Assival

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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 Assival

What is Assival?

Assival is a medication belonging to the benzodiazepine class of drugs. It contains the active substance diazepam and is primarily used for its effects on the central nervous system. The medication works by enhancing the activity of certain neurotransmitters in the brain, which helps to produce a calming effect on the body.

Primary Uses

Assival is commonly used to manage various conditions related to the nervous system. These include:

  • Anxiety Disorders: Treatment of short-term symptoms of severe anxiety or agitation.
  • Muscle Spasms: Relief of skeletal muscle spasms caused by neurological disorders or local trauma.
  • Alcohol Withdrawal: Management of symptoms such as acute agitation or tremors associated with alcohol withdrawal.
  • Seizure Disorders: Used as an adjunctive treatment for certain types of seizure activity.

Mechanism of Action

The active ingredient, diazepam, acts on specific receptors in the brain known as GABA-A receptors. By binding to these receptors, the medication increases the inhibitory effects of gamma-aminobutyric acid (GABA), a chemical messenger that reduces the activity of neurons. This process helps to decrease excessive brain activity, leading to muscle relaxation, reduced anxiety, and a sedative effect.

Characterization

As a benzodiazepine, Assival is characterized by its relatively fast onset of action and its ability to remain in the system for an extended period. Because of its pharmacological profile, it is typically utilized for the management of acute symptoms rather than long-term therapy. The medication is available in various forms, including oral tablets, to suit different clinical needs.

Regulatory References

  1. Diazepam: MedlinePlus Drug Information
  2. Diazepam - StatPearls

What side effects are possible with Assival?

Possible side effects and safety information

Assival (Lorazepam) has an officially documented safety profile based on government regulatory labeling, detailing known adverse reactions and restrictions for safe use.

Frequency-Classified Adverse Reactions

The most frequent side effects relate primarily to the central nervous system (CNS):

Classification Examples of Adverse Reactions
Very Common (ge 1/10) Sedation, Somnolence (drowsiness)
Common (ge 1/100 to < 1/10) Fatigue, Asthenia (weakness), Muscle weakness, Ataxia (impaired coordination), Dizziness

Other adverse reactions occur across several System-Organ Classes, including Psychiatric Disorders (e.g., depression), Gastrointestinal Disorders (e.g., nausea), and Immune System Disorders (e.g., allergic skin reactions).

Serious Adverse Reactions and Safety Warnings

Clinically significant and serious reactions documented in regulatory sources include Respiratory Depression, which can be profound, and the risk of developing Physical and Psychological Dependence with prolonged use or high doses. Abrupt discontinuation can lead to severe Withdrawal Symptoms (e.g., seizures, tremor). Paradoxical Reactions, such as aggression or agitation, are also documented.

Safety-Related Restrictions and Considerations

  • Contraindications: Use is restricted in patients with severe respiratory insufficiency, acute narrow-angle glaucoma, and myasthenia gravis.
  • Drug Interactions: Concomitant use with opioids carries a significant risk of profound sedation, respiratory depression, coma, and death. Patients are formally warned against operating hazardous machinery or driving due to potential impairment.
  • Population Specificity: Lower doses are required for elderly patients and those with hepatic or renal impairment due to increased susceptibility to adverse effects like falls and CNS depression.

Overdose and Emergency Response

Overdose and when to seek help

Overdose involving Assival (Diazepam) is characterized by a continuum of Central Nervous System (CNS) Depression, ranging from mild impairment to life-threatening states. Documented initial manifestations include drowsiness, somnolence, confusion, dizziness, and ataxia (uncoordinated movement), along with general weakness.


Severe Manifestations and Emergency Action

A severe overdose is classified in regulatory documents as potentially life-threatening, leading to profound sedation, respiratory depression, coma, and death, particularly when co-ingested with other CNS depressants. Regulatory guidance states the patient must seek immediate medical attention for a suspected overdose. Urgent medical care or contacting emergency services is explicitly required for symptoms involving trouble breathing or seizures.


Management and Antidote Status

Official management protocols focus on symptomatic and supportive treatment to maintain vital functions. Specific procedures, such as endotracheal intubation and continuous monitoring for respiratory decline, are defined components of the protocol. While Flumazenil, a benzodiazepine antagonist, is available, its use must be managed carefully as regulatory documents note it may precipitate acute withdrawal reactions. Specific considerations are noted for neonates (risk of hypotonia) and the elderly (increased risk of paradoxical reactions).

Therapeutic Uses of Assival

Assival (Diazepam) may be part of symptomatic management across several domains characterized by heightened physiological and emotional tension. It is applied across various clinical contexts where temporary support is appropriate to stabilize disruptive symptoms and supports general comfort during symptomatic periods.

The active ingredient in Assival is associated with symptomatic management in areas such as anxiety disorders, acute alcohol withdrawal, and as supportive care for muscle spasms and convulsive disorders.

What Assival Treats: Main Uses and Benefits

Assival is relevant for use in conditions characterized by periods of heightened symptoms such as certain convulsive disorders and assists with acute repetitive seizures. It is also commonly used to address symptom clusters that may become intense or disruptive, offering symptomatic relief that may assist patients during difficult episodes like severe agitation and tremor associated with acute alcohol withdrawal syndrome. Furthermore, it helps address symptoms that create noticeable physiological strain, providing supportive relief when involuntary muscle contractions interfere with routine activities.

“The primary goal is to provide symptomatic relief that contributes to easing the symptom load during phases of increased distress or discomfort.”

This medication may be part of symptomatic management when symptoms of severe anxiety, muscle spasticity (e.g., in cerebral palsy), or nervous system overactivity require short-term assistance to contribute to easing the overall symptom load.


Quick Fact: Relief for Key Symptom Domains Description
Anxiety & Tension Provides symptomatic relief for severe worry, restlessness, and acute agitation.
Muscle Spasms Applied to ease involuntary muscle stiffness and contractions resulting from various conditions.
Acute Crises Relevant for easing symptoms during episodes of acute alcohol withdrawal and convulsive disorders.

Eligibility and Restrictions for Use

Who Can and Cannot Use Assival?

The population eligibility for Assival (Diazepam) is strictly defined by regulatory documents, outlining both absolute non-eligibility and required use limitations.


Populations for Whom Use is Contraindicated

Assival is formally contraindicated and must not be used by patients with specific pre-existing conditions:

  • Known hypersensitivity to Diazepam or other benzodiazepines.
  • Myasthenia Gravis.
  • Severe Respiratory Insufficiency or Severe Respiratory Failure.
  • Sleep Apnea Syndrome.
  • Severe Hepatic Impairment or Severe Liver Failure.
  • Acute Narrow-Angle Glaucoma (for oral forms).

Age and Physiological Restrictions

Population Group Regulatory Status
Infants (< 6 months) Not Recommended (oral form).
Older Adults (Geriatric) Eligible, but requires lower initial doses and enhanced caution.
Pregnancy/Lactation Not Recommended (risk to fetus/infant; excreted in milk).

Use in patients with mild to moderate hepatic impairment, renal impairment, or chronic respiratory insufficiency requires caution and monitoring. Furthermore, it must not be used as sole therapy in primary depressive disorders or psychosis.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Assival (Diazepam) interactions are officially documented within regulatory sources, primarily structured around the risk of additive Central Nervous System (CNS) depression and changes to its clearance. Co-administration with Opioids and other CNS depressants, including anxiolytics, sedatives, and alcohol (Ethanol), is subject to strong regulatory warnings due to the risk of profound sedation and respiratory depression.

Pharmacokinetic and Exposure Modification

Interactions involving the metabolism of Diazepam through CYP3A4 and CYP2C19 enzymes are clinically significant. Co-administration with CYP enzyme inhibitors (e.g., Fluvoxamine, Omeprazole, Cimetidine) decreases the clearance rate, leading to increased and prolonged exposure. Conversely, strong enzyme inducers (e.g., Rifampin, Phenytoin) significantly increase elimination, resulting in reduced concentrations and diminished effect, with co-use of Rifampin specifically recommended for avoidance.

Other Documented Constraints

The interaction profile notes that Sodium Valproate displaces Diazepam from plasma protein binding sites, resulting in an officially documented increase in the free (active) fraction of the drug. For administration, a moderate fat meal is documented to delay and decrease the absorption of Diazepam. Special caution regarding interactions is required in elderly patients and those with compromised kidney function, and the presence of severe hepatic insufficiency is a contraindication due to accumulation risk.

Mechanism of Action

Pharmacodynamic Mechanism of Assival

The action of Assival is defined by its targeted intervention in the central nervous system's core inhibitory signaling system, producing a cascade of effects that reduce generalized neuronal excitability across the CNS and spinal cord.

Assival exerts its primary mechanistic effect as a Positive Allosteric Modulator at the GABA A receptor, the central biological target responsible for fast inhibitory signaling. This interaction does not activate the receptor directly but potentiates the action of the GABA neurotransmitter, causing the associated chloride ( Cl^-) ion channel to open more frequently, thereby amplifying the CNS's intrinsic inhibitory signal ( GABAergic pathway).

The rapid increase in Cl^- influx drives the receiving neuron into a state of deep hyperpolarization, making the cell less responsive to stimulating inputs. This systemic reduction in excitability is distributed widely, including in the limbic system, leading to a reduction of limbic system reactivity, and in the spinal cord, leading to a reduction of excessive skeletal muscle tone.

The drug's mechanism is fundamentally dependent on the presence and release of endogenous GABA. Prolonged use can lead to adaptive changes in the GABA A receptor structure, altering the receptor's functional sensitivity to the drug's potentiating effect.

Dosage and Administration Information

How Assival is Used

Assival, containing the active ingredient Diazepam, is utilized according to established protocols that define the route, dose, and frequency of administration. The administration framework is flexible, involving both oral routes (tablet, solution) for non-acute scenarios and parenteral routes, including intravenous (IV) and intramuscular (IM) injection, primarily for situations requiring rapid therapeutic action. Additionally, the medicine is available in specialized forms for rapid administration via the rectal or intranasal routes.


Official Dosing and Frequency Patterns

Dosing regimens are established based on the clinical scenario and the specific formulation used. For non-acute conditions, oral dosing typically ranges from 2 mg to 10 mg and is administered in divided doses, 2 to 4 times per day. In acute, urgent care settings, such as the management of status epilepticus, the initial IV dose is 5 mg to 10 mg, which may be repeated at 10 to 15-minute intervals up to a maximum total dose of 30 mg.


Procedural and Population-Specific Instructions

Specific procedural requirements define the administration. Intravenous injection must be slow, adhering to a rate no faster than 5 mg per minute. Furthermore, the IV solution is generally administered without mixing or dilution in the syringe. For vulnerable populations, including the older adults and individuals with hepatic impairment, a lower initial oral dose of 2 mg to 2.5 mg is used.

Standard guidelines impose time constraints; continuous oral treatment is often restricted to the short-term (e.g., 4 weeks) and must be concluded with a gradual dose reduction to discontinue use safely. These instructions define the standardized approach to using the medicine.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Assival

Research has explored the role of Assival (Diazepam) in managing conditions marked by fluctuating or episodic manifestations, where symptoms were observed in study populations. The research relies on authoritative sources, including randomized controlled trials (RCTs) and systematic reviews, which regulators use to understand the medicine's clinical evaluation.


Evidence for Use in Acute Repetitive Seizures

The evidence base for Assival in the context of seizure clusters relies largely on short-term, randomized, double-blind trials, which regulators use to assess evidence. These trials was studied for populations including both adults and pediatric subjects who already experience acute, repetitive seizures. The studies primarily measured time-based outcomes, such as the time elapsed until seizure cessation and the time to recurrence. Studies reported measurements where the time-to-seizure-cessation was observed to be shorter in the intervention groups compared to placebo groups across the short observation window. However, the evidence is highly concentrated on the acute resolution, and follow-up durations are limited to hours or days.


Evidence for Use in Acute Alcohol Withdrawal Syndrome

The evidence supporting the use of this medicine during acute alcohol withdrawal syndrome (AWS) was evaluated in an extensive body of research, including RCTs and meta-analyses. Research explored the outcomes related to systemic or functional imbalance, such as measures of tremor, agitation, and the prevention of severe complications like withdrawal seizures. The data show patterns related to symptomatic control, meaning studies suggest that using this agent may help in managing physical tension. Research is ongoing regarding optimal dosing strategies, as findings were mixed or inconsistent in some trials when comparing fixed-dose schedules to symptom-triggered approaches, meaning certainty remains low regarding consistency.

Key Studies & References

  1. Diazepam: MedlinePlus Drug Information (NIH/NLM Patient Overview)

Frequently Asked Questions (FAQ)

Common questions about Assival (FAQ)


Q: Can individuals with kidney issues use Assival?

According to the official product information, individuals with renal impairment (kidney issues) are generally eligible to use this medication but are advised to use it with caution and require medical monitoring. Regulatory documents indicate that dose adjustment may be required in some cases to manage the body's clearance of the drug.


Q: How quickly does Assival typically start to work?

Regulatory documents indicate that after taking the medicine orally, the average time to reach peak concentration in the bloodstream is typically between 1 and 1.5 hours. Forms administered by injection into a vein (intravenously) are known to have a faster onset of action.


Q: How long do the effects of Assival usually last?

The drug is eliminated from the body in a two-phase process. While the effects related to initial distribution have a relatively short half-life of about one hour, the complete elimination phase is prolonged. The parent drug's half-life can be up to 48 hours, with its active breakdown products (metabolites) having a half-life of up to 100 hours.


Q: What should I know about taking Assival with common vitamins or supplements?

Official drug documents advise informing a healthcare provider of all prescription and nonprescription medications, vitamins, and nutritional supplements being taken. This is important because certain products, including vitamins and supplements, have the potential to interact with the drug and alter its effects or clearance.


Q: What happens if a person misses a dose of Assival?

Official patient information describes taking a missed dose as soon as possible. However, if it is almost time for the next scheduled dose, official guidance indicates that the missed dose is to be skipped, and the regular schedule is to be followed. Regulatory guidelines specify that double or extra doses are not to be taken to make up for a missed one.


Q: Can Assival be taken with blood pressure medication? (Informational only)

Regulatory guidance requires patients to inform their doctor of all prescription and nonprescription medications they are taking, which includes blood pressure treatments. This is because potential drug interactions may require careful monitoring or dose adjustments to ensure safe use.


Q: What kind of research has been done on the long-term use of Assival?

Official labeling states that the effectiveness of the drug for long-term use (for instance, longer than four months) has not been systematically established by clinical studies. For this reason, regulatory documents indicate that the duration of treatment is generally kept as short as possible.


Q: Is it normal to feel a mild headache when first starting Assival?

Headache is a documented adverse reaction to the medication. Official regulatory reports for certain formulations, such as the rectal preparation, specifically list headache among the most commonly reported side effects.


Q: Does Assival interact with common over-the-counter pain medications?

Official documents require patients to inform their doctor of all prescription and nonprescription medications they are taking, including over-the-counter pain relievers. Careful monitoring or dose adjustments may be needed to prevent potential interactions.


Q: Can Assival be used by people with a history of heart issues?

Individuals with a history of heart disease are required to inform their doctor before taking the medication. Official warnings indicate that the use of the injectable form requires enhanced caution in patients with unstable cardiovascular status.


Q: Why are people sometimes asked to avoid grapefruit juice while taking Assival?

Official documents indicate that grapefruit and grapefruit juice may interact with the metabolism of the drug in the body. This interaction can lead to potentially dangerous side effects. Official guidance suggests that patients consult with their prescribing physician regarding the use of grapefruit products.


Q: Are there known effects of Assival on memory or concentration?

Yes, official regulatory documents list potential effects on mental function. Documented adverse reactions include impaired concentration, and amnesia (including anterograde amnesia, which is difficulty forming new memories). Difficulty with memory tasks is also reported.


Q: What are the general expectations for someone starting Assival treatment?

General expectations documented in official information include experiencing common side effects such as drowsiness and dizziness. Patients should be aware that while the therapeutic effects may begin quickly, the drug and its active breakdown products take a long time to be completely eliminated by the body.


Q: Are there any specific lifestyle adjustments suggested during Assival treatment?

Yes, regulatory warnings state that patients are not to drive a car or operate hazardous machinery due to the potential for impairment. Patients are also formally warned against the concomitant use of alcohol due to the high risk of severe sedation and respiratory depression.


Q: Is it true that Assival can be used to help with sleep difficulties?

The drug is primarily classified as a CNS depressant, which means it causes effects like sedation and drowsiness, which are listed as very common side effects. However, its use is generally restricted to short-term management for its approved indications, rather than chronic sleep difficulties.


Q: What does the research say about Assival's use in children, if anything?

Official labeling states that the oral form of the medication is not recommended for infants under six months of age. However, for specific acute indications, such as seizures, the injectable and rectal forms have officially established dosing guidelines for older children and adolescents.

How should Assival be stored and disposed of?

The official regulatory profile for Assival (Diazepam) mandates specific conditions to ensure stability and safety.

Storage Requirements

Condition Regulatory Rule
Temperature Store at Controlled Room Temperature, 20 C to 25 C (68 F to 77 F), with permitted excursions.
Protection Protect from light; store the liquid form in a tight, light-resistant container. Do not Freeze the injectable solution.
Container Tablets should be kept in the original container.
Stability The opened oral solution concentrate must be discarded after 90 days.
Child Safety The medication must be kept strictly out of the sight and reach of children.

Disposal Instructions

Unused or expired product must be disposed of according to official guidelines. Consult the FDA Guidelines for Safe Disposal of Medicines, as the product is classified as a Federal Controlled Substance (C-IV).

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

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