Нафтизин

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Нафтизин

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Method of action: Vasoconstrictor

Treatment option: Laryngitis, Rhinitis

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Нафтизин

Quick Facts

Property Description
Active Ingredient Naphazoline Hydrochloride
Form Topical Solution (e.g., Nasal Drops, Ophthalmic Solution)
Pharmacological Class Sympathomimetic Agent (alpha-Adrenergic Agonist)
General Purpose Relief of Congestion and Swelling
Origin Synthetic

What Type of Drug is Naphazoline Hydrochloride?

Naphazoline Hydrochloride is the specific synthetic chemical entity that serves as the single active therapeutic ingredient in preparations known as Нафтизин. This drug is formally classified as a powerful, rapid-acting sympathomimetic agent, specifically an imidazoline vasoconstrictor. It possesses a high affinity for the alpha-adrenergic receptors. The preparation is typically marketed as a monocomponent solution, defining the drug’s direct and concentrated mechanism of effect.

Pharmaceutical Form and General Application

Naphazoline is designed exclusively for topical administration, commonly manufactured as a sterile, aqueous solution. The medicine is primarily available as nasal drops (Капли назальные) for intranasal use, a typical dosage form in many international markets, and is also found in ophthalmic solutions. The general purpose of this topical preparation is to provide temporary relief from the symptoms of swelling, such as when inflammation causes acute congestion. The drug achieves this benefit through its alpha-adrenergic agonist properties, which induce immediate, localized vasoconstriction. This physiological effect reduces tissue engorgement, resulting in a swift alleviation of symptoms associated with typical nasal congestion or conjunctival congestion.

Regulatory References

  1. DrugBank DBSALT000127 (Naphazoline hydrochloride)

What side effects are possible with Нафтизин?

Possible Side Effects and Safety Information

The safety profile of Naphazoline Hydrochloride (the active ingredient in Нафтизин) is defined by both common local reactions and the potential for systemic sympathomimetic effects, as documented in official regulatory sources.

Localized and Systemic Reactions

The most frequently classified adverse reactions are localized effects at the application site, often listed as common in regulatory documents. These include transient burning, stinging, and dryness of the nasal or ocular mucosa, along with occasional sneezing or temporary increased nasal discharge.

Systemic effects are generally classified as uncommon or of unknown frequency with proper topical use. These relate to the drug's alpha-adrenergic properties and may affect specific organ systems. Documented reactions include those in the Nervous System (e.g., headache, dizziness, nervousness) and Vascular/Cardiac Systems (e.g., palpitations, elevated blood pressure or hypertension).


Serious Adverse Reactions and Safety Constraints

Serious adverse reactions are primarily associated with accidental ingestion or excessive use. Of particular regulatory concern is the potential for profound Central Nervous System (CNS) depression and systemic toxicity, including coma and hypothermia, especially in the pediatric population. The official labeling requires caution for use in patients with pre-existing conditions such as hypertension, cardiac disease, and narrow-angle glaucoma.

A key safety pattern related to duration of use is the risk of Rhinitis Medicamentosa (rebound congestion). This condition, characterized by recurrent or exacerbated congestion, is explicitly associated with prolonged or excessive use of the medication.

Strict safety restrictions apply to patients taking Monoamine Oxidase Inhibitors (MAOIs), as concurrent use is contraindicated due to the risk of a severe hypertensive crisis.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Naphazoline Hydrochloride overdose is defined by the risk of serious systemic toxicity resulting from accidental ingestion, particularly in young children, where the outcome may be life-threatening. The following clinical manifestations are documented in government regulatory labeling following systemic absorption of the active ingredient:

Documented Overdose Manifestations

System Affected Officially Documented Signs
Central Nervous System (CNS) Somnolence, lethargy, profound sedation, stupor, and progression to coma.
Cardiovascular System Bradycardia (slow heart rate), hypotension (low blood pressure), and cardiac irregularities.
Other Hypothermia, marked weakness, and decreased respiration.

Emergency Actions Mandated by Regulators

Regulatory authorities explicitly highlight that infants and young children are highly sensitive to Naphazoline's systemic effects; ingestion of even small volumes (e.g., 1–2 mL) can precipitate severe adverse events requiring hospitalization.

Mandatory Action: Immediate medical attention is required upon any suspected accidental overdose or ingestion. Users must contact a Poison Control Center right away and seek emergency care to manage severe effects such as profound CNS depression, respiratory compromise, or circulatory shock.

Management Protocol: Due to the absence of a known specific antidote for imidazoline poisoning, official management procedures are limited to providing symptomatic and supportive treatment and continuous hospital monitoring for systemic instability.

Therapeutic Uses of Нафтизин

What Нафтизин treats: main uses and benefits

Нафтизин (Naphazoline) is a topical decongestant used to provide temporary relief from nasal congestion and discomfort. It belongs to the class of sympathomimetic amines and acts by constricting the blood vessels in the nasal passages.

Primary Indications

The medication is primarily used to manage symptoms associated with various respiratory and inflammatory conditions:

  • Acute Rhinitis: It helps reduce swelling of the nasal mucosa caused by the common cold or other viral infections.
  • Allergic Rhinitis: It addresses nasal congestion resulting from seasonal or perennial allergies, such as hay fever.
  • Sinusitis: By reducing mucosal edema, the medication can assist in improving drainage from the paranasal sinuses.
  • Eustachitis: It may be used to decrease swelling around the opening of the Eustachian tubes, helping to equalize pressure in the middle ear.

Therapeutic Benefits

The main benefit of Нафтизин is its rapid onset of action. Upon application to the nasal mucosa, it provides the following effects:

  • Reduction of Edema: The constriction of local arterioles leads to a decrease in blood flow to the treated area, which reduces swelling and redness.
  • Improved Airflow: By shrinking the swollen membranes, the medication clears the nasal passages, making it easier for the patient to breathe through the nose.
  • Facilitation of Medical Procedures: It is sometimes used by healthcare professionals to reduce swelling prior to rhinoscopy or other diagnostic examinations of the nasal cavity.
  • Hemostatic Effect: Due to its vasoconstrictive properties, it can be used to help diminish minor superficial bleeding, such as nosebleeds (epistaxis).

Regulatory References

  1. NIH DailyMed Naphazoline nasal guidance

Eligibility and Restrictions for Use

Official Eligibility Profile: Who Can and Cannot Use Naphazoline Ophthalmic

Naphazoline (often branded as Нафтизин) is a medicine subject to strict eligibility rules based on official governmental and regulatory documentation. These rules define individuals who are excluded from using the drug or for whom use must be strictly limited.

Contraindicated Populations (Must Not Use):

  • Individuals with narrow-angle glaucoma or an anatomically narrow angle, as use may dangerously increase eye pressure.
  • Individuals with a known hypersensitivity or allergy to naphazoline or any other component in the product formulation.
  • Patients currently taking or who have taken Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days, due to the risk of severe hypertensive crisis.

Populations Requiring Restricted Use (Use with Caution):

The medicine must be used with caution and under medical advice by patients with the following systemic conditions, as systemic absorption may exacerbate them:

  • Hypertension (high blood pressure) or other cardiovascular abnormalities (including cardiac irregularities).
  • Hyperthyroidism (overactive thyroid gland).
  • Diabetes Mellitus (high blood sugar).

Age-Related Eligibility:

  • Infants and Children (especially those under 12 years of age, and sometimes 6 years, depending on the regulatory label) are generally not recommended or contraindicated due to heightened risk of Central Nervous System (CNS) depression, coma, and hypothermia.
  • Safety and effectiveness in the pediatric population are often stated as not established in regulatory labeling.

Pregnancy and Lactation Status:

  • Pregnancy: The drug is categorized as Pregnancy Category C; it should be given to a pregnant woman only if clearly needed.
  • Lactation: It is not known whether naphazoline is excreted in human milk. Caution is advised when administering the drug to nursing women.

What should I know about interactions with other medicines?

The official regulatory profile for Naphazoline (Нафтизин) is strictly defined by its interaction with other medicinal products that affect the nervous and cardiovascular systems. The most severe regulatory restriction is the formal contraindication against concurrent use with Monoamine Oxidase Inhibitors (MAOIs). This combination is prohibited due to the risk of a severe hypertensive crisis, a direct result of pharmacodynamic potentiation.

A mandatory timing rule requires that the drug must not be administered within 14 days of discontinuing MAOI therapy. Pharmacodynamic interactions are also documented with several other medication classes. The label advises restriction with Tricyclic Antidepressants (such as Maprotiline) and other sympathomimetic agents due to the potential for increased pressor effects and cardiovascular risk. Further constraints apply to antihypertensive drugs, as Naphazoline may officially reverse their blood pressure-lowering action.

Use with Cardiac Glycosides or Quinidine may increase the documented risk of cardiac arrhythmias. For specific ophthalmic formulations, the regulatory information includes a timing requirement: if other eye drops or ointments are used, a separation interval of approximately 15 minutes must be observed between administrations. The interaction profile is exclusively pharmacodynamic; government labels do not formally describe specific interactions based on CYP-mediated enzymes or drug transporters.

Mechanism of Action

Нафтизин functions as an agonist of alpha1-adrenergic receptors, leading to localized vasoconstriction. Its primary mechanism involves the binding and subsequent activation of alpha1-adrenergic receptors, which are specifically located on the smooth muscle cells of nasal blood vessels. This action induces the contraction of the smooth muscle, causing the immediate constriction of these vessels. Furthermore, this alpha1-receptor activation contributes to the regulation of localized vascular tone. The resultant localized vasoconstriction has a secondary physiological consequence: it decreases the permeability of the adjacent capillary walls. This reduction in permeability modulates the extravasation, or leakage, of plasma fluid from the capillaries into the surrounding nasal mucosal tissue.

Dosage and Administration Information

The administration of Naphazoline, the active ingredient in Нафтизин, is characterized by specific parameters regarding route, frequency, and duration of use.

Administration Scope

Category Instructions
Route of administration Topical (Intranasal and/or Ocular).
Dosing schedule Nasal: 1 or 2 drops/sprays of 0.05% or 0.1% solution per affected nostril. Ophthalmic: 1 or 2 drops into the conjunctival sac.
Frequency and schedule Nasal: Not more often than every 6 hours. Ophthalmic: Up to 4 times daily for some formulations.
Age-group administration rules For nasal use, the 0.05% strength is typically indicated for adults and children 12 years of age and older. Use in children under 12 is restricted unless directed by a healthcare professional.
Special procedural conditions Use is strictly limited to a short-term course, generally no more than 3 consecutive days for nasal preparations.

Instruction Classifications (High-Level)

Classification Description
Administration method type Topical (Aqueous solution/drops).
Frequency pattern As-needed/Intermittent use.
Use-context constraints Duration-limited and restricted to the prescribed volume per dose.

Resulting Procedural Structure

Standard protocol involves administering the prescribed dose into the affected area while avoiding contact between the container tip and any surface to prevent contamination. Administration follows the minimum time interval specified for the product. The application course is discontinued after the mandated short-term period of 3 to 5 days, regardless of the strength used. These protocols define a standardized, limited usage pattern across approved formulations.

Recent Clinical Evidence

The following information describes the types of research studies that have been conducted for Naphazoline (Нафтизин) and what these studies have examined, based on regulatory and peer-reviewed scientific sources. The findings describe group patterns and contribute to the broader evidence landscape but do not determine whether an individual will respond similarly.

Evidence for Use in Temporary Nasal Congestion

Research exploring Naphazoline's role associated with the temporary relief of congestion has involved clinical trials, observational studies, and real-life usage surveys. Some of this research included controlled trials that compared Naphazoline against a placebo or other active ingredients. Studies monitored patient-reported outcomes describing discomfort from nasal obstruction, and research examined physiological markers in experimental models. Findings indicate that the evidence base focuses on short-term symptom monitoring.

Scientific literature consistently documents patterns related to rebound congestion—where symptoms may return or worsen following the cessation of use after administration beyond a short duration.


Evidence for Use in Minor Ocular Redness

For ophthalmic applications, evidence has been established through Randomized Controlled Trials (RCTs) and active surveillance studies. This research explored short-term symptom changes, with outcomes such as ocular hyperaemia (redness) measured using clinical scales. A key factor is that many findings are derived from studies where Naphazoline was in a fixed combination with other agents (e.g., antihistamines). This makes Naphazoline's actions on the symptoms difficult to isolate. Research also documents the potential for rebound hyperaemia associated with use beyond a short duration.


Follow-up Duration and Evidence Gaps

Clinical assessments were centered on short-term periods for which evidence was deemed sufficient, typically not extending beyond a short duration. Data for long-term effects are not well characterized, and the evidence base is limited regarding the outcomes following repeated use.

Regarding specific populations, evidence is insufficient for certain groups. For children and infants, primary outcomes are generally unestablished in the formal research base for those under 12 years of age. Research for this group often consists of exposure reports rather than controlled efficacy studies. Overall limitations include the short-term nature of efficacy data and the uncertainty surrounding outcomes when Naphazoline is studied within fixed combination products.

Key Studies & References

  1. Naphazoline Hydrochloride Nasal Solution Monograph and Labeling Information
  2. Naphazoline Hydrochloride Ophthalmic Solution Monograph and Labeling Information
  3. Ocular Decongestants and Antihistamines: A Systematic Review

Frequently Asked Questions (FAQ)

Common questions about Нафтизин (FAQ)


Q: Is Нафтизин addictive or can it cause dependency if used too often?

Official safety information notes that prolonged or excessive use of this type of medication is explicitly associated with a condition called Rhinitis Medicamentosa, or rebound congestion. This is a condition where the original nasal symptoms may return or worsen following cessation of use. This highlights why official product information specifies short-term use limits.


Q: Does Нафтизин help with sinus pressure or just a runny nose?

The official purpose of the medicine is to provide temporary relief from the symptoms of swelling and acute congestion. The product is approved to reduce nasal and mucosal swelling, which are common factors associated with user-reported symptoms like sinus pressure.


Q: How long can the effects of a single application of Нафтизин last?

The regulatory instructions for nasal application advise that the medicine should not be used more often than every six hours. This frequency pattern provides an indication of the maximum period between doses as designated in the product information.


Q: Is there a difference between the 0.05% and 0.1% concentrations of Нафтизин?

Regulatory documents describe both 0.05% and 0.1% strengths. The 0.05% concentration is typically indicated for use in adults and children 12 years of age and older. The 0.1% concentration is generally described in regulatory documents as an adult-strength formulation.


Q: What should I do if I accidentally swallow a small amount of the drops?

Official safety information notes the risk of serious systemic toxicity associated with accidental ingestion or excessive use of the solution. These risks include Central Nervous System (CNS) depression, coma, and hypothermia, which are of particular regulatory concern when exposure occurs in the pediatric population.


Q: Does Нафтизин cause drowsiness or affect a person’s ability to drive?

Documented systemic side effects include reactions in the nervous system, such as headache, dizziness, and nervousness. However, official labeling does not explicitly detail the risk of drowsiness or provide specific statements regarding the impact on driving ability.


Q: Can I use Нафтизин if I have a known sensitivity to other types of nasal sprays?

The product is contraindicated for individuals with known hypersensitivity to the active ingredient, Naphazoline, itself. Regulatory warnings indicate that restrictions apply when the drug is used with other sympathomimetic agents, which are often found as active ingredients in other types of decongestant nasal sprays.


Q: Is it safe to use Нафтизин alongside common over-the-counter cold remedies?

The official interaction profile includes restrictions when used concurrently with other sympathomimetic agents. Many over-the-counter cold remedies contain these agents, and regulatory documents caution that combining them could increase the potential for cardiovascular risks.


Q: Can Нафтизин be used for nasal issues specifically related to seasonal or environmental allergies?

The drug's general and official purpose is the temporary relief of symptoms associated with swelling and acute congestion. This includes congestion symptoms regardless of the underlying cause (e.g., seasonal or environmental factors).


Q: What were the original research findings that led to the initial approval of Нафтизин?

Research supporting the drug's use was established through clinical trials and observational studies. This evidence primarily focused on short-term symptom monitoring, including the assessment of patient-reported outcomes for discomfort caused by nasal obstruction.


Q: What is the difference between Naphazoline drops and Naphazoline spray?

Official regulatory texts describe the dosing schedule for nasal use as 1 or 2 drops/sprays of the solution. This suggests that the core concentration and the administered dosage of the active solution are comparable, regardless of whether a drop or spray device is used for delivery.

How should Нафтизин be stored and disposed of?

How to Store and Dispose of Нафтизин?

The storage and disposal of Naphazoline Hydrochloride (the active ingredient in Нафтизин) must strictly follow official regulatory guidelines to maintain its stability and ensure safety.

Storage Requirements

Condition Requirement
Temperature Store at controlled room temperature, typically between 20 C and 25 C.
Environment Must be protected from freezing, excessive heat, light, and moisture.
Container Keep the medicine in its original container, tightly closed, and do not use if the safety seal is broken.
Child Safety Keep out of the sight and reach of children due to the hazard of accidental ingestion.
Stability Any unused or expired medicine must be discarded; some nasal products must be discarded after three months of first opening.

Disposal Requirements

Disposal of unused or expired product must be done according to Federal, State, and Local regulations. Do not flush the medicine down the toilet or pour it into the sink, and do not dispose of it with general household garbage to prevent entry into the sewage system or water courses. Take-back programs are the preferred disposal method.

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

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