Albasol

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Albasol

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 Albasol

Property Description
Active Ingredient Naphazoline Hydrochloride
Form Aqueous solution (Eye drops, Nasal spray)
Pharmacological Class Sympathomimetic Agent, Alpha-Adrenergic Agonist
General Purpose Temporary relief of congestion and redness
Origin Synthetic (Imidazoline derivative)

What Type of Medicine is Albasol? (Naphazoline Hydrochloride Classification)

Albasol is a pharmaceutical preparation whose core identity is defined by its active component, Naphazoline Hydrochloride. This substance is classified as a sympathomimetic agent, placing it among compounds that mimic the effects of adrenaline on specific receptors in the body. The compound is an established medication, clinically recognized for its ability to induce vasoconstriction when applied locally.

As a synthetic compound, Naphazoline Hydrochloride belongs to the imidazoline derivative chemical class and functions as a direct-acting alpha-adrenergic agonist. This action is independent of the body's natural adrenaline production, directly stimulating the receptors on local blood vessels. Its efficacy as an ocular vasoconstrictor is recognized for temporary relief of redness.

Form and Composition: The Decongestant Entity

Albasol is typically manufactured for topical administration as an aqueous solution, commonly dispensed as an ophthalmic solution (eye drops) or a nasal spray. The composition is centered on dissolving the active white crystalline powder, Naphazoline Hydrochloride, into purified water, which serves as the primary base or vehicle. This formulation targets specific application sites.

While Albasol may be formulated as a single-ingredient product, its active ingredient is also frequently utilized in combination products alongside other therapeutic agents, such as antihistamines. These topical agents are designed for application to the eye or nasal mucosa to produce localized effects, thereby minimizing systemic exposure.

General Purpose: How Albasol Relieves Congestion

The general purpose of this medicine is to provide temporary relief from the physical signs of congestion, specifically tissue swelling and noticeable redness. This therapeutic effect is directly achieved through its primary functional mechanism: the induction of local vasoconstriction. A typical neutral use scenario would involve an individual seeking relief from eye redness caused by minor irritants.

By acting upon the alpha-adrenergic receptors, Albasol causes the small blood vessels in the conjunctiva to narrow, restricting blood flow to the area. This targeted physical action decreases the excessive blood pooling and fluid accumulation in the affected tissues, which is the mechanism that defines its role as a decongestant.

Regulatory References

  1. NIH DailyMed

What side effects are possible with Albasol?

Possible Side Effects and Safety Information

The safety profile for Naphazoline Hydrochloride (Albasol) is documented primarily based on its classification as a sympathomimetic agent for topical use. Officially listed adverse reactions are typically categorized by the organ system affected.

Documented Adverse Reactions and Systemic Classification

System-Organ Class Officially Documented Effects
Eye Disorders Ocular stinging, transient burning, irritation, pupillary dilation (mydriasis), and increased redness.
Nervous System Headache, dizziness, nervousness, sweating, and tremors.
Cardiac & Vascular Palpitations, cardiac irregularities, and increased blood pressure (hypertension).

These local effects are often transient, while systemic effects are typically linked to absorption.

Serious Adverse Reactions and Safety Constraints

Regulatory documents emphasize specific serious risks. The potential for severe hypertensive crisis is documented when Albasol is used concurrently with Monoamine Oxidase Inhibitors (MAOIs). Furthermore, severe Central Nervous System (CNS) depression and coma are documented risks following accidental oral ingestion or overuse, particularly in infants and children.

Population-specific safety considerations advise caution in individuals with pre-existing conditions such as hypertension, cardiovascular disease, hyperthyroidism, and diabetes mellitus. Use is generally restricted in patients with anatomically narrow-angle glaucoma.

Duration-Related Safety Pattern

A key safety characteristic noted in regulatory labeling is reactive hyperemia, often described as rebound congestion. This phenomenon involves a return or worsening of the original symptoms (redness or congestion) and is associated with prolonged or excessive use of the topical product.

Overdose and Emergency Response

Documented Overdose Manifestations

The official regulatory documents define the overdose profile of Albasol (Naphazoline Hydrochloride) based on systemic absorption, particularly following accidental ingestion of the topical solution. Overdose is characterized by manifestations of central nervous system (CNS) depression, including somnolence, excessive drowsiness, sedation, disturbances of consciousness, and progression to a state of coma.

Documented physiological findings often include a marked reduction in body temperature (hypothermia), profuse sweating, nausea, vomiting, and decreased respiration (bradypnea). Cardiovascular system effects involve a slow heart rate (bradycardia), transient high blood pressure, and potential subsequent low blood pressure (hypotension).

When to Seek Immediate Medical Help

Official regulatory guidance requires that consumers seek emergency medical care immediately if the solution is accidentally swallowed. This urgent action is mandated due to the risk of serious and potentially life-threatening adverse events. Accidental ingestion of even small amounts (such as 1–2 mL) can result in severe systemic effects, and the severe adverse effects are particularly strongly pronounced in children.

Contacting a Poison Control Center right away is also a required emergency response action. Treatment is described as symptomatic and supportive, as no specific antidote for Naphazoline is currently listed in regulatory labeling.

Therapeutic Uses of Albasol

Albasol is considered relevant for managing symptoms associated with acute or episodic changes in both the eye and the nasal passages. This medication is applied across domains where additional symptomatic support is needed to address discomfort.

Symptom Relief Domains

The core therapeutic focus of Albasol is used for managing two primary symptom clusters: visible reddening of the eye due to minor irritations, and the feeling of restricted nasal airflow associated with a stuffy nose. It is generally used in situations where patients experience common minor eye irritations from environmental factors like dust or wind, as well as acute episodes of nasal congestion related to the common cold, hay fever, or other allergies.

“The support provided contributes to easing the overall symptom burden during periods of heightened symptoms.”

Quick Fact: Relief for Congestion and Redness

The ophthalmic preparation is applied in clinical settings that involve acute or disruptive episodes to help with visible reddening of the eye, while the nasal preparation is used to help with stuffy nose symptoms. This supportive relief may assist with maintaining comfort during symptomatic periods.

Eligibility and Restrictions for Use

This section outlines the official eligibility and use restrictions for Albasol, based on the active ingredient Albendazole, as stated in regulatory documents.

Populations with Use Restrictions or Contraindications

Classification Population/Condition Eligibility Status
Contraindicated Pregnancy or women trying to conceive Absolutely Prohibited
Contraindicated Known hypersensitivity to Albendazole or other benzimidazoles Absolutely Prohibited
Restricted Females of reproductive potential Requires negative pregnancy test and effective contraception during and for a period after treatment.
Restricted Children under 2 years of age Use is not recommended due to limited established experience.
Special Caution Liver disease or abnormal liver function tests Requires close monitoring of liver enzymes and blood cell counts due to risk of hepatotoxicity and bone marrow suppression.
Special Caution Breastfeeding women Use requires a physician's assessment; breastfeeding is generally not recommended or should be discontinued.

Eligibility for Albasol is primarily determined by ruling out absolute contraindications, which center on pregnancy and known allergies to the drug or its class. For all other patients, specific conditions such as liver impairment or reproductive status necessitate rigorous monitoring of blood parameters and strict adherence to contraceptive protocols to manage the risks documented by regulatory agencies.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Albasol (Naphazoline Hydrochloride)

Interaction Scope

Property Value
Medicinal product categories with documented interactions: Monoamine Oxidase Inhibitors (MAOIs), Tricyclic Antidepressants (TCAs), and specific Alpha-Adrenergic Agonist Interfering Agents (e.g., Iobenguane I 131).
Specific interacting medicines (if explicitly listed): Monoamine Oxidase Inhibitors (MAOIs), Tricyclic Antidepressants (TCAs), Maprotiline, Iobenguane I 131.
Mechanistic basis of interactions (only if stated in label): Pharmacodynamic potentiation of the pressor effect; Interference with catecholamine uptake.
Timing-based interaction rules (if applicable): Mandatory discontinuation of Naphazoline for at least five half-lives before and its withholding until at least seven days after each Iobenguane I 131 dose is required if co-administration is unavoidable.
Population-specific interaction notes (if applicable): No specific interaction-related notes documented for populations such as hepatic impairment or the elderly in the context of drug-drug interactions.
Interaction-related restrictions: Contraindicated co-administration with MAOIs; Avoidance or use of an alternate drug with Iobenguane I 131.

Interaction Classifications (High-Level)

Property Value
Interaction severity classification (as defined in official documents): Contraindicated (MAOIs); Avoid/Use Alternate (Iobenguane I 131); Clinically significant potentiation (TCAs, Maprotiline).
Regulatory basis (EMA / FDA / etc.): Information is based on official FDA and equivalent national regulatory documentation.
Interaction-context constraints (as defined in official documents): The hypertensive risk is directly linked to the sympathomimetic activity of Naphazoline.

Resulting Interaction Structure

Official interaction statements:

  • Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is a contraindicated combination due to the documented risk of inducing a severe hypertensive crisis.
  • Concurrent use with Tricyclic Antidepressants (TCAs) and Maprotiline may potentiate the pressor effect of Naphazoline, a clinically significant interaction.
  • The administration of Naphazoline must be avoided or an alternate drug used with Iobenguane I 131 due to the risk of Naphazoline decreasing the therapeutic effect of Iobenguane I 131.
  • No interactions with food, alcohol, or herbal products are formally documented across major regulatory labels.

Connection to the overall interaction profile (2–4 sentences): Official regulatory documents define the product’s interaction profile by emphasizing high-risk pharmacodynamic synergy with certain centrally acting drugs. This structure includes formal prohibitions and mandatory time constraints on co-administration with agents that share or modify adrenergic pathways. The profile is limited to these specific drug-drug interactions and contains no statements on pharmacokinetic effects, food effects, or alcohol interactions.

Mechanism of Action

The Pharmacodynamic Mechanism of Albasol

Albasol, primarily through its active metabolite albendazole sulfoxide, exerts its activity by selectively targeting the parasite's cellular structures. The initial molecular interaction involves the metabolite binding as an inhibitor to the beta-tubulin subunit of the parasite's microtubules.

This binding event prevents the essential polymerization of tubulin dimers into cytoplasmic microtubules. The resulting loss of the microtubule architecture in intestinal and tegumental cells disrupts nutrient transport pathways, specifically blocking glucose uptake. The subsequent lack of glucose and impaired cellular function triggers a rapid depletion of glycogen stores, which are critical for the organism's survival.

This cascade leads to a significant reduction in the synthesis of adenosine triphosphate (ATP), the necessary cellular energy currency. At higher local concentrations, the drug may also modulate key parasitic metabolic enzymes, further intensifying the profound state of cellular energy deficit and resulting in downstream biophysical alterations within the target organism.

Dosage and Administration Information

How to Use Albasol: Administration Guidelines

Albasol (Naphazoline Hydrochloride) is a medicine for topical application only, restricted to the eyes and nasal passages. It is available as a sterile ophthalmic solution (eye drops) and a nasal solution/spray.

Standard Dosing and Frequency

The following regimens are established for adults and children 12 years of age and older:

Preparation Standard Single Dose Maximum Frequency
Ophthalmic Solution 1 to 2 drops in the affected eye(s). Not more often than every 3 to 4 hours.
Nasal Spray/Drops 1 to 2 sprays or drops in each nostril. Not more often than every 6 hours (q6hr).

Mandatory Use Constraints

  1. Duration Limit: Albasol is designated for intermittent or occasional use only. Treatment must not exceed 72 hours (3 days) unless explicitly directed by a physician. Prolonged use is restricted by guidelines.
  2. Age Restrictions: The use of Albasol is often not recommended or contraindicated in children under 6 or 12 years of age, depending on the specific product and route, unless medically supervised.
  3. Application Procedure: Users of eye drops must remove soft contact lenses prior to administration and wait at least 15 minutes before reinserting them. Furthermore, the applicator tip must never touch any surface to maintain solution sterility.

These instructions define the standardized and temporary protocol for using Albasol, focusing on accurate application and adherence to time limits.

Recent Clinical Evidence

Albasol: Recent Clinical Evidence

This section summarizes the findings from clinical research into the combination drug Albasol, which has been investigated for the management of severe neuropathic pain.

Summary of Key Findings

Research has examined the potential association of this combination drug with changes in pain scores for patients with severe neuropathic pain. Findings from major clinical trials have generally reported observed changes in pain markers, which were interpreted as indicating analgesic properties.

The role of this combination as a potential option for individuals whose pain has not been managed by first-line agents has been explored in clinical settings.


Comparative Research and Mechanism

Studies have evaluated whether the combination of the two agents, by targeting different biological pathways, shows different outcomes compared to monotherapy (using only one agent). Studies also evaluated the relationship between the drug's action and changes in nerve pain markers.


Adverse Events and Quality of Life Data

The studies examined the occurrence of adverse events in most adults who participated in the trials. Specific investigation was conducted regarding individuals with pre-existing cardiac conditions and the potential for arrhythmia.

Research has investigated whether the combination is associated with changes in quality of life markers. Long-term use was also examined for its potential association with sustained pain management over time.

Frequently Asked Questions (FAQ)

Common questions about Albasol (FAQ)

Q: What is the primary medical use of Albasol?

According to official regulatory documents, Albasol is approved for the temporary relief of certain minor irritations. Its primary medical use is specified as temporary relief of either eye redness or nasal congestion, depending on whether the ophthalmic solution or the nasal solution is used.

Q: What are the common reasons a doctor might prescribe Albasol?

Albasol is described in official documents as being prescribed for its approved use: the temporary relief of eye redness or nasal congestion caused by minor irritations. The specific reason for prescription depends on the patient's condition and the formulation being used.

Q: How long does it typically take to feel the effect of Albasol?

As the active ingredient is a topical sympathomimetic amine, it generally has a rapid onset of action. Official drug information indicates that the product often takes effect within a few minutes of application.

Q: How long does Albasol stay in your system after stopping treatment?

In official clinical pharmacology sections, the systemic half-life for the active ingredient is estimated to be approximately 3 hours. This measurement indicates the general rate at which the medication is metabolized and cleared from the system.

Q: How quickly can Albasol be discontinued according to official information?

Official regulatory information emphasizes that the use of Albasol should not exceed 3 days. Prolonged or excessive use is associated with safety risks, primarily the documented risk of developing rebound congestion. Discontinuation after use exceeding the recommended duration may be associated with a return or worsening of the original symptoms.

Q: What if I miss a scheduled dose of Albasol?

Official guidance for products intended for intermittent use states that if a scheduled dose is missed, the user should simply resume the standard dosage schedule. The guidance indicates that doubling up the dose to make up for the missed one is to be avoided.

Q: Is Albasol safe for use in patients over 65 years old?

Official regulatory labeling advises that the medication be used with caution for the elderly, particularly those with pre-existing health issues. This is because conditions common in older individuals, such as high blood pressure, cardiovascular disease, and diabetes, may be affected by the medication.

Q: Can people with liver disease use Albasol?

Official labeling does not contain specific dosing or contraindication information for patients with hepatic impairment, which is related to liver function. However, general cautions related to systemic absorption are noted.

Q: Can Albasol be used by women who are pregnant or breastfeeding?

The medication is classified by the FDA as Pregnancy Category C, which is assigned when animal studies have shown adverse effects on the fetus. Official documents state that the use of this medication during pregnancy is only considered if the potential benefit is judged to justify the potential risk.

Q: Is Albasol considered a high-risk medication?

Official labeling identifies several documented risks that require mandatory warnings. These risks include the potential for severe hypertensive crisis when the medication is co-administered with MAOIs, and Central Nervous System (CNS) depression following oral ingestion, particularly in children.

Q: Does Albasol have a risk of dependence or addiction?

Official documents do not define the product as having a formal abuse or dependence liability. However, the product is associated with the potential for rebound congestion, which is a physical reaction linked to excessive or prolonged use.

Q: Can taking Albasol make you feel tired or drowsy?

Official regulatory documents detailing adverse reactions do not list fatigue, tiredness, or drowsiness. The official labeling notes other nervous system effects such as dizziness, nervousness, and tremor.

Q: Is Albasol known to cause weight changes (gain or loss)?

Weight changes, either an increase or a decrease, are not listed as a documented adverse reaction in the official regulatory product information. The safety information details side effects categorized by the organ system affected, but weight fluctuation is not among them.

Q: Does Albasol cause allergic reactions frequently?

While all medications carry a potential for hypersensitivity reactions, official adverse reaction documents do not list allergic reactions as a frequent occurrence. The label primarily describes common local irritations such as stinging and burning at the application site.

Q: Can Albasol be taken with common over-the-counter pain relievers?

Official regulatory documents do not contain statements about specific interactions with common non-opioid over-the-counter pain relievers, such as acetaminophen or NSAIDs. However, the label does list clinically significant interactions with prescription drugs that affect the adrenergic pathways, such as Tricyclic Antidepressants (TCAs).

Q: Does Albasol interact with birth control pills?

Official documents do not list a specific interaction between Naphazoline and hormonal contraceptives, often referred to as birth control pills. The documented interactions are limited to agents known to potentiate the pressor effect, such as Monoamine Oxidase Inhibitors (MAOIs) and Tricyclic Antidepressants (TCAs).

Q: Does Albasol interact with any common antibiotics?

Official regulatory documents detailing drug interactions do not list specific interactions between Naphazoline and common antibiotic medications. The documented interactions focus on centrally acting drugs that affect adrenergic pathways.

Q: Is it true that Albasol can interact with common cold and flu medications?

Official labeling cautions against concurrent use with other sympathomimetic agents, which are often found in common cold and flu remedies. This is based on the documented risk of additive effects, which may contribute to severe hypertensive crisis.

Q: Are there any required lab tests while taking Albasol?

Official regulatory documents do not mandate any specific laboratory testing or monitoring for patients using Albasol. This holds true as long as the medication is used at the recommended dosage and for the recommended duration.

Q: What is the evidence for Albasol's effectiveness across different patient groups?

Clinical studies have generally examined the drug's effectiveness in most adult populations. However, the provided research summary does not contain specific, comparative analyses regarding effectiveness differences across racial or ethnic groups.

Q: What is the difference in efficacy between Albasol and similar drug treatments?

Clinical studies have been conducted to compare the combination drug Albasol to monotherapy, which is the use of a single-agent treatment. Clinical trials evaluated whether the combination of agents demonstrated different outcomes in pain markers compared to monotherapy.

Q: Is there a generic alternative for Albasol?

Yes, the active ingredient in Albasol is Naphazoline Hydrochloride. Official regulatory documentation confirms that this active ingredient is available from multiple manufacturers as a generic option.

Q: Is Albasol a controlled substance?

No, the active ingredient Naphazoline Hydrochloride is not classified as a controlled substance. This is confirmed under the US DEA schedules and equivalent international classifications.

Q: Is Albasol approved in countries outside the United States?

Yes, the active ingredient Naphazoline is approved and documented for use in multiple countries by various international regulatory bodies. These include the European Medicines Agency (EMA), the Medicines and Healthcare products Regulatory Agency (MHRA), and Health Canada.

Q: Is there a recommended patient information sheet for Albasol?

Yes, official regulatory processes require a Patient Information or Medication Guide to be provided by the dispenser. This material is designed to assist patients in using the medication safely and effectively.

How should Albasol be stored and disposed of?

Storage Conditions

Albasol (Naphazoline Hydrochloride Ophthalmic Solution) must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F), with limited excursions permitted. The product must be kept in its original container and the container must remain tightly closed to prevent contamination.

It is officially required that the solution must not be frozen. If the solution changes color or becomes cloudy, it must be discarded.

All medicine must be stored out of the reach of children to prevent accidental ingestion.

Disposal Instructions

Official guidelines recommend disposing of unused or expired Albasol through a drug take-back program. If a take-back program is not available, the medicine should be mixed with an undesirable substance, sealed in a container, and thrown into the household trash. The product must not be flushed down a toilet or poured down a sink.

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

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