Corvaldin

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Corvaldin

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Method of action: Antispasmodic, Calming, Sedative

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Medically reviewed

Laura Arias

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 Corvaldin

Property Description
Active Ingredients Ethylbromisovalerinate, Phenobarbital, Humuli Lupuli Oleum, Menthae Piperitae Oleum
Form Oral Solution (Liquid Drops)
Pharmacological Class Sedative, Mild Anxiolytic, Antispasmodic Combination Drug
Common Use Relief of nervous tension and functional cardiovascular neuroses
Origin Semi-synthetic (blending synthetic components with natural oils)

Corvaldin is a multicomponent pharmaceutical preparation classified primarily as a sedative, a mild anxiolytic, and an antispasmodic combination drug. It is characteristically supplied as an oral solution in the form of liquid drops for internal use. This preparation, manufactured by the Ukrainian company Farmak, is a variant of similar formulations historically prevalent in Eastern European markets and is clinically recognized for its ability to gently dampen central nervous system activity.

The efficacy of Corvaldin stems from its four principal active substances, which define it as a semi-synthetic blend. The formula contains the synthetic components Ethylbromisovalerinate and the barbiturate derivative Phenobarbital. The preparation is enriched with the natural essential oils Humuli Lupuli Oleum (hop oil) and Menthae Piperitae Oleum (peppermint oil). The Phenobarbital component is a barbiturate with sedative-hypnotic properties and supports the tranquilizing action by modulating inhibitory signals in the central nervous system.

The overall therapeutic focus of Corvaldin is to alleviate states of nervous tension and associated functional physical discomforts, such as mild muscle spasms or uneasiness linked to emotional stress. A typical use scenario involves its application for functional cardiovascular neuroses or disturbances in the sleep cycle caused by agitation. The unique combination of central calming agents and peripheral spasm relaxation provides a dual action that supports its long-standing use for these stress-related, functional conditions.

What side effects are possible with Corvaldin?

The safety profile of Corvaldin is primarily defined by the presence of the barbiturate component, Phenobarbital, and is formally documented according to regulatory standards (SmPC/FDA). Side effects are classified by frequency and affected physiological systems.

Common and Expected Adverse Reactions

Adverse effects most frequently documented involve the Nervous System, classified as common. These include drowsiness, lethargy, general CNS depression, and residual sedation. Other reported non-serious effects include headache, dizziness, and cognitive impairment. In some cases, particularly in children and older adults, a paradoxical reaction of excitement or hyperactivity may occur.

Serious Adverse Reactions and Safety Constraints

Although rare, life-threatening adverse reactions have been officially documented. These include severe cutaneous hypersensitivity syndromes such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), with the highest risk often noted within the first weeks of treatment. Other serious events include severe respiratory depression and circulatory collapse.

Duration-Related Risks: Prolonged use is officially associated with the development of psychic and physiologic dependence. Abrupt cessation following chronic use may precipitate a severe withdrawal syndrome. Chronic use is also linked to potential systemic effects, including megaloblastic anemia and decreased bone mineral density.

Population-Specific Safety Notes

Specific caution is advised for certain groups: Older adults may experience increased risk of confusion, depression, and cognitive impairment. The medicine is generally contraindicated in individuals with severe hepatic or renal impairment due to its metabolism. Regulatory documents also note risks for congenital malformations and neonatal complications when used during pregnancy.

Overdose and Emergency Response

Overdose and When to Seek Help

The official profile for Corvaldin overdose is defined by the systemic depressant effects of its principal component, Phenobarbital, as documented in government regulatory prescribing information. An overdose is characterized by a progressive depression of the Central Nervous System (CNS), which may manifest as increasing confusion, drowsiness, stupor, and potentially life-threatening coma. Documented neurological signs can include uncoordinated movement (ataxia), staggered gait, and slurred speech.

The most severe outcomes cited in regulatory documents involve critical physiological compromise. These include severe respiratory depression (slowed or absent breathing) and resulting cardiovascular failure, specifically leading to extremely low blood pressure (hypotension) and shock.

Regulatory instruction defines when urgent medical help must be sought. Immediate medical attention is required if the affected individual has collapsed, experienced a seizure, exhibits trouble breathing, or cannot be awakened. In such scenarios, contact with emergency services (911) or the Poison Control helpline is mandated.

Official management focuses on symptomatic and supportive treatment, including the continuous monitoring of vital signs. Procedural interventions described in regulatory-aligned guidance, such as the use of activated charcoal or extracorporeal removal techniques (e.g., hemodialysis), may be required for cases with persistent symptoms.

Therapeutic Uses of Corvaldin

Corvaldin is a multi-component preparation applied across domains where additional symptomatic support is needed across functional, stress-related conditions. As a combination drug containing the sedative component Phenobarbital, the medication is commonly used to help with symptoms related to central nervous system tension, based on the therapeutic properties of the sedative component. Its application is primarily relevant in contexts marked by increased discomfort or tension, commonly used when short-term symptomatic assistance is needed.


The preparation is relevant in conditions characterized by periods of heightened symptoms where physical symptoms are linked to nervous strain. It helps address symptom clusters involving neuro-emotional tension and irritability, symptomatic management of functional cardiovascular neuroses, and is relevant for easing difficulty falling asleep in cases of stress-induced insomnia. The preparation is also relevant for easing mild neurogenic spasms.

“The symptomatic relief provided by this class of medicine supports patients during episodes of heightened discomfort caused by nervous distress.”

This supportive therapeutic focus contributes to easing the overall symptom load during periods of heightened symptoms and assists with maintaining functional stability.

Quick Fact: Used for managing Nervous Tension and Stress-Related Insomnia

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Who Can and Cannot Use Corvaldin?

Official regulatory documents establish strict eligibility criteria for Corvaldin, largely due to its Phenobarbital content. Use is primarily restricted to adults who do not have specific exclusionary conditions.


Absolute Contraindications

Corvaldin is strictly contraindicated (prohibited) for individuals with known hypersensitivity to any component, including the barbiturate Phenobarbital. Absolute non-eligibility also applies to patients with severe respiratory depression and certain metabolic disorders, such as acute intermittent porphyria. Due to metabolism and excretion concerns, the medicine is contraindicated in cases of severe hepatic impairment and severe renal impairment. Furthermore, patients with a documented history of drug or alcohol dependence must not use this medicine.


Age and Condition Restrictions

The medicine is not recommended or contraindicated in children and adolescents under 18 years of age because safety and efficacy are not established by regulatory bodies. Corvaldin is contraindicated during both pregnancy and lactation. Older adults should use the medicine with caution and may require dose adjustment due to increased sensitivity to CNS effects. Use is restricted for patients with conditions such as decompensated heart failure, uncontrolled diabetes mellitus, or severe depressive states.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile of Corvaldin is primarily defined by the documented pharmacokinetic and pharmacodynamic properties of its components, notably the barbiturate Phenobarbital and Menthae Piperitae Oleum (Peppermint Oil).

Documented Interaction Patterns

The Phenobarbital component is a potent enzyme inducer of hepatic metabolism (e.g., CYP3A4). This documented activity accelerates the clearance and significantly reduces the plasma concentration of many co-administered medicines, including:

Interaction Type Affected Substance Categories Outcome Described in Labels
PK Reduction Oral Contraceptives, Oral Anticoagulants (Warfarin), Corticosteroids Decreased efficacy / Reduced plasma levels

Co-administration with other CNS Depressants (including alcohol, hypnotics, and opioid analgesics) is officially noted to result in additive CNS depressant effects. Furthermore, the combination is formally restricted with Cisapride and Eliglustat due to the potential for metabolic inhibition by the Peppermint Oil component.

Exposure-Modifying Substances

The systemic exposure of the Phenobarbital component itself is subject to modification. Medicines like Valproic Acid and Phenytoin are documented to increase Phenobarbital serum levels. Conversely, substances like Aluminum-containing Antacids and the herbal product St. John's Wort reduce the systemic exposure. Administration separation, such as spacing doses apart, may be required for agents like Antacids or Biotin supplementation. Due to metabolism issues, interaction risk requires caution in cases of documented hepatic impairment.

Mechanism of Action

How Corvaldin Works: Mechanism of Action

Corvaldin's action is defined by simultaneous modulation across central and peripheral physiological systems. In the central nervous system, the drug functions as a positive allosteric modulator of the inhibitory GABA A receptor complex. This interaction increases the frequency of chloride ion influx, which results in neuronal membrane hyperpolarization and a subsequent reduction in overall neural firing frequency.

Peripherally, the drug influences smooth muscle cells by modulating voltage-gated calcium and potassium ion channels. Limiting Ca^2+ availability required for muscle contraction leads to decreased excitability of visceral smooth muscle and alters vascular tone, resulting in vasodilation. This combined pharmacological activity on both central neural pathways and peripheral contractility establishes the drug's overall spectrum of physiological actions.

Dosage and Administration Information

Corvaldin is a regional sedative and antispasmodic product, and its administration is based on specific guidelines from its markets of origin. The information provided below is a consolidation of the instructions for its use, based on the prescribing information where the product is licensed.

Administration Guidelines

The medicine is supplied as an oral solution and must be taken internally as liquid drops. The instructions define the required method of administration and set the dosing framework.

Parameter Official Instruction
Route of Administration Oral administration (internal use).
Dosing Unit The medicine is measured precisely in drops, often with the aid of a dropper or drop counter.
Standard Adult Dose The standard single adult dose is specified as a range of 15 to 30 drops. This dose may be increased up to 40 to 50 drops for pronounced symptoms.
Frequency Taken 2 to 3 times a day.
Timing Generally taken before meal consumption. For easing sleeplessness, a single dose is taken before bedtime.

Procedural and Course Constraints

The drops are administered either with a small amount of water or are dripped onto a sugar cube for consumption. The treatment duration is established individually and is typically limited to short-term symptomatic use as defined for the product.

Instructions address specific populations: the medicine is not recommended for use in children under 12 years of age. For older adults, the prescribing information advises a reduced dose, depending on the individual’s general state of health. These instructions define the quantitative and procedural requirements for the administration of the medicine.

Recent Clinical Evidence

Evidence for Use in Nervous Tension and Stress-Related Sleep Difficulty

The research base for Corvaldin in the context of nervous tension relies primarily on historical clinical studies and small-scale, non-randomized observational settings. These studies monitored short-term symptom changes in adult patients, examining patient-reported outcomes such as subjective feelings of agitation and time taken to fall asleep.

Certainty remains low for this indication. The research base lacks the robust confirmation provided by large, placebo-controlled randomized controlled trials (RCTs), which are essential for establishing high-level certainty. Furthermore, comparative evidence is largely lacking, and studies did not typically evaluate this preparation against other currently used treatments.

Evidence for Use in Functional Cardiovascular Neuroses and Mild Spasms

Corvaldin was also studied for conditions linked to functional imbalance, such as cardiovascular neuroses and mild neurogenic spasms. The evidence consists mainly of clinical observation reports and historical case reports. These studies explored changes in patient-reported outcomes related to physical discomfort. Reports describe patterns observed where patients reported changes measured during episodes where symptoms became more noticeable. The available data provide limited insight into long-term patterns.

The Quality and Strength of Available Evidence and Research Gaps

The overall scientific evidence for this multi-component preparation is characterized by a high reliance on historical, regional, or small-scale clinical observation. Evidence quality varies across studies, and the research generally falls into the low certainty category when assessed against contemporary international standards.

Key limitations include the scarcity of large-scale RCTs and modest sample sizes. Follow-up durations were limited, meaning long-term effects are not fully established. Additionally, data for certain groups, such as older adults or adolescents, remain insufficient, and the research does not determine whether an individual in these or other special populations will respond similarly.

Key Studies & References

  1. Phenobarbital - WHO ATC/DDD Index (N03AA02)
  2. Phenobarbital: MedlinePlus Drug Information (NIH)
  3. PHENOBARBITAL tablet - DailyMed (NIH/FDA Label)
  4. Phenobarbital - StatPearls (NCBI Bookshelf)

Frequently Asked Questions (FAQ)

Common questions about Corvaldin (FAQ)

Q: How long does it typically take for Corvaldin to start showing an effect?

Studies on the active components indicate that the time to reach the highest amount of the medicine in the blood, known as peak concentration, is generally 8 to 12 hours after an oral dose. The sedative effects of the medicine are typically observed to last for around 6 to 8 hours.

Q: Is Corvaldin intended for long-term or short-term treatment?

Official instructions define the use of this medicine as typically limited to short-term symptomatic use. Regulatory documents indicate that prolonged use is officially associated with the risk of developing psychic and physiologic dependence.

Q: Are there any specific foods or drinks that should be avoided while taking Corvaldin?

Official instructions advise against consuming alcohol while using Corvaldin. This is due to the potential for additive central nervous system (CNS) depressant effects, which means the combination could increase effects such as drowsiness.

Q: Is it safe to consume alcohol while using Corvaldin?

Co-administration with alcohol is formally noted in the prescribing information to result in additive CNS depressant effects. These additive effects are described as potentially impairing judgment and motor skills.

Q: Can Corvaldin be taken at the same time as over-the-counter pain relievers?

The Phenobarbital component is known to interact with certain over-the-counter pain relievers, such as Acetaminophen. Official information indicates that this combination may be associated with an increased risk of serious effects affecting the liver, due to the Phenobarbital component’s known properties.

Q: Is it safe for people who have a history of liver problems?

Regulatory documents state that Corvaldin is contraindicated (prohibited) for individuals with severe hepatic impairment (severe liver problems). The prescribing information provides specific guidance for individuals with any history of liver issues.

Q: Can Corvaldin be used by pregnant or breastfeeding individuals?

Corvaldin is formally contraindicated for use during both pregnancy and lactation. This restriction is due to documented risks, including the potential for congenital malformations and complications for the newborn.

Q: Are there any known drug-drug interactions that are considered life-threatening with Corvaldin?

The combination is formally restricted with certain specific medicines, such as Cisapride and Eliglustat. Furthermore, combining Corvaldin with other CNS depressants is noted to potentially lead to severe events, including respiratory depression (severely slowed breathing) and circulatory collapse.

Q: Does Corvaldin affect your ability to drive or operate machinery?

The medicine's common side effects include drowsiness, lethargy, and general CNS depression. Due to these effects, regulatory information indicates that the ability to operate machinery or drive may be impaired while using Corvaldin.

Q: What should I do if the pill I received this month looks different than my previous Corvaldin prescription?

Official product documents state that Corvaldin is supplied only as an oral liquid solution (drops) for internal use. If the medicine received is a tablet or pill, its form is inconsistent with the official product description of Corvaldin as an oral liquid solution.

Q: Does Corvaldin have a risk of misuse or dependence?

Prolonged use of the medicine is officially associated with the development of psychic and physiologic dependence. Due to the presence of Phenobarbital, the active component is classified by the DEA as a Schedule IV controlled substance.

Q: Can I crush or split the Corvaldin tablet?

Corvaldin is supplied only as an oral liquid solution (drops), not as a tablet or capsule. As Corvaldin is supplied only as an oral liquid solution, guidance regarding crushing or splitting a tablet does not apply to this specific product.

Q: Is Corvaldin a brand name or a generic name?

Corvaldin is a trade name for a specific multi-component preparation manufactured by a pharmaceutical company (Farmak). The medicine is a blend of four separate active ingredients, including the barbiturate Phenobarbital.

Q: Does Corvaldin interact with common supplements like vitamins or herbal products?

The official labeling notes an interaction with the herbal product St. John's Wort. Regulatory documents indicate that taking this herbal product may reduce the amount of the Phenobarbital component in the body.

Q: Is it possible to take Corvaldin with other prescription medications?

Official documents describe several categories of medications that interact with Corvaldin, including oral contraceptives, anticoagulants, and CNS depressants. Taking the medicine with these may require dose adjustment or caution to manage the risk of altered effects.

Q: How quickly is Corvaldin typically eliminated from the body?

The elimination of the Phenobarbital component from the body is typically slow. The adult plasma half-life—the time it takes for half of the dose to be cleared—is described as ranging from 53 to 118 hours (approximately 2 to 5 days).

Q: Does Corvaldin need to be tapered off when stopping use?

Abrupt cessation following chronic use may lead to a severe withdrawal syndrome. Regulatory notes for the Phenobarbital component generally recommend tapering off the medication (reducing the dose gradually) when discontinuing chronic use.

How should Corvaldin be stored and disposed of?

How to Store and Dispose of Corvaldin?

Corvaldin, an oral liquid solution, must be stored according to specific regulatory requirements to maintain its integrity and ensure safety. Official guidelines mandate storing the medicine at controlled room temperature, typically between 20 C and 25 C (68 F and 77 F). The product must be protected from excess heat and moisture and should remain in its original, tightly closed container.

Storage Requirement Rule
Temperature Store at room temperature (20 C to 25 C).
Protection Keep away from excess heat and moisture.
Security Keep out of the sight and reach of children.

Official disposal protocols prioritize the use of drug take-back programs or collection events. If no take-back option is available, the product must be mixed with an undesirable substance (such as dirt or coffee grounds), sealed in a bag, and then discarded with household trash. Regulatory guidance prohibits disposing of the liquid by flushing it down a toilet or drain.

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

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