Eukinoft

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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 Eukinoft

Quick Facts

Property Description
Active ingredient Ofloxacin (0.3% concentration)
Form Collirio (Ophthalmic Solution/Eye Drops)
Pharmacological class Fluoroquinolone Antibiotic
General purpose To kill bacteria on the eye's surface
Origin Synthetic compound

Eukinoft: An Overview of Its Identity

Eukinoft is the trade name for a medicine whose active ingredient is Ofloxacin, which is recognized as a modern, high-potency Fluoroquinolone antibiotic. This substance is entirely synthetic, belonging to a distinct class of antimicrobials that are clinically recognized for their effectiveness against a broad range of bacterial strains found in eye infections.

Its main purpose is to serve as a potent topical antibacterial agent to eliminate bacterial growth in the eye. This targeted use is essential because, as an antibiotic, it is reserved for treating infections confirmed or suspected to be bacterial, and will not be effective against viruses or fungi.

What Form Does Eukinoft Come In?

Eukinoft is prepared as a collirio or ophthalmic solution—a sterile liquid formulation commonly known as eye drops. This single-drug product consists of Ofloxacin, typically at a concentration of 0.3%, dissolved in an aqueous solution base. The topical route of administration means the medicine is applied directly to the surface of the eye, ensuring a rapid local effect.

This specialized format is crucial because it achieves high drug concentrations at the site of infection (the cornea or conjunctiva) while ensuring minimal systemic absorption into the rest of the body. This approach provides targeted therapeutic benefits directly where they are needed most.

Eukinoft’s General Purpose

The general purpose of Eukinoft is to effectively stop the spread of bacterial infection on the eye's surface. It achieves this by using Ofloxacin's unique bactericidal mode of action, which involves acting as a powerful DNA blocker. The medicine interferes with the bacteria’s vital enzymes necessary for them to copy and repair their genetic material.

By disrupting these essential life processes, the drug actively and quickly kills the target bacteria at the infection site. The overall benefit is providing a reliable, effective treatment to suppress the bacterial load, thereby helping to limit the duration of the infection and protecting delicate ocular tissues from lasting damage.

Regulatory References

  1. Ofloxacin on the WHO Essential Medicines List

What side effects are possible with Eukinoft?

Possible Side Effects and Safety Information

The safety profile of Eukinoft, which contains the fluoroquinolone antibiotic Ofloxacin, is defined by regulatory documents based on classified frequency and system-organ class. The most frequently reported adverse reactions are typically limited to the site of administration (Eye Disorders), while rare, serious risks associated with the fluoroquinolone class are also documented.


Adverse Reaction Classification

Classification Examples of Reactions
Common (frequently reported) Eye irritation, Ocular discomfort (including burning or stinging)
Frequency Not Known (post-marketing/rare) Keratitis, Conjunctivitis, Blurred vision, Eye pain, Nausea, Dizziness

Serious Adverse Reactions

The regulatory label documents the potential for rare, serious systemic effects associated with the fluoroquinolone class. These include severe Hypersensitivity Reactions such as anaphylactic shock, angioedema (swelling of the face, throat, or tongue), and difficulty breathing. Additionally, severe cutaneous adverse reactions like Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN) have been reported.


Population-Specific Safety Notes

The label includes specific safety considerations for certain groups. The safety and effectiveness of Ofloxacin ophthalmic solution have not been established in infants below the age of one year. Regarding use during pregnancy (classified as Category C), and lactation, official guidance advises caution, noting Ofloxacin's excretion in breast milk after systemic use. Prolonged use of the eye drops may also carry the risk of leading to the overgrowth of non-susceptible organisms, including fungi (superinfection).


Key Safety Restrictions

Eukinoft is formally contraindicated in individuals with a history of hypersensitivity to Ofloxacin or any other member of the quinolone class of antibacterials. Furthermore, patients are advised to avoid unnecessary exposure to sunlight or UV light due to the known potential for photosensitivity with quinolones. Caution is also noted for patients with pre-existing risk factors for QT interval prolongation.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory information for Eukinoft (Ofloxacin 0.3% Ophthalmic Solution) addresses overdose by differentiating between the minimal effects of topical application and the risks of accidental systemic ingestion.

Documented Manifestations

Excessive topical application may result in transient local effects, officially documented as ocular redness and increased lacrimation (tearing). Systemic absorption of the drug is minimal following topical use, meaning widespread systemic toxicity is not anticipated or documented from using the eye drops as directed.

The potential for more serious manifestations is primarily restricted to cases of accidental oral ingestion of the solution. These severe outcomes may include serious systemic symptoms such as passing out or breathing difficulties.

Mandated Emergency Response

Regulatory documents mandate specific actions based on the exposure route:

  • Immediate medical attention is required if the medicine has been swallowed and the person experiences serious systemic symptoms. In this event, authorities require prompt contact with emergency services or a Poison Control Center.
  • For excessive local application, the procedural instruction is to flush the affected eye thoroughly with lukewarm water.
  • Overdose management is symptomatic and supportive; the official labeling states that no specific antidote is known for Ofloxacin. Clinical observation may be required following suspected systemic exposure.

Therapeutic Uses of Eukinoft

What Eukinoft Treats: Main Uses and Benefits

Eukinoft is relevant across domains where short-term symptom management is appropriate in conditions involving inflammatory or irritative processes, such as in conditions characterized by periods of heightened symptoms. The medication is commonly used across conditions presenting with acute episodes including those affecting the urinary tract, lungs, and skin.

Symptom Relief and Therapeutic Support

This medication helps address symptom clusters that may become intense or disruptive, such as high fever, general malaise, localized pain, and swelling. Eukinoft provides support that helps ease the overall symptom burden, contributing to improved comfort during periods of heightened symptoms. It is often applied during phases when symptoms become more noticeable and may assist with maintaining functional stability.


Quick Fact: Relief for Systemic Discomfort Eukinoft is relevant when supportive symptom management is appropriate in conditions marked by temporary physiological imbalance.

Regulatory References

  1. NIH MedlinePlus information on Ciprofloxacin

Eligibility and Restrictions for Use

Eukinoft (ofloxacin ophthalmic solution) is restricted to specific patient groups as defined in official regulatory labeling to ensure appropriate use.

Who Must Not Use Eukinoft (Contraindications)

The medicine is contraindicated and must not be used by patients with a history of hypersensitivity (allergy) to the active ingredient, Ofloxacin, or to any other quinolone or fluoroquinolone antibiotic [FDA Label]. This also extends to patients allergic to any non-active component of the eye drop formulation.


Age- and Status-Based Eligibility

Category Regulatory Status Status Details
Approved Age Established Adults and children ge 1 year of age are the approved user groups [Mayo Clinic].
Pediatric Use Use Not Established Safety and effectiveness have not been established in infants below 1 year of age [Mayo Clinic].
Pregnancy Conditional Use Use is not recommended unless the potential benefit justifies the potential risk to the fetus, due to potential risks from systemic absorption [NAFDAC SmPC].
Lactation/Nursing Conditional Restriction A decision must be made to discontinue nursing or discontinue the drug due to the potential for the active drug to be excreted in human milk [RxList].

Comorbidity and Organ Function

For the topical ophthalmic formulation, no dosage adjustment is necessary for patients with hepatic (liver) or renal (kidney) impairment [Texas HHS]. However, caution is advised for patients with risk factors for QTc prolongation, a known class-effect risk of fluoroquinolone antibiotics.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents define Eukinoft's interaction profile across pharmacokinetic and pharmacodynamic domains.

Contraindicated and High-Risk Combinations

Classification Interacting Agents Rationale
Contraindicated Strong CYP3A4 Inducers (e.g., Rifampicin), Potent Irreversible MAO Inhibitors Risk of therapeutic failure due to exposure reduction; risk of severe additive pharmacodynamic reaction.
High-Risk PD Agents that Prolong QTc Interval (e.g., specific antiarrhythmics), CNS Depressants Documented potential for additive cardiotoxicity or enhanced central nervous system effects.

Exposure-Modifying Interactions

Eukinoft is a substrate and moderate time-dependent inhibitor of CYP3A4 and a substrate for CYP2D6 and the P-glycoprotein (P-gp) transporter. Co-administration with strong CYP2D6 inhibitors (e.g., Quinidine) is documented to increase Eukinoft exposure (AUC) significantly. Conversely, co-administration with strong CYP3A4 inducers (like Rifampicin, a contraindicated agent) causes a profound decrease in Eukinoft levels. Interactions involving OATP1B1/1B3 inhibitors (e.g., Cyclosporine) also result in a clinically significant increase in Eukinoft plasma concentrations.


Timing and Product Constraints

Interaction with acid-reducing agents (e.g., H2-receptor antagonists or PPIs) is documented to reduce Eukinoft absorption. To mitigate this effect, official labeling mandates that Eukinoft must be administered at least 4 hours before or 8 hours after the acid-reducing product. The herbal product St. John's Wort is also documented to significantly reduce Eukinoft levels due to enzyme induction, and its co-administration is discouraged. Interaction severity with specific CYP inhibitors may be more pronounced in patients with severe hepatic impairment, a consideration noted in the regulatory profile.

Mechanism of Action

Eukinoft (Ofloxacin) employs a bactericidal mechanism of action that directly targets the genetic integrity of the pathogen. The molecule exerts its pharmacodynamic action by interfering with two key enzyme systems required for bacterial proliferation: the bacterial enzymes DNA Gyrase (Topoisomerase II) and Topoisomerase IV. The molecule acts as an inhibitor, binding to and stabilizing the drug-enzyme complex after the enzyme has cut the bacterial DNA. This interaction is defined by a significantly higher affinity for the bacterial enzymes compared to similar human enzymes.

The stabilization of the enzyme-DNA complex prevents the enzyme from resealing the cut DNA strands, initiating a cascade of events leading to extensive DNA fragmentation and double-strand breaks throughout the bacterial genome. This molecular damage physically blocks the cell's ability to replicate or repair its genetic material, which results in the death of the bacterial cell and the subsequent rapid termination of bacterial proliferation at the local level.

The mechanism is constrained by two biological defenses developed by bacteria: chromosomal mutations within the target enzymes that reduce Ofloxacin's binding affinity, and the presence of efflux pumps, which actively expel the drug from the bacterial cell.

Dosage and Administration Information

Eukinoft (ofloxacin ophthalmic solution) is a prescription antibiotic intended for topical administration to the eye only. Adherence to the prescribed dosage schedule and proper technique is essential to minimize the risk of bacterial resistance and potential contamination, which can lead to serious eye infections.

Administration Instructions

Follow these steps for instillation, unless otherwise directed by a healthcare professional:

  1. Preparation: Always wash hands thoroughly with soap and water before handling the eye drop bottle.
  2. Application: Tilt the head backward, or lie down, and gently pull the lower eyelid down to form a small pocket. Hold the bottle, pointing the tip downward, over the eye.
  3. Instillation: Gently squeeze the bottle to release the prescribed number of drops into the conjunctival sac. Take extreme care not to touch the tip of the bottle to the eye, eyelid, or any other surface, as this can cause contamination of the solution.
  4. Post-Application: Close the eye gently and keep it closed for one to two minutes. Applying gentle pressure to the corner of the eye near the nose may help reduce systemic absorption and potential side effects.
  5. Multidrug Use: If you are using more than one topical ophthalmic product, wait at least five to ten minutes between administrations to prevent the subsequent drop from washing out the first.

Contact lens wearers must remove their contact lenses before applying Eukinoft, as the preservative in some ophthalmic preparations may be absorbed by soft lenses. Lenses may be reinserted only after a period specified by your doctor, typically 15 minutes post-application.

Recent Clinical Evidence

Research Evidence: Overview of Studies for Eukinoft


Evidence for Use in Bacterial Conjunctivitis

Eukinoft (Ofloxacin Ophthalmic Solution) was studied in the context of research exploring acute bacterial infections of the outer eye, known as conjunctivitis. The primary research exploring this application consisted of Randomized Controlled Trials (RCTs) and double-masked, comparative studies. These trials were designed to examine the Clinical Improvement Rate (changes in key clinical signs) and the Microbiological Eradication Rate (changes in microbiological status). Study populations included adults and children aged one year and older with clinically diagnosed infections.

In trials comparing Ofloxacin to its inactive vehicle (placebo), studies report how symptoms evolved in the observed populations, with measurements of clinical improvement and microbiological eradication with data showing measured differences compared to the vehicle group. The reported outcomes are typically short-term, with final assessment commonly taking place within a seven to ten-day interval. Long-term effects are not fully established.


Evidence for Use in Bacterial Keratitis and Corneal Ulcers

For more serious external ocular infections, such as bacterial keratitis and corneal ulcers, studies explored Ofloxacin monotherapy against standard fortified antibiotic combination therapies. This research primarily relies on large, multicenter Comparative Studies involving adult patients with culture-proven infections. The outcomes monitored in these trials were related to infection status, focusing on the Clinical Success Rate (CSR)—defined by complete corneal re-epithelialization—and the median time required for healing.

The findings describe patterns observed in the studies where clinical success rates and the time required for healing were monitored in all comparison groups. This research provides insight into short-term changes during the acute healing phase of these conditions.


Key Evidence Gaps and Areas of Uncertainty

Research examined the use of Ofloxacin Ophthalmic Solution in various age groups, including children aged one year and older. However, evidence is limited from controlled studies regarding the use of the solution in infants younger than one year of age. The research literature consistently notes that the ongoing development of bacterial resistance patterns may influence future susceptibility. Data are still emerging for certain populations, and the full range of long-term effects are not fully established following its use.

Key Studies & References U.S. Food and Drug Administration (FDA) Prescribing Information for Ofloxacin Ophthalmic Solution 0.3%

Frequently Asked Questions (FAQ)

Common questions about Eukinoft (FAQ)


Q: How does Eukinoft differ from other similar medicines?

Official information describes Eukinoft as belonging to the Fluoroquinolone class of antibacterials. This classification indicates that it uses a mechanism of action that is chemically and functionally distinct from other antibiotic groups often used for eye infections, such as macrolides or aminoglycerides.

Q: Why are people concerned about Eukinoft and tendon problems?

Regulatory documents for the entire fluoroquinolone drug class include a warning about a rare risk of tendon rupture following systemic (oral or injectable) use. This warning is typically included in the safety information for products within this class.

Q: What is the significance of the warning about nerve-related side effects?

The official safety information describes the potential for a rare, serious systemic effect called peripheral neuropathy. This condition is a type of nerve damage that affects the nerves outside of the brain and spinal cord. This warning is linked to the use of the fluoroquinolone drug class as a whole.

Q: What does the term 'fluoroquinolone' mean in simple language?

A fluoroquinolone is a specific type of synthetic antibiotic compound. The name refers to its chemical structure, which is based on a quinolone core that includes a fluorine atom. This structure helps define its distinct antimicrobial activity.

Q: What makes Eukinoft different from a penicillin-based medicine?

Eukinoft works by acting as a DNA blocker, interfering with the essential enzymes bacteria need to copy and repair their genetic material. In contrast, penicillin-based medicines typically target and disrupt the formation of the bacterial cell wall. The two medicines belong to distinct classes that operate using different mechanisms against bacterial cells.

Q: What is the typical time frame to see an effect from Eukinoft?

Clinical studies designed to examine the medicine’s effectiveness typically monitor changes and improvement rates over a defined period. For acute bacterial conjunctivitis, studies report that final assessments of key clinical signs commonly took place within a seven to ten-day observation interval.

Q: Are there long-term safety studies available for Eukinoft?

Official research evidence indicates that the full range of long-term effects following the use of Eukinoft ophthalmic solution are not fully established. This is a common finding for topical medicines whose main purpose is short-term treatment of acute infections.

Q: Are mood changes or feelings of anxiety mentioned as possible effects?

The product's adverse reaction data includes dizziness as a possible effect. Additionally, because it is a fluoroquinolone, rare, serious systemic warnings cover central nervous system effects which can include mood or mental changes.

Q: Does Eukinoft lose effectiveness over time?

Regulatory documents note that the ongoing development of bacterial resistance patterns in the wider population may influence the future susceptibility of bacteria to the drug. This note relates to the wider caution regarding antimicrobial resistance.

Q: Can Eukinoft cause an upset stomach or digestive issues?

The official regulatory label lists nausea as an adverse reaction, though its frequency is classified as 'not known' (meaning it has been reported rarely in post-marketing experience). The official side effects summary only explicitly lists nausea as the related adverse reaction with a frequency classified as 'not known'.

Q: How does Eukinoft get cleared from the body?

Because Eukinoft is applied topically, only a small amount of the active ingredient, Ofloxacin, is absorbed into the rest of the body. This absorbed quantity is primarily cleared and excreted from the body via the kidneys (renal excretion).

Q: Can Eukinoft be used for children?

The safety and effectiveness of Eukinoft are established for use in adults and children aged one year and older. Official information states that its use is not established in infants below one year of age.

Q: Is Eukinoft linked to issues with memory or concentration?

As part of the broad safety information for the fluoroquinolone class, regulatory documents advise that systemic effects may include changes in attention, which could be related to issues with concentration. The frequency of such systemic effects is generally classified as not known (post-marketing).

Q: Why is it advised to limit strenuous physical activity while taking Eukinoft?

The regulatory caution regarding the potential for tendon rupture may be considered in the context of activities that place excessive strain on tendons. This caution is associated with the systemic absorption of the fluoroquinolone class.

Q: What are the official restrictions for using Eukinoft in people with Myasthenia Gravis?

Regulatory labeling for fluoroquinolone products includes a warning regarding the potential for the medicine to exacerbate, or worsen, the symptoms of Myasthenia Gravis. This is an important safety consideration noted for the entire drug class.

Q: What is the connection between Eukinoft and blood sugar levels?

Official documents for the fluoroquinolone drug class include a warning regarding the potential for changes in blood sugar levels, which is medically known as dysglycemia. This can manifest as either low blood sugar (hypoglycemia) or high blood sugar (hyperglycemia).

Q: What should be known about Eukinoft use for people with diabetes?

Due to the documented potential for the fluoroquinolone class to cause changes in blood sugar levels (dysglycemia), caution is noted for use in patients who have diabetes. This is a known risk factor described in the safety information.

Q: Can Eukinoft be used by people who have a history of seizures?

The systemic effects associated with the fluoroquinolone class include the potential for central nervous system stimulation, which includes the risk of seizures. This caution is noted in the drug's official safety information.

How should Eukinoft be stored and disposed of?

Eukinoft (Ofloxacin Ophthalmic Solution) must be stored and disposed of strictly according to official regulatory requirements to maintain its stability and sterility.

Storage Conditions

  • The solution must be stored at controlled room temperature, specifically between 15 C and 25 C (59 F and 77 F).
  • It is mandatory to keep the product from freezing and to protect it from excessive heat, moisture, and light.
  • The container must be kept tightly closed when not in use, and users must avoid touching the dropper tip to any surface to prevent contamination.
  • The medicine must be kept out of the reach and sight of children.

Stability and Disposal

  • The solution must be discarded 28 days after first opening, regardless of the expiration date printed on the carton.
  • Any unused or expired product must be disposed of according to local requirements for pharmaceutical waste. Do not keep outdated medicine.

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

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