Valtoco

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Valtoco

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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 Valtoco

Property Description
Active Ingredient Diazepam
Form Solution, Intranasal Spray
Pharmacological Class Benzodiazepine Anticonvulsant
Common Use Acute repetitive seizures (Seizure clusters)
Origin Synthetic Compound

What is the Drug VALTOCO and Its Classification?

VALTOCO is the formulation name for Diazepam Nasal Spray, a specialized prescription medicine. The compound Diazepam is a synthetic drug that is formally classified as a Benzodiazepine Anticonvulsant, belonging to the broader pharmacological group of Central Nervous System (CNS) depressants. This designation highlights the drug’s intended role as an acute treatment medication, distinct from daily preventive therapies. As a benzodiazepine, it is subject to scheduling as a controlled substance, reflecting its legal and regulatory identity.

Active Ingredient, Formulation, and Delivery Type

The active pharmaceutical ingredient in VALTOCO is Diazepam, an established compound used for managing acute seizure activity. The medication is prepared as a liquid solution and is supplied in a ready-to-use intranasal spray device for the intranasal route of administration. The formulation incorporates a proprietary permeation enhancer to ensure rapid and consistent absorption of Diazepam across the nasal lining, a unique feature that differentiates it from non-enhanced nasal solutions.

The efficacy of intranasal diazepam for achieving rapid systemic uptake is clinically recognized. This medical recognition confirms that the specialized spray technology allows the drug to work quickly outside of a hospital setting, offering a non-invasive alternative to traditional routes like rectal administration.

General Purpose and High-Level Function

The general purpose of VALTOCO is to serve as an immediate-use seizure medication for the short-term treatment of specific seizure events. It is officially indicated for managing intermittent, stereotypic episodes of frequent seizure activity, which are commonly referred to as seizure clusters or acute repetitive seizures in patients with epilepsy. The key functional benefit is the capacity for rapid intervention afforded by the nasal delivery system, which allows the drug to quickly calm the excessive neuronal activity responsible for the cluster, enabling prompt interruption of the escalating episode in both adults and pediatric patients aged 2 years and older.

What side effects are possible with Valtoco?

The possible side effects and safety characteristics of Valtoco (diazepam nasal spray) are explicitly documented in official regulatory labeling, reflecting both the specific administration route and the properties of the benzodiazepine class.

Adverse Reaction Scope

Key adverse reaction categories: Effects related to Central Nervous System (CNS) function, local effects at the nasal administration site, and risks associated with the benzodiazepine schedule classification.

Frequency classification: The most commonly classified adverse reactions (at least 4% incidence in clinical trials) are Somnolence (drowsiness or sleepiness), Headache, and Nasal Discomfort (e.g., irritation, rhinorrhea). Other documented common effects include Dizziness and Ataxia (unsteadiness).

System-organ classes involved: Reactions primarily affect the Nervous System (e.g., somnolence, dizziness) and the General Disorders and Administration Site Conditions (e.g., nasal discomfort, fatigue).

Serious Adverse Reactions (Label-Documented)

The official labeling includes a Boxed Warning highlighting risks that demand particular caution:

  • Respiratory Depression and Profound Sedation: The risk of profound sedation, respiratory depression, coma, and death is significantly increased when Valtoco is used at the same time as opioids or other CNS depressants.
  • Abuse, Misuse, Addiction, and Dependence: As a Schedule IV Controlled Substance, there is a risk of abuse, misuse, and addiction. The continued use of benzodiazepines can lead to Physical Dependence, and abrupt cessation, especially after frequent use, may precipitate severe Withdrawal Reactions.
  • Antiepileptic Drug (AED) Class Effect: Like other AEDs, the medication carries a documented risk of increasing the likelihood of Suicidal Thoughts or Behavior.

Population-Specific Safety Considerations

Specific warnings apply to certain patient groups as defined in regulatory documents:

  • Older Adults may experience enhanced sensitivity to CNS depressant effects, leading to an increased risk of sedation and fall-related injury.
  • Neonatal Sedation and Withdrawal Syndrome is a risk when the medication is used late in pregnancy.
  • The product is contraindicated in patients with acute narrow-angle glaucoma and known hypersensitivity to diazepam.

Connection to the overall safety profile: The official safety information establishes the CNS and respiratory depression potential as the primary acute safety concern, reinforced by the Boxed Warning. This framework informs of both the frequently encountered side effects and the serious, class-related safety constraints mandated by regulatory authorities, specifically defining risks related to simultaneous use of other CNS depressants and the potential for dependence.

Overdose and Emergency Response

A Valtoco overdose is characterized by dose-related Central Nervous System (CNS) depression. Documented clinical manifestations range from initial effects such as confusion, lethargy, and excessive sleepiness (profound sedation) to more severe states, including ataxia (uncoordinated movement) and ultimately coma.

The most severe, life-threatening outcomes listed in regulatory documents involve the respiratory system. These risks include respiratory depression (slowed or shallow breathing) and potential apnea (breathing stops), which can lead to cardiac arrest and death. The risk of these severe outcomes is notably increased by co-ingestion with opioids or other CNS depressants.

Immediate medical attention is required for any signs of respiratory compromise or excessive sedation. Regulatory authorities mandate that emergency services be contacted immediately if symptoms such as shallow or slowed breathing or profound sedation are observed.

Management of an overdose is focused on symptomatic and supportive treatment, prioritizing the maintenance of a patent airway and continuous monitoring of vital signs. While a specific antagonist, Flumazenil, may be considered, its use is typically reserved for select cases due to the documented risk of precipitating seizures or acute withdrawal. Elderly patients and those with reduced liver or renal function may be at increased risk for toxicity due to drug accumulation, requiring careful observation.

Therapeutic Uses of Valtoco

Quick Facts: Primary Therapeutic Domain

  • Acute Intervention: Used for the short-term treatment of seizure clusters.
  • Target Condition: Intermittent, stereotypic episodes of frequent seizure activity in individuals with epilepsy.
  • Patient Population: Authorized for use in adult and pediatric patients who are 2 years of age and older.

What Valtoco Treats: Main Uses and Benefits

Valtoco is a prescription medication intended for the acute treatment of specific, recurring seizure activity. It is used to address episodes of frequent seizure activity, commonly referred to as seizure clusters or acute repetitive seizures. These episodes are considered distinct from an individual's customary seizure pattern and may require prompt intervention.

This medication is primarily indicated for use in both adults and pediatric patients aged 2 years and older who have a diagnosis of epilepsy. Valtoco is utilized as a rescue treatment for these intermittent episodes to help manage the seizure activity when it occurs. The administration method is designed to permit use outside of a hospital setting, offering a convenient route for a care partner or the patient themselves to intervene quickly during a seizure cluster.

Appropriate use of this medication contributes to the overall management plan for epilepsy by providing a tool to address these acute, short-term increases in seizure frequency.

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Valtoco

Official regulatory documents define the population eligible to use Valtoco (diazepam nasal spray) for the acute treatment of seizure clusters.

Category Regulatory Status
Approved Age 2 years of age and older (adult and pediatric patients).
Use Not Established Safety and effectiveness have not been established in children under 2 years of age.

Use of Valtoco is contraindicated (absolutely prohibited) in patients with a known hypersensitivity to diazepam or any component of the formulation, and in patients with acute narrow-angle glaucoma.

Conditional Use Requirements
Comorbidities: Caution is required for patients with compromised respiratory function, liver problems, kidney problems, or a history of alcohol or drug abuse.
Pregnancy: Use late in pregnancy is associated with risks of neonatal sedation and/or withdrawal symptoms in the baby.
Lactation: Diazepam passes into breast milk and may cause sleepiness or feeding problems in the infant; use is generally not recommended.

The eligibility profile is strictly defined by an age threshold and explicit contraindications, with additional conditional-use warnings established for patients with specific underlying medical conditions.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents detail specific patterns of interaction for Valtoco (diazepam) based on both its pharmacological class and metabolic pathway. The most critical documented interactions stem from Pharmacodynamic Reinforcement and Pharmacokinetic Modification by the CYP450 enzyme system.

Pharmacodynamic Interactions

Co-administration with Opioids is subject to regulatory warning due to the heightened, additive risk of profound sedation, respiratory depression, coma, and death. This pharmacodynamic effect is also noted with Alcohol (Ethanol) and other Central Nervous System (CNS) Depressants (including certain antipsychotics, sedatives, and muscle relaxants), potentially leading to a synergistic CNS-depressant effect.


Pharmacokinetic Interactions

Diazepam is primarily metabolized by the CYP2C19 and CYP3A4 enzymes. Substances that inhibit these enzymes, such as cimetidine or ketoconazole, are documented to decrease the elimination of Valtoco, resulting in increased systemic exposure. Conversely, agents that induce these enzymes, such as rifampin or carbamazepine, are documented to increase the elimination, potentially resulting in decreased systemic exposure.


Drug–Substance Interactions

Documented interactions include those with food and herbal products. The consumption of Grapefruit Juice may increase drug levels. Additionally, caution is noted regarding use in patients with hepatic impairment, as reduced clearance may increase the risk of interaction-related adverse effects.

Mechanism of Action

Valtoco (diazepam) modulates signaling in the brain by acting on the main inhibitory pathway of the central nervous system. Its action enhances the brain's endogenous GABAergic inhibitory system, influencing neuronal electrical activity.

Targeting the GABA-A Receptor

Valtoco acts as a Positive Allosteric Modulator (PAM) at the GABA-A receptor complex. By binding to a specific site distinct from the natural neurotransmitter GABA (gamma-aminobutyric acid), the drug does not activate the receptor directly but makes it much more sensitive to GABA, thereby enhancing the magnitude of GABA-mediated inhibitory post-synaptic potentials.

Systemic Dampening of Neuronal Excitability

This enhancement of GABA's effect leads to a greater inflow of negatively charged chloride ions (Cl^-) into the nerve cell. This influx causes neuronal hyperpolarization, which results in increased neuronal membrane stability and a reduction in cellular excitability. The widespread stabilization and enhanced inhibition across the brain leads to a generalized dampening of central nervous system (CNS) excitability. This action rapidly raises the threshold for action potential generation, decreasing the propagation and systemic effects of excessive electrical activity within neural circuits.

Dosage and Administration Information

Valtoco (diazepam nasal spray) is indicated for intermittent use only, and its administration is strictly governed by established guidelines. The entire dosing process is standardized to its unique delivery system and must adhere to specific weight-based, time-related, and frequency constraints.

Administration Route and Dosing

Valtoco is administered exclusively via the intranasal route using a pre-filled, single-use spray device. The required dose is determined by the patient's age and weight, corresponding to one of four available fixed total doses: 5 mg, 10 mg, 15 mg, or 20 mg. For instance, the dose for patients aged 12 and older is based on a factor of 0.2 mg/kg of body weight. The 15 mg and 20 mg doses require two separate nasal spray devices, with one administered into each nostril, whereas lower doses use only one nostril. The device is ready-to-use and should not be primed before administration.

Frequency and Treatment Limits

Valtoco is explicitly intended for as-needed use and is subject to strict limits on repeated administration. A patient should not receive more than two total doses to treat a single episode. If a second dose is necessary, it must be administered at least four hours after the initial dose. Furthermore, guidelines restrict chronic use: the medication should not be used to treat more than one episode every five days and is limited to a maximum of five treated episodes per month. These strict limitations define the drug's role as a short-term, acute intervention.

Recent Clinical Evidence

Research evidence / Overview of studies for Valtoco

Evidence for the Acute Treatment of Seizure Clusters

Valtoco (diazepam nasal spray) research has explored the acute treatment of seizure clusters, which are conditions characterized by fluctuating or episodic manifestations that are different from a person’s usual seizure pattern. Research primarily explored the absorption rate of the active ingredient into the body and whether its use in a home setting was evaluated over time.

Because the active ingredient, diazepam, is an established anti-seizure compound, the clinical evaluation of the nasal spray involved comparative bioavailability studies. These short-term studies research explored the drug's absorption in the bloodstream to compare it to the existing, approved rectal gel formulation. These studies measured drug concentration in the blood, an outcome related to systemic or functional imbalance, in research scenarios relevant for acute seizure intervention.

Bioavailability and Comparative Study Design

Studies reported measurements of the active ingredient in the bloodstream, with absorption characteristics that were measured against the established rectal formulation. This outcome contributes to the broader evidence landscape, as the non-invasive nasal delivery method was observed to achieve the systemic exposure studied for acute seizure intervention. These studies provided evidence derived from settings with varying symptom burdens and contribute to the broader evidence landscape supporting the drug's use in conditions associated with acute or disruptive episodes.


Long-Term Studies and Real-World Usage Patterns

Beyond the initial absorption studies, long-term effects are not fully established and research explored the experience of patients using Valtoco intermittently over an extended period. These studies monitored patients who was evaluated in a real-world setting, often for a period of 12 months or more. The data collected focuses primarily on usage patterns and how well the nose tolerated the spray.


Evidence in Pediatric and Adult Patient Populations

Research examined Valtoco across a broad range of patients, including both adults and pediatric patients aged 2 years and older. The populations studied included individuals with epilepsy who were on stable daily anti-seizure medications. Separate pharmacokinetic studies was evaluated in children as young as 2 years old to understand how the active ingredient is processed in the body compared to adults. The data show patterns related to drug absorption and clearance across the different age cohorts, contributing to the broader evidence landscape for its use across the authorized age range.

Key Studies & References Final, long-term safety results for diazepam nasal spray in patients aged 2-5 years from a phase 1/2a study

Frequently Asked Questions (FAQ)

Common questions about Valtoco (FAQ)


Q: Is Valtoco the same type of medication as Diastat?

Valtoco (diazepam nasal spray) and Diastat (diazepam rectal gel) both contain the same active pharmaceutical ingredient, diazepam. According to official sources, both are indicated for the acute treatment of seizure clusters.


Q: Does Valtoco cause extreme sleepiness?

Official information states that somnolence (drowsiness or sleepiness) is one of the most common adverse reactions reported in studies. The medication also carries a warning regarding the risk of profound sedation when it is used at the same time as opioids or other Central Nervous System (CNS) depressants.


Q: Are there any food or drinks that should be avoided when using Valtoco?

Official guidance indicates that consuming alcoholic beverages and grapefruit or grapefruit juice should be discussed with a healthcare provider. Alcohol can increase the severity of side effects, while grapefruit products may increase the amount of medication in the body.


Q: Is it safe to use Valtoco if I am taking certain antidepressants?

Valtoco's active ingredient is processed by specific liver enzymes known as CYP2C19 and CYP3A4. Taking certain other medications, including some antidepressants, that block these enzymes may decrease how quickly Valtoco leaves the body, potentially increasing systemic exposure. Regulatory documents state that patients must inform their healthcare provider of all prescription and nonprescription medications.


Q: Can I use Valtoco if I have a history of certain breathing problems?

The official Medication Guide recommends patients discuss a history of certain respiratory conditions, such as asthma, emphysema, bronchitis, chronic obstructive pulmonary disease, or other breathing problems, with their healthcare provider before use.


Q: Can Valtoco be given while a patient is lying down or must they be sitting up?

According to official usage information, the nasal spray device can be used safely with the patient's head in any position during administration.


Q: Can a patient who is pregnant or breastfeeding use Valtoco?

Official information indicates that taking the medication late in pregnancy may cause symptoms of sedation or withdrawal in the newborn. Additionally, the active ingredient passes into breast milk and may lead to sleepiness or feeding problems in the infant.


Q: What is the risk of overdose with Valtoco?

Symptoms that may be associated with an overdose of diazepam include drowsiness, confusion, unsteadiness, or coma. Official warnings state that the risk of fatal overdose is significantly increased when this medication is taken with alcohol, opioid medicines, or other drugs that cause drowsiness or slow breathing.


Q: Are there different strengths of Valtoco available?

The official prescribing information indicates that the medication is available in four fixed total doses: 5 mg, 10 mg, 15 mg, and 20 mg.


Q: Why is Valtoco given as a nasal spray instead of a pill?

Valtoco is formulated as a specialized intranasal spray that incorporates a permeation enhancer. This formulation is designed to achieve rapid and consistent absorption of the active ingredient into the body for immediate-use acute treatment.


Q: How long does it take for Valtoco to start working after administration?

Studies and official information indicate that the medication is fast-acting. In clinical research where the medication was administered early in the seizure episode, the median time to seizure cessation (the stopping of seizure activity) was reported to be 2 minutes.


Q: Does using Valtoco affect my ability to drive after the cluster seizure is over?

Official warnings state that Valtoco can cause sleepiness, dizziness, and slow a person’s thinking and motor skills. Driving or operating heavy machinery must be avoided until the patient knows how the medication affects them and the effects, such as drowsiness, have fully subsided.


Q: What makes Valtoco different from other rescue seizure medicines?

Valtoco is distinguished by its intranasal delivery system. The FDA designated the formulation as having a significantly improved ease of use compared to the established rectal gel formulation of diazepam, which contributed to its distinction.


Q: Is it normal to feel a burning sensation in the nose after using Valtoco?

Common adverse reactions reported in clinical studies include Nasal Discomfort, which covers various local sensations that may occur at the administration site, such as irritation or rhinorrhea.


Q: Are there any known long-term effects associated with using Valtoco as needed?

Official documents state that long-term effects for this specific formulation are not fully established. Long-term safety studies primarily monitored usage patterns and how well the nose tolerated the spray over time.


Q: Can Valtoco cause confusion or memory issues?

Regulatory documents report that confusion and memory problems have been reported as symptoms of overdose. Additionally, if the medication is suddenly stopped after frequent use, potential withdrawal symptoms may include trouble remembering or concentrating.


Q: Why is Valtoco considered a 'rescue' therapy?

Valtoco is considered a seizure rescue medication because it is a fast-acting product given as needed and immediately at the first sign of an episode. Its purpose is to actively intervene and stop frequent seizure activity.


Q: Does Valtoco interact with hormonal birth control?

The medication is processed by the CYP2C19 and CYP3A4 enzymes in the liver. Agents, including some forms of hormonal birth control, that induce these enzymes may increase the elimination of the drug, potentially resulting in decreased systemic exposure. Patients must inform their healthcare provider of all prescription medications.


Q: Is Valtoco available as a generic medicine?

According to public regulatory information in the United States, there is currently no generic version of Valtoco (diazepam nasal spray) available.


Q: Do studies suggest Valtoco's absorption rate is faster than oral diazepam?

Studies that measured the time to reach maximum plasma concentration (t max) for Valtoco reported values that were generally slower than those reported for oral diazepam in fasted individuals.


Q: What are the signs that Valtoco may be working?

The medication is indicated to stop seizure activity. In clinical studies, success was often defined by seizure cessation (the stopping of the seizure) within a short time after administration.


Q: Does Valtoco have a warning about potential changes in mood or behavior?

Like other antiepileptic drugs, Valtoco carries a warning regarding the risk of suicidal thoughts or actions. Official documents advise monitoring for the emergence or worsening of depression, and/or unusual changes in mood or behavior.


Q: Does Valtoco contain any ingredients that cause allergic reactions?

The medication is contraindicated (should not be used) if a patient has a known hypersensitivity to diazepam or any other component of the formulation. Discussion of all known allergies with a healthcare provider is noted in regulatory documents.


Q: What clinical evidence supports the use of Valtoco in emergency situations?

Clinical approval was based primarily on comparative bioavailability studies. These studies demonstrated that the medication achieved systemic exposure of diazepam similar to that of the existing, approved rectal gel formulation.

How should Valtoco be stored and disposed of?

VALTOCO must be stored and handled according to its official regulatory labeling to ensure product integrity and proper security as a Schedule IV controlled substance.

Storage Requirements

Condition Regulatory Rule
Temperature Store at controlled room temperature (68 F to 77 F or 20 C to 25 C).
Prohibitions Do not freeze and protect from light.
Packaging Keep the nasal spray device in its original blister pack until ready for use.
Child Safety Store in a safe place and keep out of the reach of children.

Disposal Instructions

Immediately after administration, the single-use nasal spray device and its blister pack must be discarded. Unused or expired medication must be disposed of via an authorized medicine return bin or drug take-back program, as required for controlled substances.

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

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