Atri

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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 Atri

Quick Facts

Property Description
Active ingredient Sodium Hyaluronate (Hyaluronic Acid)
Form Ophthalmic solution (Eye drops)
Pharmacological class Ocular Lubricant, Visco-supplement
Common use Relieving dryness and discomfort on the eye surface
Origin Biologically derived polysaccharide

What Type of Ocular Product is Atri?

Atri is a pharmaceutical preparation classified as an ocular lubricant and a visco-supplement, delivered as a sterile ophthalmic solution (eye drops). It belongs to the broader pharmacological class of agents clinically recognized for maintaining the health and integrity of the corneal surface. As a modern, single active ingredient product, Atri is engineered to replenish and stabilize the natural tear film. Unlike many standard, low-viscosity tear substitutes, Atri utilizes a controlled high molecular weight compound to create a more resilient and sustained protective layer over the eye's delicate surface.

Composition: What is Sodium Hyaluronate and Where Does it Come From?

The sole active component in Atri is Sodium Hyaluronate (INN: Hyaluronic Acid), a naturally occurring glycosaminoglycan delivered in a base of sterile aqueous solution. This crucial component is a polysaccharide structurally identical to the Hyaluronan found abundantly in human connective tissues, including the eye. Although it is a natural component of the body, the Sodium Hyaluronate used in pharmaceutical preparations is typically produced through microbial fermentation, ensuring high purity and a controlled molecular weight that maximizes its biocompatibility and functional properties.

General Purpose: What Does Atri Do for the Eye?

The general purpose of Atri is to mitigate surface discomfort by providing enhanced viscoelastic lubrication and highly effective moisture retention. Preparations containing sodium hyaluronate improve parameters essential for healthy eye function, supporting its role in stabilizing the tear film and preventing rapid tear evaporation. For instance, in a typical neutral use scenario, Atri provides relief for individuals experiencing irritation after prolonged screen use or in dry environments. By adhering to the corneal and conjunctival surfaces, the preparation forms a mucoadhesive protective shield that reduces the friction experienced during blinking. This sustained action directly translates into continuous relief from feelings of dryness, burning, or foreign body sensation on the eye.

Regulatory References

  1. Sodium Hyaluronate

What side effects are possible with Atri?

Possible Side Effects and Safety Information

The official safety profile for ophthalmic Sodium Hyaluronate solutions is characterized primarily by local and transient reactions at the site of administration, with adverse effects largely classified within the Eye disorders System-Organ Class. This information is based strictly on government regulatory documents.


Documented Adverse Reactions

The most commonly documented adverse effects are generally non-serious, local, and transient. Specific reactions officially listed in regulatory documents include:

  • Ocular surface discomfort, such as eye irritation, eye pain, foreign-body sensation, and eye pruritus (itching).
  • Visual disturbances, including vision blurred and reduced visual acuity. These visual effects are frequently noted as temporary, occurring immediately after application until the solution disperses.
  • Other ocular manifestations like ocular hyperemia (eye redness).

Safety Restrictions and Serious Events

While local reactions are the primary concern, a formal contraindication is documented for individuals with known hypersensitivity to Sodium Hyaluronate or any of the product’s excipients. Regulatory sources specify that the signs of a systemic allergic reaction (e.g., swelling, rash, difficulty breathing) are documented, though rare, serious adverse events.


Population-Specific Safety Notes

Specific cautionary statements are included in official prescribing information regarding special populations. Use during pregnancy and lactation requires professional clinical assessment due to the limited availability of human data. Similarly, use in pediatric patients (children under 18) is generally not recommended in the absence of adequate clinical experience.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documentation establishes that overdose with Atri ophthalmic solution through the intended topical route is not expected to produce symptoms. Overdosage is considered low-risk because the formulation is locally acting, excess fluid readily flows from the eye, and the active ingredient has negligible systemic absorption. Consequently, serious or life-threatening systemic outcomes are not formally documented or anticipated in the regulatory profile.

Required Emergency Actions

The necessity for urgent medical intervention is explicitly defined by the route of exposure. Immediate attention is required for systemic exposure that deviates from topical use:

Exposure Context Regulator-Mandated Action
Accidental Ingestion (Swallowing) Seek medical help or contact a Poison Control Center right away.

Supportive Management

In scenarios of overdosage where medical intervention is initiated, no specific antidote is mentioned in the official labeling. The described procedural steps are limited to the initiation of general symptomatic and supportive measures where deemed necessary by medical professionals.

Overdose Manifestations Summary

  • Topical ocular overdose is officially stated to have not been observed so far in regulatory experience.
  • No specific population-based overdose considerations (e.g., for pediatrics or hepatic impairment) are explicitly documented in the official regulatory sections.

Therapeutic Uses of Atri

What Atri Treats: Main Uses and Benefits

Atri is commonly used for managing the symptomatic burden of Dry Eye Disease (DED) and related ocular surface conditions characterized by periods of heightened symptoms. It helps address the core symptom cluster of dryness, burning, and stinging that results from an unstable tear film. The ingredient is relevant for easing the intensity of symptoms related to dry eye, supporting lubrication, and contributing to patient comfort. This ingredient serves a role in managing conditions involving episodic or fluctuating manifestations.


The medication is relevant for easing symptoms related to frictional discomfort like grittiness or a foreign body sensation. It is also applied in addressing symptoms related to visual strain (e.g., prolonged computer use) and environmental stress (e.g., wind exposure). When the ocular surface requires additional support, Atri is relevant for easing the symptoms of frictional discomfort. This supports the patient during difficult episodes by easing distress, contributing to easing the overall symptom load during these often recurrent manifestations.


Quick Fact: Supportive Role in Symptom Management

Domain Symptom Clusters Primary Benefit
Dry Eye Conditions Burning, Stinging, Dryness Contributes to easing the overall symptom load
Situational/Contextual Stress Grittiness, Foreign Body Sensation Assists with maintaining functional stability

Eligibility and Restrictions for Use

Who Can and Cannot Use Atri?

Eligibility for Atri (Sodium Hyaluronate Ophthalmic Solution) is primarily defined by contraindications specified in official regulatory labeling. Use of the medicine is contraindicated in patients with a known or suspected hypersensitivity (allergy) to the active substance, Sodium Hyaluronate, or to any other ingredient in the formulation.

Population Eligibility Summary

Population Group Regulatory Status
Adults & Older Adults Use is generally established and permitted under standard labeled conditions.
Children Use is generally acceptable, though regulatory documents note that safety and effectiveness have not been formally established in the paediatric population.
Pregnant Women Caution is advised; use may be dependent on physician judgment due to limited clinical experience.
Breastfeeding Women Caution is advised due to limited clinical data.

For children, administration of the eye drops should be carried out by a parent or caregiver. For populations such as those with renal or hepatic impairment, no specific systemic restrictions are typically cited due to the medicine’s minimal topical absorption.

What should I know about interactions with other medicines?

Interactions with other medicines and products


Key Regulatory Constraints

Category Official Regulatory Information
Interacting Product Categories Other topical ocular products (e.g., all other eye drops)
Interacting Substances None explicitly listed by name; the prohibition targets the preservative class of quaternary ammonium compound.
Interaction Mechanism Co-administration may modify the effects of the other topical product (local pharmacodynamic interaction).
Timing Rule If more than one type of eye drop is administered, the regulatory label requires administering them at least five minutes apart.
Formal Restriction Must avoid using the product with those containing quaternary ammonium compound preservatives.

Profile Overview

The regulatory interaction profile for Atri is defined by local, topical constraints, reflecting the product's function as an ocular lubricant. The official documentation places a formal restriction classified as avoid co-administration regarding products containing a specific preservative class. This local pharmacodynamic profile mandates a timing separation when co-administering any other eye drops to prevent the modification of their effects. Regulatory sources do not document systemic interactions, including those involving CYP enzymes, drug transporters, or alterations in overall drug exposure.

Mechanism of Action

Atri's action, derived from Sodium Hyaluronate (HA), is based on a dual mechanism that combines physical modification of the tear film with active cellular signaling on the ocular surface.

️ Visco-supplementation and Friction Reduction

This domain covers the physical and rheological properties of HA. The molecule acts as a visco-supplement by binding large volumes of water (hygroscopicity), which increases the stability and thickness of the natural tear film. Its shear-thinning property allows the layer to maintain high viscosity at rest while reducing viscosity during blinking. This mechanism results in a reduction of mechanical shear stress and friction on the epithelial surface.

Epithelial Bioadhesion and Structural Repair

This domain focuses on the active biological interaction between HA and the ocular surface. The HA polymer engages in bioadhesion and binds to specific cell surface receptors, particularly the CD44 receptor, on corneal and conjunctival epithelial cells. This receptor binding activates localized signaling pathways that promote cell migration and re-epithelialization, thereby promoting the structural integrity of the ocular barrier.

Dosage and Administration Information

How to Use Atri: Official Administration Guidelines

Atri (Sodium Hyaluronate Ophthalmic Solution) is administered according to specific procedural and frequency guidelines.

Administration Scope

Instruction Entity Official Administration Guideline
Route of administration The solution is for ocular (topical) use only, requiring careful instillation into the conjunctival sac of the affected eye(s).
Dosing schedule (Adults) The standard application is 1 to 2 drops per use. The dosage may be adjusted based on symptomatic need, but remains within the standard limits.
Frequency and schedule The solution is designed for use as needed (PRN) for temporary relief. Typical fixed schedules range from three to four times daily, with some applications permitting use up to eight times daily as a maximum.
Age-group administration rules Pediatric Use: Use is generally not recommended in children under 18 years of age due to the absence of sufficient clinical data and experience in this population.
Missed-dose rules If a dose is missed, it should be applied as soon as the patient remembers. If it is nearly time for the next dose, the missed dose must be skipped to avoid administering two doses close together, and the regular schedule resumed.

Official Procedural Guidelines

Special procedural conditions govern the application process to ensure safety and effectiveness:

  • Hygiene: The tip of the container must not touch the eye, eyelid, or any other surface during application to maintain the sterility of the solution.
  • Concomitant Use: An interval of at least five minutes must be allowed between the administration of Atri and any other topical ophthalmic product. Atri is typically applied last to ensure optimal contact time with the ocular surface.
  • Single-Use Containers: If the solution is provided in a single-dose container, any remaining portion must be immediately discarded after use.

These guidelines standardize the method of application and frequency, ensuring consistent use of this ophthalmic lubricant.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Atri


Evidence for Symptom Management in Dry Eye Disease (DED)

The research for Atri's active ingredient, Sodium Hyaluronate, is largely characterized by randomized controlled trials (RCTs). These studies were used to compare different formulations against an inactive substance (placebo) or against other standard ocular lubricants. The research was used in exploring how symptoms change over time for individuals dealing with Dry Eye Disease (DED). The populations included in these trials were primarily adult participants with mild to moderate forms of the condition.

Researchers focused on two main areas: measuring patient-reported outcomes describing perceived discomfort and tracking physical signs of eye health. Patient-reported outcomes included following the intensity of symptoms like dryness, stinging, burning, and the gritty or foreign body sensation. Objective signs that were measured in some studies included Tear Break-up Time (TBUT), which is a key parameter reflecting tear film stability. Research highlights findings measured during the study period for these groups.

Evidence for Situational Ocular Discomfort and Irritation

Atri was also evaluated in studies focusing on conditions associated with acute or disruptive episodes of discomfort that are not necessarily chronic DED. This includes temporary irritation linked to environmental stress or discomfort associated with visual strain. In these research scenarios, studies explored outcomes related to physical discomfort, such as measurements of change in frictional discomfort during blinking. Outcomes capturing phases of heightened symptom activity were monitored over defined time intervals. Research describes patterns related to short-term changes in patient comfort levels.

Long-Term Research and Maintenance of Effect

Long-term outcomes are not well characterized because there is limited information for continuous use extending beyond six months. This means that while studies provide insight into short-term performance and symptom patterns, the durability of the effect and the physiological changes that may occur after half a year or more of use are not well established across the entire body of research.

What Research Gaps and Uncertainties Exist

The consistency of the findings varies across studies, particularly when different concentrations of the active ingredient are evaluated. Research explored the ingredient against various control substances, but comparative evidence against all alternative treatments is not consistently available. The overall picture is that while research describes what was observed of the active ingredient's function, study outcomes are often assessed using subjective, patient-reported outcomes, which can be influenced by factors outside the treatment itself.

Frequently Asked Questions (FAQ)

Common questions about Atri (FAQ)


Q: What is the generic name for the medicine Atri?

A: The generic name for the active ingredient in Atri is Sodium Hyaluronate, which is also commonly known as Hyaluronic Acid. Official product information indicates this substance is a biologically sourced compound that works by lubricating the eye surface.


Q: What is the process for discontinuing Atri, according to official guidance?

A: Official guidance related to cessation states that treatment should only be discontinued under the direction of a healthcare professional. Patients seeking to make changes to their treatment plan are advised to consult with their doctor.


Q: Is Atri prescribed for long-term use, or is it a short course of treatment?

A: Regulatory documents indicate that sodium hyaluronate eye drops are considered appropriate for long-term use. The decision regarding the total duration of therapy is based on a patient's individual condition and is determined through consultation with a healthcare professional.


Q: How long does Atri typically take to start showing its main intended effects?

A: According to official product information, Atri works primarily through a physical effect on the eye. The primary effect, lubrication and protection, is generally observed immediately upon application, though the time to reach full comfort may depend on the severity of the eye condition.


Q: If Atri is stopped, how long does the active substance stay in the body?

A: The product is designed to have a purely physical effect on the eye surface and is not absorbed systemically (into the bloodstream). For this reason, the active substance is quickly cleared from the eye surface through the natural tear film turnover.


Q: Do the common side effects of Atri usually disappear over time?

A: The most common local adverse effects, such as temporary burning or blurred vision, are generally transient (short-lived). Regulatory documents indicate that these symptoms are typically observed to dissipate shortly after the solution disperses across the eye surface.


Q: Are there any severe but rare side effects of Atri listed in the regulatory documents?

A: The documented adverse effects are primarily local to the eye. Regulatory documents note that signs of a systemic allergic reaction (hypersensitivity) are possible but are classified as rare serious events. It is advised that individuals with concerns about severe reactions consult a healthcare professional.


Q: Is fatigue or dizziness a common expected reaction to Atri?

A: Fatigue and dizziness are not listed among the officially documented adverse effects for this topical ocular product. The known side effects are localized to the eye surface.


Q: Can Atri be taken with alcohol?

A: Due to its purely local action on the eye, regulatory documentation states no known systemic interactions. Therefore, no specific restriction is provided regarding the consumption of alcohol.


Q: Are there any foods that must be avoided while taking Atri?

A: As a topical eye drop with minimal systemic absorption, official regulatory documents state no known interactions with food. The medication is not intended to be taken orally.


Q: Does Atri interact with caffeine or energy drinks?

A: Regulatory documents state no known systemic interactions for Atri. The only documented concern is related to administering it alongside other topical eye products.


Q: Can Atri be taken with common over-the-counter pain relievers like ibuprofen or acetaminophen?

A: Regulatory documentation states no known systemic interactions with other medicinal products. The documented interactions are limited to certain topical ocular preparations.


Q: Does Atri interact with herbal supplements or vitamins?

A: Official regulatory information states no known systemic interactions between Atri and other medicinal products, including herbal supplements or vitamins.


Q: What are the general recommendations regarding driving or operating machinery while taking Atri?

A: Vision may be blurred briefly after application. Official guidance related to visual symptoms states that operating machinery or driving should be postponed until any temporary blurring has completely resolved.


Q: Can a person with a history of kidney problems use Atri?

A: Due to the product having a purely physical effect on the eye with minimal systemic absorption, specific precautions or dose adjustments for individuals with kidney problems are not generally noted in the official prescribing information.


Q: Can patients with diabetes or high blood pressure generally use Atri?

A: The product is used topically and has a purely physical effect with no documented systemic absorption. Therefore, no specific systemic precautions related to the use of Atri are typically noted in regulatory documentation for these conditions.


Q: What does the clinical research evidence say about Atri's effectiveness?

A: Clinical studies reviewed for regulatory submissions demonstrated that the active ingredient was associated with an improvement in both objective signs (such as tear film stability) and patient-reported symptoms (such as dryness and stinging) associated with Dry Eye Disease.


Q: Why does the label sometimes mention a 'black box' warning for Atri? (Seeking regulatory clarification)

A: Regulatory documents for Sodium Hyaluronate ophthalmic solutions do not typically contain a Black Box Warning. A Black Box Warning is the FDA's strongest safety warning and is not associated with this class of topical ocular product.


Q: Does Atri require any special monitoring like regular blood tests?

A: Because the product is not absorbed into the bloodstream and acts locally on the eye, no systemic monitoring, such as regular blood tests, is typically noted in the official prescribing information.


Q: Can Atri be crushed or chewed if a person has trouble swallowing pills?

A: Atri is an ophthalmic solution (eye drop) and is intended only for topical administration to the eye. It is not designed to be swallowed, crushed, or chewed, as it is not a pill formulation.


Q: Is Atri considered a controlled substance?

A: The active ingredient Sodium Hyaluronate is not classified or scheduled as a controlled substance by regulatory agencies such as the Drug Enforcement Administration (DEA).


Q: Does Atri affect fertility or have consequences for pregnancy?

A: Studies related to reproduction did not identify specific risks related to fertility. Official information notes that use during pregnancy and lactation is generally reviewed based on the limited availability of human data.


Q: What are the signs that Atri may not be working as intended for its approved use?

A: Regulatory guidance suggests seeking medical consultation if symptoms of dryness and irritation do not improve within a few days of starting treatment. Persistent or worsening symptoms may indicate a need for a re-evaluation of the treatment plan.


Q: Is Atri associated with any mood changes or increased anxiety?

A: Mood changes or anxiety are not listed among the officially documented adverse effects for this topical ocular product, as the side effects are localized to the eye.


Q: How does Atri affect sleep patterns?

A: Alterations to sleep patterns are not listed among the officially documented adverse effects for Atri, whose effects are localized to the eye.


Q: Why is Atri sometimes described as having a risk of a specific organ issue (e.g., liver)?

A: The product is not absorbed systemically and has a purely local, physical effect on the eye. For this reason, there is no typically associated systemic risk of organ issues such as liver or kidney damage.


Q: Does Atri cause any visible physical changes (e.g., skin rash, hair loss)?

A: Regulatory safety profiles for Atri focus on local ocular reactions. Systemic changes like a skin rash or hair loss are not listed in the documented adverse effects.


Q: Why do some official sources recommend taking Atri with a meal?

A: Atri is an ophthalmic solution used topically on the eye and is not swallowed. Therefore, any instruction to take it with a meal is not applicable to this product.


Q: What is the half-life of Atri (how long does it take to reduce the concentration in the body)?

A: Because the product is not absorbed systemically into the bloodstream, a half-life for elimination from the body is not applicable to this topical medicine. It is cleared locally by the natural tear function.


Q: Does Atri have a known risk for addiction or dependence?

A: As an ocular lubricant with a purely physical effect, Atri is not associated with a known risk for addiction or physical dependence. It is not classified as a controlled substance.

How should Atri be stored and disposed of?

How to Store and Dispose of Atri?

The storage and disposal instructions for Atri (Sodium Hyaluronate Ophthalmic Solution) are strictly defined in regulatory labeling to maintain product sterility and integrity.

Storage Conditions

Atri must be stored at controlled room temperature (typically 20°C to 25°C) and protected from extreme temperatures. It is explicitly required that the solution must not be frozen.

Requirement Rule Defined by Regulatory Labeling
Container Integrity Store in the original container and keep the cap tightly closed after each use.
Sterility Protection Do not touch the container tip to the eye or any surface.
Child Safety Keep out of the sight and reach of children (NIH MedlinePlus).

Disposal

To prevent contamination, Atri has a post-opening limit, and any remaining solution must be discarded after the number of days specified on the label. Unused or expired medication should be disposed of according to local and national regulations, and must not be thrown away into drains or wastewater.

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

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