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Colircusi De Icol

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Colircusi De Icol

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Treatment option:

Medically reviewed

Marina Burgos

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.

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Overview of Colircusi De Icol

Quick Facts

Property Description
Active Ingredients Chloramphenicol, Dexamethasone
Form Ophthalmic Solution (Eye Drops)
Pharmacological Class Corticosteroid and Anti-infective Combination
Common Use Topical Ocular
Origin Synthetic

What Type of Medicine is Colircusi De Icol?

Colircusi De Icol is classified as a fixed-dose combination product specifically engineered for topical ocular administration. It belongs to the therapeutic class of Corticosteroid and Anti-infective Combinations, a designation used for medicines that strategically pair two distinct therapeutic agents. The medicine's core purpose is to deliver a simultaneous dual action: controlling infectious elements while mitigating the accompanying inflammation in the anterior structures of the eye. This classification, which includes ophthalmic products combining an anti-inflammatory and an anti-infective, is recognized under the Anatomical Therapeutic Chemical (ATC) Classification System. This combination format is clinically recognized for providing effective symptomatic relief while addressing the potential bacterial cause, supporting its use in situations where both infection and swelling are present. Unlike single-ingredient ophthalmic preparations, this fixed formulation is designed to provide comprehensive management against both microbial growth and the destructive cycle of acute inflammation concurrently.


Composition of Colircusi De Icol: A Dual-Action Formulation

The medicine’s functional identity is defined by its two principal synthetic active ingredients: the antibiotic Chloramphenicol and the corticosteroid Dexamethasone. Chloramphenicol serves as the anti-infective component, functioning as a broad-spectrum antibiotic used to control bacterial presence by inhibiting protein synthesis. Conversely, the corticosteroid Dexamethasone acts as a powerful anti-inflammatory agent, providing relief from swelling, redness, and discomfort through its systemic classification as a glucocorticoid. The Colircusi De Icol brand is particularly known in several European markets, providing the sterile ophthalmic solution (eye drops, or colirio) form for direct application. This combination ensures the overall general benefit is the effective control of microbial load coupled with the rapid suppression of the inflammatory response, often used when treating the acute redness and swelling accompanying specific ocular infections.

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What side effects are possible with Colircusi De Icol?

Possible Side Effects and Safety Information

This section describes the officially documented adverse reactions and safety constraints for Colircusi De Icol (containing Chloramphenicol and Dexamethasone), strictly based on governmental regulatory information.


Adverse Reaction Categories

Side effects are primarily categorized by frequency and the organ system affected, as follows:

  • Eye Disorders: Common reactions include transient stinging, burning, itching, or irritation immediately following application.
  • Immune System Disorders: Hypersensitivity reactions (e.g., rash, angioedema) have been documented.
  • Blood and Lymphatic System Disorders: This category includes the most serious risks associated with Chloramphenicol. Irreversible, fatal aplastic anaemia has been reported, even following topical eye use, though this is considered a rare event. Bone marrow depression may also occur.

Key Safety Constraints and Restrictions

Colircusi De Icol should be used only for the minimum period necessary. Prolonged or repeated use increases the risk of sensitization, emergence of resistant organisms, and may increase the risk of serious complications like optic neuritis.

Constraint Area Regulatory Requirement
Pre-existing Conditions Contra-indicated in patients with a history of bone marrow depression or other blood dyscrasias.
Vulnerable Populations Not recommended for use during pregnancy or lactation. Contra-indicated in newborn infants.
Local Use Patients must not wear contact lenses during the treatment period.

The Dexamethasone component (corticosteroid) carries additional risks, including the potential for elevated intraocular pressure and cataract formation with prolonged use.

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Overdose and Emergency Response

Overdose and when to seek help

The information below is based strictly on documented statements from authoritative government regulatory sources concerning the management of overdose.

Overdose Scope

The likelihood of an acute systemic overdose resulting from the topical application of Colircusi De Icol eye drops is classified as minimal in regulatory documents. Official reports indicate no specific cases of overdose have been documented for this combination product through routine use.

Required Emergency Actions

The primary overdose concern identified in regulatory labeling is the accidental ingestion of the vial contents. In the event of accidental ingestion, individuals must contact a healthcare professional, hospital emergency department, or regional poison control centre immediately, even if no acute symptoms are present.

Accidental ingestion by infants or young children is a specific regulatory concern and requires immediate contact with a doctor or Poison Control Centre due to potential population-specific metabolic risks associated with Chloramphenicol.

Supportive Management

Official prescribing information confirms that no specific antidote is known for the active substances (Chloramphenicol and Dexamethasone). Treatment for overdose is therefore symptomatic and supportive, focused on initiating measures to delay and reduce the extent of absorption of the active components following ingestion. For undesired or excessive eye contact resulting in irritation, irrigation of the exposed eye(s) for at least 15 minutes is advised.

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Therapeutic Uses of Colircusi De Icol

The therapeutic utility of this combination medicine is relevant in contexts involving anti-inflammatory and anti-infective management, particularly for conditions characterized by periods of heightened symptoms.

The combination medicine is commonly used across conditions presenting with acute episodes of the eye or ear, including bacterial conjunctivitis, keratitis, blepharitis, iritis, otitis externa, and post-operative inflammation. It is applied in clinical settings that involve acute or unstable symptom patterns, such as when supportive relief for inflammation is sought following eye or ear surgery, or to help with acute swelling after certain corneal injuries.

The medication is relevant for easing symptoms that interfere with daily comfort like intense redness and swelling. It is applied in addressing symptom clusters that may become intense or disruptive.

“The combination of anti-infective and anti-inflammatory support is considered relevant when short-term symptomatic assistance is needed.”

This supports general well-being during symptomatic phases and contributes to improved comfort during periods of heightened symptoms in both the ocular and aural domains.


Quick Fact: Relief for Inflammatory Discomfort

Category Utility
Symptom Axes Redness, swelling, irritation, acute pain
Common Scenario Post-operative or post-traumatic inflammation
Patient Benefit Supports symptom management and stability
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Eligibility and Restrictions for Use

Who can and cannot use Colircusi De Icol?

The population eligibility for Colircusi De Icol (Chloramphenicol/Dexamethasone Ophthalmic Solution) is strictly regulated, defining who is permitted to use the medicine and who is prohibited.

Absolute Contraindications (Must Not Use)

The medicine is contraindicated and must not be used by specific patient groups, as defined by official labeling:

  • Patients with known hypersensitivity to Chloramphenicol, Dexamethasone, or any inactive ingredient.
  • Individuals with a history of bone marrow suppression or specific blood dyscrasias, including aplastic anemia, due to the systemic risk associated with Chloramphenicol.
  • Patients with most viral infections (e.g., Herpes simplex), fungal diseases, or ocular tuberculosis.
  • Neonates (infants under 28 days of age).

Restricted and Conditional Use

Official regulatory documents classify use in certain populations as restricted or requiring caution:

  • Pregnancy and Lactation: The medicine is not recommended for use during pregnancy or while breastfeeding due to the systemic absorption of both active ingredients.
  • Pediatric Use: Use in infants (28 days to three months) and children under two years should be approached with caution due to limited safety data.
  • Comorbidities: Use requires caution in patients with conditions such as Glaucoma, Diabetes Mellitus, or hepatic impairment.
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What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines officially documented interaction patterns based on regulatory prescribing information for Colircusi De Icol (Chloramphenicol and Dexamethasone ophthalmic solution).


Contraindicated Combinations and Warnings

Formal restrictions exist due to the potential for systemic absorption of the active ingredients, which may lead to significant interaction risks.

Category Documented Interaction Restriction
Myelosuppressive Agents Co-administration with medicinal products that may depress bone marrow function (e.g., Methotrexate) is officially avoided due to the risk of irreversible hematologic toxicity from Chloramphenicol.
Topical Ocular NSAIDs Concomitant use with the Dexamethasone component is not recommended in patients with a history of corneal inflammation.
Topical Bactericidal Antibiotics Co-administration may result in antagonism, potentially inhibiting the bacteriostatic effect of the Chloramphenicol component.

Pharmacokinetic and Timing Requirements

Interactions involving changes to drug levels and administration scheduling are formally documented.

  • Enzyme Inhibitors: Co-administration with certain CYP3A4 enzyme inhibitors (e.g., Ritonavir) may increase the plasma concentrations of Dexamethasone by decreasing its clearance.
  • Enzyme Inducers: Agents like phenytoin or rifampicin may reduce the therapeutic efficacy of Dexamethasone by increasing its clearance.
  • Anticoagulants: The systemic absorption of Chloramphenicol may increase the effect of oral anticoagulants (e.g., Warfarin).
  • Timing Rule: If administered with other ocular medicinal products, a minimum separation of at least 5 minutes between applications is required.
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Mechanism of Action

Targeting Microbial Protein Production

This domain covers the antibiotic component, Chloramphenicol, which acts by inhibiting the peptidyl transferase step on the bacterial 50S ribosomal subunit . This binding halts the production of essential proteins within susceptible microorganisms, thereby disrupting their growth and replication, resulting in the inhibition of microbial growth and proliferation.


Modulating Local Defense Signaling

This domain addresses the steroid component, Dexamethasone, which works as a Glucocorticoid Receptor agonist to suppress gene expression via pathways like NF-kappaB. This mechanism modifies molecular steps that regulate the release of chemical mediators and the migration of defense cells, which results in the modulation of capillary dilation and reduced extravasation of fluid.

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Dosage and Administration Information

How to Use Colircusi De Icol — Administration Guidelines

This section summarizes the usage instructions for Colircusi De Icol. The medicine is administered topically using specific guidelines for both ocular (eye) and auricular (ear) use.


Administration Details

Feature Ocular (Eye) Administration Auricular (Ear) Administration
Route Topical, Eye Topical, Ear
Dose Two drops applied to the affected eye. 2–3 drops into the ear canal.
Frequency Every three hours. Twice or thrice daily.

Procedural and Duration Requirements

Ocular Use Protocol

Administration for the eye follows a structured, time-limited regimen:

  • Initial Intensive Period: Treatment must be administered day and night for the first 48 hours at the specified frequency (every three hours).
  • Adjustment: After the initial 48 hours, the interval between applications may be increased.
  • Overall Duration: Treatment should be continued for at least 48 hours after the affected eye appears normal or for approximately 7 days. Treatment must not be continued for more than 3 weeks without a re-evaluation by the prescribing physician.

Handling and Storage Limitations

Proper technique is required for administration. Users must ensure they close the bottle immediately after use. Furthermore, the solution must not be used longer than one month after opening to maintain product stability and sterility as defined in the product instructions.

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Recent Clinical Evidence

Research Evidence / Overview of Studies for Colircusi De Icol

Official summaries indicate the evidence base for the Chloramphenicol/Dexamethasone combination (Colircusi De Icol) includes clinical studies evaluating its two active components when used together. Research has explored how this dual formulation, combining an antibiotic and a corticosteroid, was evaluated in specific eye conditions. The evidence available provides context on short-term response patterns observed in groups, but research describes group trends, not individual predictions.


Evidence for Use in Acute Ocular Infection and Inflammation

Research has explored this combination in patients experiencing conditions marked by functional limitations due to both swelling and bacterial presence. The available evidence includes Randomized Controlled Trials (RCTs) and observational post-marketing studies that observed responses over defined time intervals. Many regulatory bodies also reference the established scientific evidence for the individual active components and other, similar combination products, which forms part of the overall evidence base.

In these studies, research examined outcomes linked to inflammatory or irritative states, such as measurements of ocular redness (hyperemia) and swelling (oedema). They also monitored microbial endpoints, such as changes in the amount of bacteria present. Patient-reported outcomes describing perceived discomfort, such as pain scores, were also monitored. Studies monitored patterns in the patient-reported outcomes describing perceived discomfort over the short treatment course.

However, comparative evidence is lacking specifically for this exact fixed-dose combination compared directly against using an antibiotic or a steroid alone in large, independent trials. The data gathered provide context on short-term changes, but the limited follow-up durations mean that evidence for long-term recurrence or effects beyond the period of acute treatment remains insufficient.


Evidence in Specific Patient Populations

Research included older adult populations in the study cohorts for acute infection and post-operative settings. The results apply only to the populations studied, and findings describe group patterns observed in these adult groups.

However, data for certain groups remain insufficient. There is a specific constraint that means controlled trial data for this combination medicine in the paediatric population is limited or insufficient, with some regulatory bodies placing strict limitations or cautions on its use in very young children.


What Is Still Uncertain About the Research for Colircusi De Icol

The evidence quality varies across studies, and several key research limitation frames apply to the body of evidence. The body of evidence, which includes established data for the two separate components (Chloramphenicol and Dexamethasone), shows comparative data are lacking for this fixed combination versus the sequential or separate use of its ingredients.

Furthermore, long-term effects are not fully established, and the evidence is derived from settings with varying symptom burdens. Subgroup findings are uncertain, as sample sizes were modest in many studies, making it difficult to draw conclusions for diverse patient profiles. These limitations contribute to the documented difficulty in synthesizing a unified summary across all research and highlight areas where research is ongoing or still needed.

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Frequently Asked Questions (FAQ)

Common questions about Colircusi De Icol (FAQ)

Q: How quickly should I feel better after starting Colircusi De Icol?

Official research documents describe monitoring the short-term response patterns experienced by patient groups following the start of therapy. While regulatory summaries do not specify an exact timeframe for symptom relief, studies look for changes in discomfort scores and inflammation levels shortly after treatment begins.


Q: Can Colircusi De Icol cause eye dryness?

The official product information for the Dexamethasone component documents dry eyes as a known adverse reaction. While most common side effects are mild and include temporary stinging or burning, eye dryness is noted as a less common reaction.


Q: What are the most common reasons someone would stop taking Colircusi De Icol?

According to administration guidelines, the primary reason for stopping treatment is the completion of the full prescribed course of therapy. This duration is typically defined in the instructions, such as continuing for a specific period after the affected area appears normal, as officially defined for successful completion of the course.


Q: Has Colircusi De Icol been reviewed by the FDA/EMA?

This medicine is reviewed by governmental and regulatory bodies, such as National Competent Authorities in Europe. These agencies require official documents like the Summary of Product Characteristics (SmPC) to be published, which define the medicine's authorized uses, safety warnings, and administration details.


Q: Do allergies affect who can use Colircusi De Icol?

Hypersensitivity reactions (allergic reactions) are documented adverse effects of this medicine. Official warnings state that a patient's history of allergic reactions to the medicine itself, other medicines, foods, or substances should be considered by the prescribing professional.


Q: Does the drug have any known cross-reactivity with common antibiotics?

Official documents specifically caution against concomitant use with topical bactericidal antibiotics. This is because using both types of antibiotics at the same time may result in antagonism, potentially reducing the effectiveness of the anti-infective component in Colircusi De Icol.


Q: How is the potency of Colircusi De Icol described?

Colircusi De Icol is officially defined as a fixed-dose combination product designed for a dual therapeutic action. It combines the broad-spectrum antibiotic Chloramphenicol with the powerful corticosteroid Dexamethasone to address both microbial presence and inflammation concurrently.


Q: What happens if I miss a scheduled application of Colircusi De Icol?

The official product information contains a specific protocol describing the steps to follow if an application is missed. This guidance details how to resume the regular application schedule, differentiating between whether the missed dose is remembered soon after the scheduled time versus when it is almost time for the next dose.


Q: Can Colircusi De Icol affect driving or operating machinery?

Official product information indicates that the medicine may cause temporary visual disturbances like blurred vision immediately following application. The label includes a specific warning that these temporary visual disturbances may affect the ability to drive or operate machinery until vision has returned to normal.


Q: Why do some people experience blurred vision with Colircusi De Icol?

Blurred vision is a known side effect that may be experienced after applying the eye drops. It is typically considered a transient visual disturbance caused by the solution on the eye's surface, and it is expected to resolve quickly.


Q: Are changes in vision a known, but less common, side effect?

Official documentation indicates that changes in vision or decreased vision are known side effects that have been reported during treatment with this medicine. Official patient information describes how to proceed if a patient experiences significant or persistent vision changes.


Q: Can Colircusi De Icol be used by patients who have had prior eye surgery?

The Dexamethasone component, a potent corticosteroid, is widely recognized in official settings for its use in the post-operative setting. It is used to manage and reduce inflammation and pain that may follow various types of eye surgery, such as cataract surgery.


Q: Why is proper application technique important for Colircusi De Icol?

Proper application technique is important to prevent contamination of the medicine. Regulatory documents stress that the dropper tip must not touch the eye or any other surface as a requirement for maintaining the sterility of the solution.


Q: Are certain eye conditions listed as contraindications for Colircusi De Icol?

Official warnings indicate that this medicine is typically contra-indicated in patients who have specific, pre-existing eye conditions. These usually include viral infections of the eye, such as herpes simplex keratitis, and certain fungal or tuberculous diseases of the eye.


Q: Can Colircusi De Icol be shared between family members?

To maintain the sterility of the medicine and prevent the potential transfer of infection, official guidelines require that the applicator tip must not touch any surface. Regulatory warnings describe the product as being for single-person use to support hygiene and safe administration.


Q: Is Colircusi De Icol known to cause sensitivity to light (photophobia)?

Sensitivity to light, clinically known as photophobia, is a known adverse reaction associated with this type of medicine. This effect is documented in official summaries, typically as a result of the inflammatory management component.

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How should Colircusi De Icol be stored and disposed of?

How to Store and Dispose of Colircusi De Icol

Official regulatory documentation requires specific conditions for storing and disposing of Colircusi De Icol (Chloramphenicol and Dexamethasone Ophthalmic Solution) to ensure stability and safety.


Storage Requirements

Condition Regulatory Mandate
Temperature Store below 25 C (77 F). Do not freeze.
Protection Keep in the original container and protect from light.
Stability (Opened) Discard any unused solution 15 days after first opening.
Child Safety Keep out of the sight and reach of children.

Disposal Instructions

Any unused medicine or waste material must be disposed of in accordance with local regulatory requirements. The medicine must not be disposed of via wastewater or household trash unless specifically authorized by local waste disposal experts. Proper disposal methods ensure the safe handling of the unused pharmaceutical product.

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

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