Echnatol

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Echnatol

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 Echnatol

Property Description
Active ingredient Cyclizine
Pharmacological class Antihistamine (First-Generation H1-receptor antagonist)
Origin Synthetic compound
Common high-level use Relief from Nausea, Vomiting, Dizziness
Primary forms Tablets (Oral), Solution for Injection (Parenteral)

What Type of Medicine is Echnatol (Cyclizine)?

Echnatol is a preparation containing the active ingredient Cyclizine, which belongs to the high-level pharmacological classification of antihistamines. Specifically, Cyclizine is designated as a first-generation H1-receptor antagonist and is chemically recognized as a piperazine derivative. This medicine is a synthetic compound and is clinically recognized for its reliable action in managing disturbances of the balance system. The core therapeutic classification of this compound establishes its primary role as an antiemetic agent, fundamentally designed to provide relief from symptoms of sickness.


Composition, Forms, and Differentiation

As a single-ingredient product, Echnatol features Cyclizine as its only active component, typically formulated as the Hydrochloride or Lactate salt. The drug forms of this medicine include oral preparations, such as tablets or dragees, which allow for the convenient oral route of administration. For clinical situations demanding rapid relief, the medicine is also available as a parenteral preparation, presented as an aqueous solution for injection, utilizing the intramuscular or intravenous route of administration. This availability across different dosage forms is a key differentiating factor, making Cyclizine formulations versatile for various patient scenarios, such as preventing motion sickness before travel or rapidly addressing acute vertigo.


General Purpose and High-Level Action

The general therapeutic purpose of Echnatol is to alleviate the symptoms of nausea, vomiting, dizziness, and vertigo. Its antiemetic effect is achieved through a dual process involving histamine H1 receptor blockade and significant anticholinergic activity. Cyclizine possesses notable anticholinergic activity that contributes to its effectiveness against motion-induced symptoms. This means the core ingredient helps to stabilize and suppress the over-stimulation of the vestibular system, which is the inner ear's balance mechanism, reducing signals that trigger feelings of sickness and imbalance.

Regulatory References

  1. Cyclizine - LiverTox - NCBI Bookshelf - NIH

What side effects are possible with Echnatol?

Echnatol's safety profile is documented through official regulatory classification systems, detailing potential adverse reactions and use limitations. The most frequently reported adverse effects often relate to the medicine's effects on the central nervous system (CNS) and its anticholinergic properties.

Official Adverse Reactions and Classification

The most common adverse reactions documented in regulatory summaries include drowsiness (somnolence), dry mouth, blurred vision, headache, and constipation. Many other documented effects across organ systems, such as cardiac, psychiatric, and gastrointestinal, are often classified with a frequency of “not known” in post-marketing reports, meaning the exact incidence cannot be estimated from available data.

Serious Safety Considerations

Official labeling documents several serious adverse reactions, requiring specific caution. These include severe hypersensitivity reactions such as anaphylaxis and angioedema. Documented hepatobiliary disorders, including cholestatic jaundice and cholestatic hepatitis, are also noted. Serious CNS effects, such as convulsions and decreased consciousness, are documented, and blood disorders like agranulocytosis have been reported.

Safety Constraints for Use

Specific regulatory constraints exist for populations with certain conditions. Caution is advised for patients with pre-existing conditions sensitive to anticholinergic effects, such as glaucoma (angle-closure type), urinary retention, and obstructive disease of the gastrointestinal tract. Furthermore, use requires caution in patients with severe heart failure or epilepsy. The medicine is formally specified for avoidance in individuals with porphyria. When used with alcohol or other CNS depressants, there is a regulatory note regarding potential additive depressant effects. Psychiatric disturbances, including hallucinations and disorientation, have been reported, particularly when recommended dosage levels have been exceeded.

Overdose and Emergency Response

Overdose Manifestations and Severe Outcomes

Official regulatory documents classify overdose of Echnatol (Cyclizine) as a condition with the potential for life-threatening systemic toxicity. Documented presentations of overdose involve the Central Nervous System (CNS), cardiovascular system, and respiratory system.

Overdose manifestations may include severe CNS effects, which are described as a potentially rapid progression from somnolence and disorientation to coma. Paradoxical symptoms are also noted, such as agitation, hallucinations, and convulsions (seizures). A defining clinical feature is the display of the anticholinergic syndrome, characterized by symptoms like pronounced tachycardia, blurred vision, and dry mouth. Officially documented severe outcomes include acute respiratory depression and cardiovascular collapse.

Required Emergency Action

Due to the documented potential for rapid clinical deterioration, official prescribing information strictly mandates that individuals seek immediate medical attention or contact emergency services immediately for any suspected overdose. The regulatory profile notes that no specific antidote is known for Cyclizine overdose; therefore, management must be strictly symptomatic and supportive. This approach requires hospitalization and close clinical observation, including continuous monitoring of vital functions and the cardiovascular system (e.g., ECG monitoring), as described in authorized regulatory labeling. Younger children are noted to be particularly susceptible to the CNS excitatory effects and the risk of convulsions.

Therapeutic Uses of Echnatol

What Echnatol Treats: Main Uses and Benefits

Quick Facts

  • ​Echnatol is indicated for the management of chronic, moderate-to-severe joint discomfort.
  • Its use is focused on mitigating pain and improving mobility associated with certain inflammatory joint conditions.
  • Therapy aims to support the patient’s ability to conduct daily activities with increased comfort.

Echnatol is a treatment option used to address the symptoms of painful joint conditions. The medication is generally employed when initial, less intensive symptom management approaches have proven insufficient. It functions by supporting the body’s response to inflammation in affected joint areas, which in turn helps decrease local pain and swelling.

Clinical use of Echnatol is reserved for individuals with established diagnoses who require sustained therapeutic support for chronic discomfort. Its primary purpose is to mitigate the severity and frequency of pain episodes, providing a path toward improved long-term quality of life for those dealing with persistent joint issues. The goal of treatment is to restore functional capacity and support comfort throughout the day.

Eligibility and Restrictions for Use

The use of Echnatol is governed by official regulatory criteria that define the population eligible to receive the medicine and those who must not use it. These rules are established by national and international health authorities.

Eligibility Status Specific Populations/Conditions
Contraindicated (Must NOT Use) Hypersensitivity to cyclizine; Acute alcohol intoxication; Porphyria (an inherited blood disorder).
Use with Caution (Monitoring Required) Glaucoma; Urinary retention or enlarged prostate; Obstructive gastrointestinal tract disease; Hepatic (liver) disease; Severe heart failure or acute myocardial infarction; Epilepsy.

The medicine is officially approved for adults and for children aged 6 years and over. Use in children under 6 years of age is generally not recommended. For older adults, the normal adult amount may be appropriate, but caution is advised due to potential sensitivity.

Regarding reproductive health, the medicine is not advised for use during pregnancy and is not recommended during lactation, as the substance is excreted in human milk. These official regulations establish the boundaries for its prescription and use.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define the interaction profile of Echnatol (Cyclizine) predominantly through the risk of pharmacodynamic enhancement with certain substance classes.

The highest regulatory restriction is a formal contraindication against co-administration with acute alcohol intoxication. This is specified because the medicine's anti-emetic action may mask the symptoms and potentially increase the toxicity of alcohol.


Documented Pharmacodynamic Interactions

Co-administration with Central Nervous System (CNS) Depressants may result in additive effects, leading to enhanced sedation. This category includes medicines such as Hypnotics, Barbiturates, Anaesthetics, and Antipsychotics. The regulatory information also explicitly notes that Cyclizine enhances the sedating effect of Pethidine.

Interactions with Anticholinergic Drugs may cause enhanced side-effects due to additive antimuscarinic action. This applies to substances like Atropine and certain Tricyclic Antidepressants.

A non-PK/PD interaction documented in the labeling is the risk of the medicine masking the warning signs of damage caused by ototoxic drugs, such as Aminoglycoside antibacterials.

No mandatory timing-based separation requirements and no formal pharmacokinetic interaction mechanisms (CYP enzyme or transporter effects) are explicitly documented in the official prescribing information for Cyclizine.

Mechanism of Action

Dual Central Receptor Blockade

Echnatol's mechanism centers on acting as a competitive antagonist at two major receptor systems within the central nervous system (CNS): the Histamine H1-Receptors ( H1 R) and the Muscarinic Acetylcholine Receptors ( mAChR). This dual receptor antagonism inhibits the binding of the natural signaling molecules histamine and acetylcholine, consequently inhibiting the excitatory neurotransmission associated with the emetic and equilibrium signaling pathways.


Modulation of the Vestibular-Emetic Pathway

The drug affects the Vestibular Nuclei and afferent pathways that transmit signals from the vestibular apparatus to the Vomiting Center (VC). By suppressing these histaminergic and cholinergic signals, the mechanism modulates the transmission of nerve impulses within the central pathways that process motion and equilibrium signals. This process results in an elevation of the activation threshold of the VC, reducing the central pathway's sensitivity to afferent stimuli.

Dosage and Administration Information

Official Administration Guidelines for Echnatol (Cyclizine)

The administration of Echnatol is standardized across several official routes and dosage forms, reflecting its use in diverse clinical contexts. The protocol for its use defines the allowed dosage, frequency, and specific requirements for preparation and intake.

Administration Scope Official Instruction Summary
Routes and Forms Approved for Oral (tablet), Intramuscular (IM), and Intravenous (IV) routes. The standard strength is 50 mg.
Adult Dosing The typical single dose is 50 mg, administered up to three times daily. The established maximum daily intake is 150 mg.
Frequency and Timing A minimum interval of 8 hours must separate administrations. Oral tablets may be taken with or without food.
Pediatric Dosing Children 6 to 12 years are given 25 mg up to three times daily. The 50 mg tablet is scored for accurate division to achieve this lower dose.

Procedural and Contextual Constraints

  • IV Administration: Intravenous injection must be administered slowly, typically over at least 3 minutes. The solution may be diluted to ensure this slow rate of entry into the bloodstream.
  • Course Duration: Post-operative intravenous use should generally not exceed a limit of 48 hours. Use in other scenarios is generally short-term.
  • Missed Dose: Official guidance instructs that the dose should be taken at the next scheduled time, maintaining the minimum 8-hour interval.

These regulatory instructions define a precise use protocol for Echnatol, setting limits on frequency and total daily intake while detailing the specific handling requirements for the parenteral forms.

Recent Clinical Evidence

Evidence for Acute Symptom Management

Research has examined Echnatol primarily through Randomized Controlled Trials (RCTs) and Systematic Reviews, which were evaluated in populations like adults undergoing surgery facing acute sickness. These studies monitored patient-reported outcomes describing perceived discomfort and the need for rescue anti-sickness medication. Research also explored its role in conditions characterized by fluctuating or episodic manifestations, such as dizziness, vertigo, and motion sickness, where studies assessed outcomes related to systemic or functional imbalance. Findings indicate patterns observed in the studies related to changes in the need for rescue medication within the short-term study period.

Research has also examined evidence derived from observational settings for specialized care patients, such as those in palliative care. This type of evidence helps contextualize how patients reported their experience of sickness in settings with varying symptom burdens.

Research Gaps and Limitations

Clinical research includes patients across various age groups, but results apply only to the populations studied. Research was observed in specific pediatric subgroups undergoing surgery, but subgroup findings are uncertain, and evidence quality varies across studies. Data for certain groups remain insufficient, meaning limited information is available regarding the precise patterns of use for people with specific, multiple health issues.

The follow-up in the majority of key studies was limited to hours or days post-administration. Long-term effects are not fully established, and there is limited information for long-term outcomes regarding the durability of response. Comparative evidence is lacking in certain complex patient groups, and evidence is limited for some applications. The research provides context but not individual predictions.

Key Studies & References

  1. Cyclizine lactate prevention of postoperative nausea and vomiting (Review citing Cochrane data)
  2. NAUSICALM, Cyclizine hydrochloride 50 mg tablet - Data Sheet (Regulatory document covering vestibular indications)

Frequently Asked Questions (FAQ)

Common questions about Echnatol (FAQ)


Q: Is Echnatol approved by the FDA?

A: The active ingredient in Echnatol is listed in the U.S. FDA Over-the-Counter (OTC) Monograph M009. This monograph establishes the regulatory conditions for antiemetic drug products that can be legally marketed for certain uses, such as the prevention and treatment of motion sickness.


Q: Is Echnatol available without a prescription?

A: In some countries, including the United States, formulations containing the active ingredient are classified as an Over-the-Counter (OTC) medicine. This means the drug may be obtained without a prescription for certain uses, such as the prevention and treatment of motion sickness.


Q: Is there a generic version of Echnatol?

A: The active ingredient of Echnatol is Cyclizine, which is the internationally recognized generic name for this compound. Official product information confirms Cyclizine as the single active component.


Q: What is the purpose of the black box warning on Echnatol?

A: Official regulatory labeling for Echnatol does not contain a U.S. FDA Black Box Warning. This type of warning is reserved for medicines with the most serious documented risks that the regulator requires to be prominently displayed in the product information.


Q: Where can I find official information about Echnatol?

A: Official, authoritative information about the medicine is available from government sources. These resources include organizations such as the National Institutes of Health (NIH), the US Food and Drug Administration (FDA), and the European Medicines Agency (EMA).


Q: Is Echnatol considered a controlled substance?

A: In the United States, Echnatol is generally not classified as a controlled substance. This status is consistent with its common classification as an Over-the-Counter (OTC) medicine.


Q: How quickly does Echnatol start working?

A: Following oral ingestion, the active ingredient is reported to reach its peak concentration in the bloodstream approximately 2 hours after administration. This pharmacokinetic information provides an indication of the time frame for maximum systemic presence of the drug.


Q: How long do you typically need to use Echnatol?

A: Official regulatory documents indicate that the use of Echnatol is generally intended for short-term management of symptoms. For specific clinical settings, such as post-operative intravenous use, the duration specified is not to exceed 48 hours.


Q: Is Echnatol a cure for the condition it treats?

A: The drug's purpose is defined in official documents as providing relief from symptoms of sickness. Echnatol is classified as an antiemetic agent, meaning it manages the symptom, and it is not categorized as a cure for the underlying condition.


Q: How is Echnatol eliminated from the body?

A: The active ingredient is metabolized (broken down) in the body to a derivative called norcyclizine. The oral form has a quoted elimination half-life of approximately 20 hours, which is a measure of how quickly the substance is reduced in the bloodstream.


Q: Is it normal to feel a change in appetite with Echnatol?

A: Official labeling lists loss of appetite as a reported adverse reaction. However, the exact frequency of this effect is officially classified as not known based on the available post-marketing data collected on the medicine’s use.


Q: Does Echnatol affect your sleep?

A: Official documents report drowsiness (feeling sleepy) as a common side effect of the medicine. Additionally, psychiatric effects such as insomnia (trouble sleeping) have been reported, particularly in cases where the regulatory-recommended dosage has been exceeded.


Q: Are the side effects of Echnatol temporary?

A: The duration of adverse effects is not explicitly defined in the regulatory labeling. However, the drug is intended for short-term use, and the active ingredient has a quoted elimination half-life of approximately 20 hours, which is a measure of clearance.


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

A: Official reports have documented the potential for abuse of the medicine for its euphoric or hallucinatory effects. This type of abuse is often linked to instances where regulatory-recommended dosages are exceeded or the drug is taken with other substances.


Q: Can Echnatol cause dizziness?

A: Dizziness has been reported as a potential central nervous system effect of Echnatol. According to official product information, the exact incidence of this side effect is currently classified as not known based on available post-marketing reports.


Q: Does Echnatol affect memory?

A: Central Nervous System (CNS) effects that have been officially reported include disorientation and impaired judgment. These effects have been documented in instances, particularly when the regulatory-recommended dosage has been exceeded.


Q: Can Echnatol cause hearing loss?

A: Echnatol is documented to have the potential to mask the warning signs of damage caused by certain ototoxic drugs (drugs that can damage the inner ear). Hearing loss itself is not listed as an adverse reaction of Echnatol in the official product information.


Q: Does Echnatol interact with birth control pills?

A: Regulatory information indicates that Echnatol does not affect any type of hormonal contraception. This includes both the combined oral contraceptive pill and the progestogen-only pill.


Q: What foods should be avoided while using Echnatol?

A: Official guidelines state that the oral dosage form may be taken with or without food. The regulatory product information does not mandate any specific restriction regarding avoiding foods or non-alcoholic beverages during use.


Q: What is the recommended time of day to take Echnatol?

A: Official instructions define a minimum 8-hour interval between doses to maintain appropriate frequency. The regulatory guidelines do not mandate a specific time of day for administration.


Q: Can Echnatol be crushed or chewed?

A: Specific forms of Echnatol, such as the chewable tablet, are described in the regulatory guidelines as needing to be chewed thoroughly before swallowing. This is based on the official administration instructions for that particular dosage form.


Q: What happens if you stop taking Echnatol suddenly?

A: While no formal cessation protocol is described in the regulatory information, the official guidance for a missed dose is to skip it and maintain the minimum interval before the next scheduled dose.


Q: How does Echnatol affect the liver or kidneys?

A: Reported adverse reactions include serious hepatobiliary disorders (liver issues) like cholestatic hepatitis and jaundice. Renal (kidney) or urinary disorders, specifically urinary retention, have also been reported in regulatory documents.


Q: Can people with high blood pressure use Echnatol?

A: Official regulatory information states that the medicine should be used with caution in patients with pre-existing conditions, including hypertension (high blood pressure). Caution is required due to the potential for underlying health issues.


Q: Is Echnatol safe for older adults?

A: Use in older adults requires caution according to official regulatory information. This is due to the potential for increased sensitivity to the medicine and the possibility of other underlying health issues.


Q: Why do some people say Echnatol didn't work for them?

A: Research evidence indicates that the results from clinical studies apply only to the patient populations studied. Due to limitations and gaps in research information, individual patient responses to the medicine may vary.

How should Echnatol be stored and disposed of?

How to Store and Dispose of Echnatol?

This section outlines the official, mandatory requirements for the storage and disposal of Echnatol as defined in regulatory labeling.


Storage Requirements

  • Temperature: Store below 25 C and do not freeze.
  • Protection: Keep the product in its original package to protect it from light and moisture.
  • Handling: Keep Echnatol strictly out of the sight and reach of children.
  • Stability: If applicable, any remaining product must be discarded after a specified period following first opening or reconstitution.

Disposal Requirements

  • Prohibited Methods: Do not dispose of Echnatol via wastewater (e.g., flushing) or household waste.
  • Mandatory Return: Unused or expired Echnatol must be returned to a pharmacy or designated pharmaceutical waste collection point to ensure proper disposal in accordance with local environmental regulations.

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

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