Авиамарин

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Авиамарин

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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 Авиамарин

Quick Facts

Property Description
Active Ingredient Dimenhydrinate
Pharmacological Class Antiemetic Agent, First-Generation Antihistamine
Form Oral Tablets, Chewable Tablets, Oral Solutions
Common Use Relief and prevention of symptoms from motion sickness
Origin Synthetic, Combination Drug

Defining Авиамарин: Type, Class, and General Purpose

Авиамарин is a medicinal preparation containing the active substance Dimenhydrinate. It is classified as an Antiemetic Agent and a first-generation H1-receptor antagonist. The drug's primary general purpose is to provide both prophylactic and symptomatic relief for the distress caused by motion sickness, which includes feelings of nausea, vomiting, and dizziness (vertigo). Dimenhydrinate is utilized to prevent and manage these symptoms for travelers and individuals with vestibular sensitivity.

Compositional Identity: Is Dimenhydrinate a Combination Drug?

Dimenhydrinate is a synthetic combination product, existing chemically as a theoclate salt where two distinct molecules are chemically bonded. The essential components are the antihistamine Diphenhydramine and the mild CNS stimulant 8-Chlorotheophylline. This chemical structure is a key differentiating feature from single-entity antihistamines, as the inclusion of 8-Chlorotheophylline is intended to offset the CNS depressant effect typically associated with the Diphenhydramine moiety. The preparation is available in several forms, including oral tablets, chewable tablets, and oral solutions or syrups.

Antihistamines and Motion Sickness: The Role of the Drug Class

The drug’s pharmacological class is central to its utility, as its function involves impacting the neural pathways associated with balance. The action is based on the antagonism of H1 histamine receptors, which reduces the sensory input that the brain processes as vestibular overstimulation. This mechanism provides the foundation for the drug’s role in preventing and relieving the acute discomforts associated with the body’s response to erratic movement, supporting its use for symptomatic relief.

Regulatory References

  1. MedlinePlus

What side effects are possible with Авиамарин?

Possible side effects and safety information

The official safety profile for Dimenhydrinate (the active ingredient in Авиамарин) is largely characterized by effects typical of first-generation antihistamines, as documented by government regulatory authorities.


Frequency and System-Based Safety Classification

Adverse reactions are classified by frequency and grouped into System-Organ Classes (SOC). The most Very Common and Common effects are linked to the Nervous System Disorders and Gastrointestinal Disorders.

Classification Common Adverse Reactions Affected System
Very Common / Common Drowsiness, Sedation, Dizziness Nervous System Disorders
Common Dry Mouth, Constipation, Blurred Vision Gastrointestinal & Eye Disorders

Less common effects may include Headache, Insomnia, Urinary Retention, and Palpitations, which are classified under other SOC categories such as Renal and Urinary Disorders and Cardiac Disorders.


Safety Considerations for Specific Populations and Restrictions

Regulatory documents include specific safety statements for certain groups and conditions:

  • Older Adults are noted to have an increased susceptibility to adverse reactions, particularly dizziness, sedation, and effects related to the medicine's anticholinergic properties (e.g., confusion, urinary retention).
  • Children may rarely experience a Paradoxical Excitation (restlessness or insomnia) reaction rather than the expected sedation.
  • High-level safety restrictions advise caution or contraindication in conditions such as acute asthma attack, narrow-angle glaucoma, and prostatic hypertrophy.

The risk of drowsiness is explicitly noted to be significantly enhanced when the medicine is used concurrently with other Central Nervous System depressants, including alcohol. Serious adverse reactions, though rare, are documented and include clinically significant effects on the Cardiovascular System like Hypotension.

Overdose and Emergency Response

Overdose with dimenhydrinate is officially documented to present with serious and potentially life-threatening clinical manifestations, requiring immediate emergency intervention. The documented clinical picture often includes a biphasic pattern of central nervous system (CNS) toxicity. This can involve profound CNS depression, resulting in deep drowsiness or coma, but may also include CNS stimulation, characterized by agitation, confusion, hallucinations, and unsteadiness. In pediatric patients, the stimulatory effects, including convulsions and seizures, are particularly noted as increasing the severity and risk of fatal outcomes.

The official regulatory profile emphasizes the risk of severe systemic outcomes, including serious cardiac arrhythmias, significant hypotension, and respiratory depression. Further signs consistent with anticholinergic syndrome are documented, such as fixed and dilated pupils, urinary retention, and flushing.

Because of the potential for life-threatening complications like seizures and severe cardiac events, regulatory authorities mandate that immediate medical attention must be sought in all cases of suspected overdose. There is no specific pharmacological antidote documented; therefore, official management procedures focus on symptomatic and supportive treatment, including continuous monitoring of vital signs and ECG, along with standard procedural measures like gastric decontamination or the use of intravenous benzodiazepines to control convulsions.

Therapeutic Uses of Авиамарин

What Авиамарин Treats: Main Uses and Benefits

The primary role of this medication is to provide symptomatic relief across key discomfort domains. The active ingredient is used to help manage symptoms associated with motion sickness, including nausea, vomiting, and dizziness.

This medicine is applicable across settings that involve acute or unstable symptom patterns, applied when symptoms create noticeable interference with daily stability. It offers short-term assistance in symptom stabilization, contributing to easing the overall symptom load.

“The support provided helps ease the overall burden of symptoms and contributes to improved day-to-day comfort during periods of heightened symptoms.”

It is relevant for conditions characterized by episodic or fluctuating symptom patterns, helping to address symptom clusters that may become intense or disruptive.

Quick Fact: Relief for Motion-Related Discomfort
Used in areas where short-term symptom management for nausea and vomiting is appropriate, supporting functional stability during travel.

Regulatory References

  1. FDA DailyMed Drug Label

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Авиамарин (Dimenhydrinate) — Official Regulatory Information

Populations for whom use is allowed (as stated in label):

  • Adults and children 12 years of age and over (approved for standard use).
  • Children 2 to under 12 years of age (approved for use with restricted, age-specific limits).

Populations for whom use is contraindicated:

  • Patients with known hypersensitivity to Dimenhydrinate, Diphenhydramine, or 8-Chlorotheophylline.
  • Neonates and premature infants; the medicine is also contraindicated in children under 2 years of age by various regulatory bodies.

Condition-specific eligibility rules:

  • Use is contraindicated or must be exercised with caution in patients with conditions sensitive to anticholinergic effects, such as narrow-angle glaucoma, prostatic hypertrophy, and pyloroduodenal obstruction.
  • Severe renal impairment and severe hepatic impairment are often listed as contraindications for this drug or its combination products.

Pregnancy and lactation eligibility status:

  • Pregnancy: Classified by the FDA as Category B; however, use is generally not recommended by many national authorities unless clearly needed.
  • Lactation: Use is not recommended for nursing mothers, due to the drug being excreted in breast milk and the potential for adverse effects on the infant.

Connection to the overall eligibility profile: Regulatory documents establish absolute non-eligibility for infants and for individuals with hypersensitivity. For other populations, eligibility is defined by constraints, requiring caution for older adults, pregnant/nursing women, and individuals with specific comorbidities (e.g., organ impairment, glaucoma) to mitigate potential risks.

What should I know about interactions with other medicines?

The official regulatory documents for Dimenhydrinate define the interaction profile through several documented patterns, based strictly on pharmacodynamic and pharmacokinetic principles.

Documented Pharmacodynamic Interactions

The primary interaction involves additive pharmacodynamic effects. Co-administration with Central Nervous System (CNS) depressants, including alcohol or medicinal products such as hypnotics and opioids, is restricted due to the enhanced risk of sedation and central nervous system depression. A second constraint involves potentiation of effects: concurrent use with other Anticholinergic Drugs (e.g., tricyclic antidepressants) is noted to increase the risk of intensified anticholinergic outcomes.

A unique pharmacodynamic concern is the drug's potential to mask the signs of ototoxicity (such as dizziness or tinnitus) caused by co-administered Ototoxic Drugs like aminoglycoside antibiotics, which prevents the detection of damage.

Metabolic and Timing Restrictions

Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is a formally designated restricted combination and is subject to a timing rule, requiring separation of administration for at least 14 days after stopping MAOI therapy. The active component is also documented as an inhibitor of the CYP2D6 enzyme, a pharmacokinetic pattern suggesting a potential for increased plasma exposure of other medicines metabolized by this pathway. Regulatory documents note that the Elderly population has an increased susceptibility to anticholinergic effects. No specific interactions with food or non-alcoholic beverages are formally documented.

Mechanism of Action

The drug's primary action is executed by its Diphenhydramine component, which acts as an antagonist at both the Histamine H1 and Muscarinic Acetylcholine ( M1) receptors within the brainstem. This dual-receptor blockade directly suppresses the heightened signaling that transmits from the inner ear's vestibular system to the Emetic Center, suppressing the central reflex arc responsible for emetic responses.

Structurally, the preparation is a combination product that includes the mild CNS stimulant 8-Chlorotheophylline. This second component targets and blocks Adenosine receptors in the brain, thereby acting to counteract the inherent CNS depressant effect associated with the effective H1 receptor blockade. This functional synergy results in reduced central sedation while preserving suppression of the emetic pathways.

The action is highly effective in contexts requiring prophylactic pathway disruption, meaning it performs best when the central receptors are blocked before the emetic cascade becomes fully operational. Consequently, the mechanism exhibits reduced suppressive capacity against an already fully established, maximal reflex cascade.

Dosage and Administration Information

The administration of Авиамарин (Dimenhydrinate) involves specific parameters regarding its route, dose, and frequency. The medication is utilized via the oral route (tablets or solutions), the rectal route (suppository), and the parenteral route (Intramuscular or Intravenous injection), where injectable forms are used when oral administration is not feasible.


Standard Administration and Dosing

For adults and adolescents 12 years of age and older, the typical oral dose ranges from 50 mg to 100 mg per administration. This dose is sometimes repeated as needed, typically every 4 to 6 hours, provided the total intake does not exceed a 400 mg maximum within any 24-hour period. For prophylactic purposes, the initial dose is typically administered in advance, usually 1/2 to 1 hour before the start of the activity.


Population and Procedural Rules

Dosage for pediatric patients is tiered, with variations based on the child's age group and weight. For the parenteral route, administration involves specific procedural steps: the intravenous solution is diluted prior to injection and administered slowly, at a rate not exceeding 25 mg/min. These details describe the common approach to the drug’s administration.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Авиамарин (Dimenhydrinate)


Research Evidence for Preventing Motion Sickness During Travel

Research exploring how symptoms change over time for motion sickness primarily involves short-term, randomized controlled trials (RCTs) and systematic reviews. These trials typically examined healthy adults exposed to motion. Studies monitored the non-occurrence of symptoms such as nausea, vomiting, and vertigo when the medicine was provided in the study setting. Data show patterns related to a lower proportion of individuals reporting motion sickness symptoms in studies where the medicine was provided in advance. However, findings were mixed under highly controlled experimental conditions.

The existing studies provide limited insight into whether research has explored the outcomes of using the medicine after motion sickness symptoms have already started. The scope of the evidence is chiefly descriptive of monitoring prevention, not treatment, and long-term effects are not fully established.


Research Evidence for Use in Postoperative Nausea and Vomiting (PONV)

This medicine was evaluated in research exploring the prevention of postoperative nausea and vomiting (PONV) in at-risk adults and children. The evidence base includes a number of RCTs and synthesis studies that monitored outcomes within the first 48 hours after an operation. Findings describe patterns observed in the studies related to the proportion of participants achieving the study endpoint of absence of nausea and vomiting.

Studies monitored how the drug's observed patterns compared to other agents used for PONV prophylaxis, although certainty remains low across all surgical contexts. A limitation noted in the research is that the dose-response relationship for this specific use is not consistently characterized.


Gaps in the Research: Areas of Scientific Uncertainty

A key limitation noted in the research is that the results apply only to the populations studied. For motion sickness, there is a clear research gap concerning the use of the medicine once symptoms are already established. Furthermore, evidence quality varies across studies, and data for certain groups, such as children or for long-term continuous use, remain insufficient.

Key Studies & References

  1. Dimenhydrinate Tablet Label - DailyMed

Frequently Asked Questions (FAQ)

Common questions about Авиамарин (FAQ)


Q: How long does it take for Авиамарин to start working after I take it?

Official product information indicates that the antiemetic effects of the medicine typically begin to develop in about 15 to 30 minutes following oral administration. Official guidelines for preventative use indicate that the initial administration should occur prior to the start of the activity.


Q: Can Авиамарин still be effective if I take it after I already start feeling sick?

Regulatory indications state the medicine is used for both the prevention and treatment of motion sickness symptoms. However, its pharmacological action is described as being primarily optimized for use before the onset of motion sickness. There is a documented research gap concerning its use once symptoms have already become fully established.


Q: Does the official information mention any specific long-term effects of using Авиамарин regularly?

Regulatory documents state that the medicine should not be used continuously for longer than two weeks. Some official sources also note that the development of tolerance may occur with continuous use.


Q: Is it safe to use Авиамарин if I am planning to drive later in the day?

Due to the common risk of drowsiness and dulling of mental alertness, official warnings advise that individuals must exercise caution when driving or operating machinery until they are aware of how the medicine affects their mental alertness.


Q: If I only take Авиамарин occasionally, will I still experience side effects?

Side effects such as drowsiness, dizziness, and dry mouth are documented as Very Common or Common adverse reactions. This classification indicates they can occur in a high proportion of individuals, regardless of whether the medicine is used occasionally or regularly.


Q: Is it possible to develop a tolerance to the effects of Авиамарин?

Official warnings note that tolerance may develop with continuous or prolonged use of the medicine. Tolerance refers to a change in response that may occur with continuous or prolonged use.


Q: How quickly do the unwanted effects, like sleepiness, usually wear off?

The documented duration of the medicine's overall effect typically lasts for about 3 to 8 hours following a single dose. This duration provides the approximate resolution time for common effects like drowsiness.


Q: What is the main difference between Авиамарин and common motion sickness tablets?

The official composition of Авиамарин is a synthetic combination of the antihistamine Diphenhydramine and the mild central nervous system stimulant 8-Chlorotheophylline. This combination is intended to counteract the sedation often associated with the antihistamine component alone.


Q: Can Авиамарин be taken by adults who are flying for the first time?

The medicine is officially indicated for the prevention and relief of motion sickness. This indication covers symptoms caused by various forms of movement, including air travel.


Q: Is Авиамарин the same ingredient as what is sold in other countries?

The active ingredient is Dimenhydrinate, which is a single chemical entity with an International Nonproprietary Name. This ingredient is consistently available worldwide but is marketed under different local brand names.


Q: What kind of research has been done on the use of Авиамарин for car sickness?

Research evidence primarily focuses on the medicine's use for preventing and relieving symptoms of motion sickness generally. Since car sickness is a common type of motion sickness, the general research findings apply to this use case.


Q: How long do the effects of Авиамарин last after one dose?

Following a single dose, the effects of the medicine are generally documented to last between 3 and 8 hours.


Q: Are there different strengths or versions of Авиамарин available?

Yes, the official product information notes that the medicine is available in various forms, including oral tablets, chewable tablets, and oral solutions (syrups), with different available strengths.


Q: What evidence is there about the effectiveness of Авиамарин for extreme turbulence on a plane?

Research evidence generally describes the medicine’s effectiveness in preventing motion sickness symptoms during travel. This includes symptoms that may be brought on by changes in movement such as those experienced during air turbulence.


Q: What does the patient leaflet say about taking Авиамарин on an empty stomach?

Official patient information states that the medicine may be taken orally with or without food, according to the official patient information.


Q: Does Авиамарин help with vertigo that is not caused by travel?

Regulatory documents indicate that the medicine is used for the symptomatic treatment of nausea and vertigo caused by motion sickness. The medicine is also indicated for vertigo due to Meniere’s disease and other labyrinthine disturbances.


Q: How should Авиамарин be used if a trip lasts longer than one day?

Administration is defined by a maximum daily dose (typically 400 mg for adults) that should not be exceeded within 24 hours. Official regulatory documents define a maximum continuous use period (typically not longer than two weeks).


Q: Can Авиамарин be used to help with nausea from things other than motion?

Regulatory indications include the use of the medicine for symptoms associated with motion sickness. It is also indicated for the control of nausea and vomiting related to conditions such as postoperative vomiting and drug-induced nausea and vomiting.


Q: Is it generally acceptable to use Авиамарин for very short commutes (e.g., 20 minutes)?

The initial dose for prevention is recommended to be taken 30 minutes to 1 hour before motion begins. Since the onset of effect is documented to occur within 15 to 30 minutes, this should be considered when planning use for short-duration travel.


Q: Does the research say about the use of Авиамарин for preventing sickness versus treating it?

The medicine is indicated for both prevention and treatment. However, research evidence primarily describes patterns related to the medicine’s use for preventing symptoms, while noting a gap in the evidence base concerning use once symptoms are already established.


Q: What are the general expectations for relief when using Авиамарин?

The general expectation, as defined by official regulatory purpose, is to achieve symptomatic relief for the distress caused by motion sickness. This includes reducing feelings of nausea, vomiting, and dizziness (vertigo).


Q: What is meant by 'non-prescription use' when discussing Авиамарин?

Non-prescription use means the product is classified as an over-the-counter (OTC) medicine. This designation indicates that the product is legally available for purchase without requiring a medical prescription.


Q: How does the official information explain why Авиамарин might cause blurry vision?

Blurry vision is classified as a common side effect. The official mechanism of action includes antagonism at Muscarinic Acetylcholine receptors, and this anticholinergic property is generally attributed to causing effects like blurred vision.


Q: Why do official sources sometimes advise against using Авиамарин with certain other medicines?

Official sources advise caution primarily because of the potential for additive pharmacodynamic effects, such as increased sedation when combined with other Central Nervous System depressants. It is also noted that the medicine may mask signs of ototoxicity (ear damage) caused by certain co-administered medicines.


Q: Is there a maximum number of days in a row that Авиамарин is intended to be used?

Official documents state that the medicine should not be used continuously for a period longer than two weeks.

How should Авиамарин be stored and disposed of?

Storage and Disposal of Dimenhydrinate


Storage Conditions

Dimenhydrinate (Авиамарин) must be stored at controlled room temperature, which is officially defined as 20 C to 25 C (68 F to 77 F). The product must be stored in its original container and be protected from moisture to maintain its stability. For child safety, the medication must be kept out of the reach of children.


Disposal Requirements

Unused or expired Dimenhydrinate must be disposed of properly according to local regulations. Regulatory guidance explicitly states that the medicine must not be disposed of in household waste or flushed down the toilet (wastewater). Consult a pharmacist regarding proper pharmaceutical collection and disposal procedures for unused or expired quantities.

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

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