Аллергодил

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Аллергодил

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Treatment option: Rhinitis, Hay Fever

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 Аллергодил

Quick Facts

Property Description
Active Ingredient Azelastine Hydrochloride
Form Topical (Nasal spray solution; Ophthalmic solution)
Pharmacological Class Second-Generation Antihistamine and Antiallergic agent
Origin Synthetic Phthalazine derivative

Аллергодил is a well-established anti-allergy medication intended for localized treatment, classified as a modern, second-generation antihistamine. This classification is characterized by the drug providing rapid symptomatic relief while maintaining a favorable profile compared to earlier antihistamines. Its primary function is to neutralize the body's reaction to allergens, offering a targeted solution for common irritations without the need for systemic absorption typically associated with oral tablets.


What Type of Medicine is Аллергодил?

Аллергодил is an Antiallergic agent containing the active ingredient, Azelastine Hydrochloride. Azelastine is a synthetic compound, chemically identified as a Phthalazine derivative, which functions to suppress allergic reactions directly at the point of application. Its mechanism of action is dual-acting: it acts as a selective H₁-receptor antagonist and also possesses mast cell stabilizing properties. It is a single active ingredient product, focusing the full therapeutic action on managing local symptoms effectively.


What are the Available Forms of Azelastine?

The medication is specifically formulated for topical administration, available as an ophthalmic solution (eye drops) and a nasal spray solution. This focused delivery method ensures that the Azelastine Hydrochloride is directly applied to the primary site of allergic irritation, such as the nasal mucosa during hay fever season. This topical approach is a distinctive feature of this medicine, ensuring the active ingredient is delivered in an aqueous solution to maximize local relief, which is a key factor in treating symptoms where the allergy is focused.


How Does Azelastine Work and What is its Purpose?

Azelastine is primarily intended to provide localized relief from the discomfort associated with allergies. Its dual-acting capability is its core purpose, as it swiftly blocks the effects of histamine (the substance responsible for acute symptoms like itching) while simultaneously preventing the release of other inflammatory substances through its mast cell stabilizer action. The general purpose of Аллергодил is thus to effectively reduce the overall allergic inflammatory response and provide localized symptomatic relief.

What side effects are possible with Аллергодил?

Possible Side Effects and Safety Information

This section summarizes officially documented adverse reactions and safety restrictions for Azelastine (Аллергодил) as recognized by governmental regulatory authorities.

Adverse Reactions

The most common adverse reactions reported include a bitter taste (dysgeusia), headache, and somnolence (drowsiness). Other frequently reported local and systemic reactions include nasal burning or discomfort, pharyngitis, nosebleeds (epistaxis), sneezing, nausea, dizziness, and dry mouth. Less common reactions spanning various system-organ classes have been documented, such as flushing, anxiety, and weight increase.

Patients should be aware of the possibility of allergic reactions, including hives, difficulty breathing, or swelling of the face, lips, tongue, or throat, which require immediate medical attention.

Category Common Reactions (Examples)
Local Nasal Bitter taste, nasal burning, epistaxis, sneezing, pharyngitis
Systemic/CNS Headache, somnolence, dizziness, fatigue, dry mouth

Safety Restrictions and Warnings

Somnolence Warning: The medication is associated with the occurrence of somnolence (drowsiness). Patients should be cautioned against engaging in activities requiring complete mental alertness and motor coordination, such as driving or operating heavy machinery, until they know how the drug affects them.

Drug-Alcohol Interaction: Concurrent use with alcohol or other Central Nervous System (CNS) depressants should be avoided. This combination can lead to additive reductions in alertness and increased impairment of CNS performance.

Contraindications: Azelastine is contraindicated in individuals with a known hypersensitivity to azelastine hydrochloride or any component of the formulation. Caution is advised for its use during pregnancy and lactation, where a risk-benefit assessment must be made.

Safety Summary: The safety profile is defined by local site effects and a primary systemic caution regarding CNS depression. Regulatory guidance emphasizes avoidance of activities that require heightened mental alertness and strict prohibition of concurrent use with alcohol or other depressants due to the risk of compounded sedation.

Overdose and Emergency Response

Overdose and when to seek help — Official Regulatory Information

Regulatory documents from health authorities define the official overdose profile for Azelastine Hydrochloride, detailing the documented effects and mandatory actions.

Element Official Regulatory Statement
Documented Overdose Manifestations The primary documented sign is somnolence (drowsiness) and general Central Nervous System (CNS) disturbances [FDA DailyMed, EMA SmPC].
Population-Specific Risk Accidental oral ingestion by a child is officially noted as having the potential for serious harm [FDA DailyMed].
Antidote Information No known specific antidote exists for the active ingredient [EMA SmPC].

Required Emergency Actions

Immediate medical attention is officially required in the event of a suspected overdose or if excessive amounts of the medicine are used. Regulatory labeling specifies the following mandatory actions:

  • Seek emergency medical attention immediately [FDA DailyMed].
  • Call the Poison Help line or a healthcare provider/nearest hospital emergency room right away [NIH MedlinePlus].

This urgent help-seeking is particularly critical if a child accidentally swallows the topical solution. Since no specific antidote is available, overdose management must be restricted to symptomatic and supportive treatment as mandated by regulatory documents [EMA SmPC]. The official profile is therefore structured to ensure immediate professional help is sought to manage the CNS effects and address the specific risks of accidental ingestion.

Therapeutic Uses of Аллергодил

What Аллергодил Treats: Main Uses and Benefits

Аллергодил (Azelastine) is used to help relieve symptoms associated with allergic rhinitis and certain non-allergic conditions. The medication is applied across therapeutic domains where additional symptomatic support is needed to address symptoms that interfere with daily functioning.

This medication is relevant for managing conditions characterized by periods of heightened symptoms, including both seasonal hay fever and perennial (year-round) allergies, as well as allergic conjunctivitis. It is commonly used to help with the core symptom clusters of sneezing, nasal itching, runny nose, nasal congestion, ocular itching, and watering eyes.

In situations where patients experience heightened symptoms, its application may assist with easing the overall symptom load. This support may assist with maintaining functional stability and helps improve day-to-day comfort during symptomatic periods.

Quick Fact: Addressing Nasal and Ocular Symptoms

Supportive symptom management is appropriate for both moderate and acute symptomatic episodes, particularly when symptoms of nasal congestion or eye irritation become momentarily overwhelming.

Regulatory References

  1. NIH MedlinePlus Drug Information overview

Eligibility and Restrictions for Use

Official Eligibility Profile

The eligibility for Azelastine Hydrochloride (Аллергодил) is determined by specific regulatory criteria concerning age and physiological status. This information is derived exclusively from governmental prescribing information.

Contraindicated Populations

Use is contraindicated in patients with a known hypersensitivity (allergy) to Azelastine Hydrochloride or any other component in the formulation.

Age-Related Eligibility

Formulation Approved Minimum Age
Nasal Spray (Rhinitis) 6 years of age and older
Ophthalmic Solution 3 years of age and older

Use is not established or not recommended for children below these specific age thresholds. For vasomotor rhinitis, the nasal spray is typically indicated for those 12 years of age and older.

Specific Limitations and Restrictions

  • Pregnancy and Lactation: Use during pregnancy is generally not recommended or advised only with caution due to insufficient human safety data. For lactation, use is generally not recommended as Azelastine is excreted into breast milk.
  • Organ Function: Safety and efficacy have not been established in controlled studies for patients with severe hepatic or renal impairment.
  • CNS Depressants: Patients should avoid concurrent use with alcohol or other Central Nervous System (CNS) depressants due to potential additive effects on alertness.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Azelastine Hydrochloride (Аллергодил) is primarily influenced by the risk of additive effects on the central nervous system (CNS) and documented changes in systemic drug exposure.

Pharmacodynamic Interactions

Co-administration with alcohol and other CNS Depressants (such as sedating antihistamines or tranquilizers) is officially documented in regulatory labels to cause additive CNS depressant effects. This includes an increased reduction in alertness and further impairment of CNS performance. The simultaneous use of these substances is noted to be avoided.

Pharmacokinetic Interactions

While Azelastine is administered topically (nasal or ophthalmic), the systemic absorption can be affected by specific substances. Cimetidine is documented to have caused a significant 65% increase in the mean maximum concentration (Cmax) and AUC of Azelastine in studies, indicating a pharmacokinetic interaction that raises systemic exposure.

Conversely, studies with Erythromycin and Ranitidine officially documented no effect on Azelastine pharmacokinetics, confirming they do not alter the drug's systemic levels.

Population-Specific Considerations

Official prescribing information notes that reduced clearance in subjects with renal impairment (kidney function decline) resulted in a 70–75% higher systemic exposure (Cmax and AUC) compared to healthy subjects, which is a documented consideration related to the product’s clearance and systemic drug levels.

Mechanism of Action

Аллергодил functions primarily as a selective H1-receptor antagonist. Its action involves competitively binding to the H1 receptors found on various cell types, including vascular endothelial cells and smooth muscle cells. This high-affinity binding blocks the endogenous ligand, histamine, from activating the receptor complex, thereby preventing the Gq-mediated intracellular signaling cascade.

Simultaneously, the compound exhibits mast cell-stabilizing activity. This mechanism involves modulating calcium ion flux within immune cells, which prevents the degranulation process. By inhibiting degranulation, the agent suppresses the release of pro-inflammatory mediators from storage granules, including histamine, leukotrienes, and kinins, into the local environment.

The system-level consequence of these molecular actions is the stabilization of local vascular permeability and the inhibition of H1-mediated neural stimulation. By maintaining cellular and vascular integrity and limiting inflammatory signaling, the drug attenuates the characteristic physiological changes that result from localized Type I hypersensitivity reactions.

Dosage and Administration Information

How to Use Аллергодил: Official Administration Guidelines

The usage of Azelastine Hydrochloride is determined by its designated delivery method, which is topical administration, applying the active ingredient directly to the site of symptoms. The medication is used via the intranasal route as a spray solution and the ophthalmic route as an eye drop solution.

Labeled Dosing Regimens

The frequency of use is predominantly twice daily (BID), which is the standard regimen for both the nasal spray and the ophthalmic solution. An alternative regimen of once daily (QD) is used for the 0.15% nasal spray concentration when treating seasonal allergic rhinitis in adults.

Formulation and Indication Standard Regimen (Adults ge 12 Years) Pediatric Administration
Nasal Spray (Rhinitis) 1 to 2 sprays per nostril BID (or 2 sprays QD) 1 spray per nostril BID (from ages 2-5 years)
Ophthalmic Solution (Conjunctivitis) 1 drop in each affected eye BID 1 drop in each affected eye BID (from age 3 years)

Administration Procedures and Patterns

The nasal spray requires priming before first use—typically 4 to 6 sprays—and requires reprimed if unused for 3 or more days to ensure an accurate dose delivery. For ophthalmic use, a procedural constraint requires that soft contact lenses be removed prior to instillation and re-inserted after a specified time (e.g., 10 to 15 minutes). The administration protocol covers use for both short-term symptomatic relief and long-term maintenance therapy for chronic conditions, such as up to 12 months for perennial rhinitis.

If a dose is missed, the standard procedure is to take the next dose at the regular time and avoid attempts to compensate with a double dose.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Аллергодил

Research exploring Azelastine was conducted in contexts related to localized allergic and non-allergic conditions. The available evidence, drawn from Randomised Controlled Trials (RCTs) and other controlled studies, was evaluated against a placebo (an inactive substance) or other established treatments under controlled research conditions.


Evidence for Use in Seasonal and Perennial Rhinitis

For Seasonal Allergic Rhinitis (SAR) and Perennial Allergic Rhinitis (PAR), research primarily involved short-term RCTs, typically lasting a few weeks. Studies examined changes in the Total Nasal Symptom Score (TNSS), a composite measure of symptoms like running, itching, and congestion, and explored the time required to detect initial symptom measurement changes. Comparative evidence remains varied for Azelastine against all available newer treatments.


Evidence for Ophthalmic and Non-Allergic Use

The eye drop formulation was studied for Allergic Conjunctivitis using RCTs and specialized Conjunctival Antigen Challenge studies. These trials measured the severity of ocular itching and conjunctival redness. For Non-Allergic (Vasomotor) Rhinitis (VMR), a smaller number of short-term controlled studies measured the Total VMR Symptom Score (TVRSS). The research base for this specific condition is characterized by a smaller number of studies.


Study Limitations and Gaps

Azelastine was studied in populations that included children and adolescents, but data for the youngest pediatric age groups remains insufficient. Dedicated long-duration efficacy RCTs are limited, meaning long-term effects are not fully established regarding sustained functional outcomes or continuous use over many months. The research contributes context but does not determine whether an individual will respond similarly.

Key Studies & References

  1. Azelastine Hydrochloride Nasal Spray Drug Information

Frequently Asked Questions (FAQ)

Common questions about Аллергодил (FAQ)


Q: Can Аллергодил be used for non-allergic causes of a runny nose?

Yes, official regulatory documents indicate that Azelastine nasal spray is also approved for treating symptoms of Vasomotor Rhinitis (VMR). VMR is a non-allergic condition characterized by chronic sneezing or a runny nose. This confirms that the product's use is not limited solely to allergy-related issues.


Q: How quickly should a person expect to feel the relief after using Аллергодил?

Studies examined in the official product information indicate that a statistically significant reduction in nasal symptoms compared to placebo has been documented relatively quickly. Initial symptom measurement changes were observed within 3 hours after the first dose was administered. Individual physiological responses to medication may vary.


Q: How long does the effect of one application of Аллергодил typically last?

The official documentation is based on dosing regimens that are typically administered twice daily. In clinical trials, the decrease in symptoms was observed to persist throughout the 12-hour dosing interval. This dosing pattern suggests that symptomatic relief is intended to cover an approximate 12-hour period.


Q: Is there any official information on the long-term use safety of Аллергодил?

Regulatory documents confirm that the adverse reaction profile of Azelastine is established through clinical trials that examined use for periods up to 6 to 12 months for perennial rhinitis (year-round allergies). The safety profile is documented based on the clinical study periods, and decisions regarding continuous, extended use are typically made by a healthcare provider.


Q: Can Аллергодил be used at the same time as other allergy tablets (oral antihistamines)?

Official warnings state that the medicine should be used with caution alongside other medications that affect the Central Nervous System (CNS), a category that includes some oral antihistamines. Combining these substances may result in an additive CNS depressant effect, which is officially described as an increased reduction in alertness.


Q: Are there different strengths or concentrations of the active ingredient in Аллергодил?

Yes, regulatory documentation confirms that Azelastine Hydrochloride is available in different concentrations for the nasal spray formulation. The labeling for the nasal spray lists different available concentrations, including a 0.1% solution and a 0.15% solution.


Q: Does the official information indicate any effect on sense of smell or taste besides bitterness?

The most common local side effect reported is a bitter taste (dysgeusia). While the product information focuses on this frequently reported issue, there is no common or frequently reported adverse reaction specifically labeled for loss of smell (anosmia) in the official documents.


Q: Is there an interaction listed between Аллергодил and certain antidepressant medications?

Official warnings advise avoiding concurrent use with any Central Nervous System (CNS) depressants, a category that can include certain types of antidepressant medications. Official warnings state that combining these substances may lead to compounded sedation due to the drug's classification as a CNS depressant.


Q: Why do some users report a bitter taste after using Аллергодил?

The bitter taste (dysgeusia) is listed as a commonly reported adverse reaction to the nasal spray. Official patient instructions related to administration technique are often designed to help minimize the medicine running down the throat, which is thought to be the cause of the bitter taste.


Q: Are there any general food interactions listed for Аллергодил?

Regulatory information indicates that there are no known interactions between Azelastine nasal spray and general food or non-alcoholic drinks. The drug can typically be taken without concern for meal timing.


Q: Does Аллергодил interact with common pain relievers like Ibuprofen?

Official drug interaction information generally confirms that there is no known interaction between Azelastine nasal spray and nonsteroidal anti-inflammatory drugs (NSAIDs), such as Ibuprofen. It is important that a patient's full list of medications is reviewed by a healthcare provider.


Q: Is Аллергодил indicated for treating symptoms related to the common cold or only allergies?

The primary indications for the medicine are for the treatment of symptoms related to Allergic Rhinitis (seasonal and perennial) and Vasomotor Rhinitis (non-allergic). The product is not specifically indicated for the symptoms of the common cold or viral upper respiratory infections.


Q: Does the official labeling mention any potential effect of Аллергодил on blood pressure?

Official documents note that uncommon adverse reactions reported in clinical trials have included effects on the cardiovascular system, such as hypertension (high blood pressure) and tachycardia (fast heart rate). These potential effects are documented in official safety information for reference.


Q: What is the official information regarding interactions with supplements or herbal products?

Official patient guidance emphasizes the importance of transparency regarding all substances consumed. Official patient guidance emphasizes that all prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements should be reviewed with a healthcare provider.


Q: Can Аллергодил be safely used by elderly individuals?

Pharmacokinetic studies have shown that the way the body processes Azelastine (pharmacokinetics) is not generally influenced by age in adults. Additionally, the adverse events reported in elderly patients in trials were largely similar to those observed in younger adults.


Q: Why is it recommended not to share the Аллергодил nasal spray bottle?

Regulatory patient counseling information specifically recommends not sharing the nasal spray bottle with other people. This is a common hygiene measure intended to prevent the potential spread of germs or infection between users.

How should Аллергодил be stored and disposed of?

How to Store and Dispose of Azelastine (Аллергодил)

Official regulatory guidelines mandate specific conditions for storing and disposing of Azelastine to maintain product integrity.

Storage Requirements

Condition Regulatory Mandate
Temperature Store at controlled room temperature, typically 20 C to 25 C.
Protection Must be protected from heat, moisture, and direct light; do not freeze the solution.
Container Keep the product in its original container and ensure the bottle is tightly closed when not in use.
Child Safety Keep out of the sight and reach of children at all times.

Stability and Disposal

The ophthalmic solution must be discarded 4 weeks after the bottle is first opened. The nasal spray is to be discarded after the labeled number of metered sprays. Expired or unused medicine must not be disposed of in household trash or wastewater, but must be returned to a pharmacy or designated collection point.

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

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