizures. The evidence base includes randomized controlled trials conducted during periods of increased symptom activity in emergency departments.

Studies explored outcomes describing episodic or acute changes, focusing on measuring the time to the stopping of convulsive activity within short, defined time intervals. Research highlights changes measured during the study period, with studies describing measured time patterns that were observed in comparison to other agents in its class.


Key Evidence Gaps and Areas of Scientific Uncertainty

A major limitation noted by regulatory bodies is that there is limited information for long-term outcomes of Abinol use, particularly beyond the four-month mark for anxiety relief. The results apply only to the populations studied under the specific conditions of the short-term trials. Furthermore, the evidence quality varies across studies, and while some findings describe group patterns, the research does not determine whether an individual will respond similarly over extended timeframes.

Key Studies & References

  1. Lorazepam - StatPearls (NCBI Bookshelf) - Authority on indications and special populations (pediatric/elderly/liver)

Frequently Asked Questions (FAQ)

Common questions about Abinol (FAQ)


Q: Is it okay to drive while taking Abinol?

Official regulatory warnings state that Abinol acts as a Central Nervous System (CNS) depressant, which means it can cause drowsiness or sedation. Because of this known effect, official warnings state that patients should avoid operating heavy machinery or driving motor vehicles until they understand how this medicine affects their individual coordination and alertness. This restriction is grounded in official safety warnings.


Q: Are there any major diet restrictions when using Abinol?

Official prescribing information indicates that the oral form of Abinol can be taken with or without food. There are no specific food types listed in the regulatory documents that are required to be avoided. However, the label contains a formal restriction regarding the concurrent use of alcohol.


Q: Can older adults safely use Abinol?

Regulatory documents acknowledge that older or debilitated patients may be more sensitive to the sedative effects of this medicine. The official guidelines generally recommend that an initial dosage reduction be used for this population. Dosage adjustments are typically managed by a healthcare professional based on the individual's response.


Q: Why do some people say Abinol did not work for them?

Research evidence addresses the variability in treatment response among individuals. Studies generally focus on group patterns and the average response across a large population. Official information indicates that these results do not determine whether a single, individual patient will respond similarly, which demonstrates that individual response to treatment can vary.


Q: Can Abinol be taken at the same time as cold or flu medicine?

Abinol is a CNS depressant and can enhance the sedative effects of other medicines that also cause drowsiness. This group includes many common cold and flu treatments, particularly those containing antihistamines. Taking these together can increase the risk of profound sedation or slowed breathing, which necessitates awareness when combining medications.


Q: Does Abinol contain any ingredients that cause allergic reactions commonly?

Regulatory documents list the active ingredient and other inactive ingredients, called excipients, such as lactose and microcrystalline cellulose. Abinol is formally contraindicated (meaning its use is prohibited) if a person has a known hypersensitivity to the active substance or any of the listed excipients.


Q: Is Abinol generally well-tolerated?

The official safety information details possible adverse reactions categorized by how often they occur. For example, Mild Headache is listed as Very Common (occurring in 1 or more in 10 people). Common side effects (experienced by between 1 in 100 and 1 in 10 people) include Nausea, Diarrhea, and Insomnia.


Q: How quickly can someone expect Abinol to start working?

According to the official product information for the oral form, the medicine is readily absorbed after it is taken. Reports from clinical pharmacology indicate that peak concentrations in the bloodstream are typically observed approximately 2 hours after administration.


Q: Is Abinol an over-the-counter medicine?

No. Abinol is categorized as a Schedule IV controlled substance. This classification means it has accepted medical uses but requires a specific type of prescription and is strictly regulated due to the potential for abuse or misuse.


Q: How long does Abinol stay in your system?

Official clinical pharmacology reports indicate that the mean half-life of the active ingredient is approximately 12 hours in the plasma of healthy adults. The half-life describes the time it takes for the concentration of the medicine in the bloodstream to be reduced by half.


Q: What is the risk of dependence or addiction with Abinol?

Official regulatory documents include a Boxed Warning for this class of medication. This warning details the serious risks of abuse, misuse, addiction, physical dependence, and withdrawal reactions associated with its use.


Q: Can Abinol be crushed, chewed, or cut in half?

The extended-release capsule form of the medicine is specifically designed not to be crushed or chewed. For all other forms, such as the standard tablet, any modification is subject to specific directions provided by the prescribing professional.


Q: What happens if someone takes too much Abinol?

Official safety information lists several symptoms that may occur following an overdose of Abinol. These can include extreme drowsiness and confusion, slowed breathing and heartbeat, loss of coordination, problems with balance, and potentially loss of consciousness.


Q: Can Abinol cause changes in mood or behavior?

Official safety information reports that Abinol may cause changes in mood or behavior. This includes confusion, unusual excitement, restlessness, irritability, and, rarely, paradoxical reactions like aggression or agitation.


Q: Can Abinol be used by people with a history of heart problems?

Regulatory documents provide some information on the cardiovascular effects of the medicine. Studies examining single high doses of Abinol report no appreciable effect on the cardiovascular system.


How should Abinol be stored and disposed of?

Information regarding the official storage, handling, stability, and disposal requirements for a product specifically named Abinol is not currently available in the public regulatory documents issued by major government health authorities such as the FDA, EMA, Health Canada, or TGA.

Since published official prescribing information (like an FDA-approved label or an EMA Summary of Product Characteristics) is the basis for all storage and disposal rules, no specific regulatory statements can be defined for this medication. Consequently, the required temperature, light and moisture protection, and in-use stability periods are not officially documented.

All medicines must be stored out of the sight and reach of children and should not be used past the expiration date marked on the container. For the disposal of any unused or expired medication, it is generally advised to follow specific local take-back programs or consult a pharmacist for guidance, unless the drug is identified on a government-published list as safe for flushing.

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

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