Dulcilarmes

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Dulcilarmes

Medically reviewed

Laura Arias

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 Dulcilarmes

Property Description
Active ingredient Povidone Iodine (PVP-I)
Form Ophthalmic solution (Eye drops)
Pharmacological class Antiseptic, Germicide, Iodophor
General purpose Local microbial disinfection
Origin Synthetic complex

What Type of Medicine is Dulcilarmes and How is it Classified?

Dulcilarmes is an ophthalmic solution classified as an antiseptic and germicide, specifically designed for use on the surface of the eye. This liquid preparation belongs to the iodophor pharmacological group, which defines its mechanism of action as a powerful agent for microbial control. Povidone Iodine is considered an essential medicine due to its broad utility as a foundational anti-infective agent. The product’s primary function is to provide effective, broad-spectrum disinfection and limit the presence of micro-organisms, including bacteria, viruses, and fungi. Its identity is strictly that of a local, topical agent, a method clinically recognized for achieving rapid surface antisepsis.

Composition and Nature of Povidone Iodine

The single active ingredient in Dulcilarmes is Povidone Iodine (PVP-I), a synthetic complex that delivers the disinfecting power of iodine in a stable, water-soluble form. Povidone Iodine is created by binding elemental iodine to a polymer carrier, Polyvinylpyrrolidone (Povidone), which functions as a stabilizing and release-controlling agent. Povidone Iodine is recognized for its efficacy against a vast spectrum of pathogens responsible for superficial infections. This broad-spectrum capability is a differentiating factor from narrow-spectrum topical agents. The design of the complex ensures the gradual and sustained delivery of free iodine, which is the microbicidal substance, while maintaining a formulation that is appropriate for the delicate ocular environment. As a single-component product delivered in an aqueous vehicle, its physical form ensures easy dispersion and tolerance upon ophthalmic administration, defining its suitability for delicate patient groups requiring eye surface preparation.

Regulatory References

  1. Povidone Iodine on WHO Essential Medicines List
  2. WHO Essential Medicines List
  3. Povidone Iodine: Broad Spectrum Antiseptic (NIH/PMC)

What side effects are possible with Dulcilarmes?

Officially Documented Adverse Reactions

The following safety information reflects the adverse reactions and constraints for Povidone Iodine ophthalmic solution, the active ingredient in Dulcilarmes, as formally documented in government regulatory labeling. Adverse reactions are grouped by the affected System Organ Class (SOC) and assigned a frequency classification based on regulatory standards.

System Organ Class Documented Adverse Reactions (Frequency Classification)
Immune System Disorders Hypersensitivity, Anaphylactic reactions (including anaphylactic shock) (Not known)
Eye Disorders Conjunctival hyperaemia, Eye irritation, Superficial punctate keratitis, Superficial punctate epitheliopathy (Not known); Corneal calcification (Very rare)
Endocrine Disorders Hypothyroidism, Abnormal thyroid function (Not known)

Serious adverse reactions documented in regulatory sources include anaphylactic reactions and significant abnormal thyroid function.


Population-Specific Safety Statements

Official labeling includes specific restrictions related to certain groups:

  • Infants: The product is contraindicated in infants up to one month of age. Use in neonates and pre-term infants requires caution due to the risk of abnormal thyroid function, which may require monitoring.
  • Thyroid Dysfunction: Caution is required in patients with pre-existing thyroid dysfunction and in the elderly due to the risk of developing thyroid abnormalities.
  • Pregnancy and Breast-feeding: Use during these periods is only permitted where the potential benefit is determined to outweigh the risk to the fetus or infant, as Povidone Iodine can pass into the placenta and breast milk.

Constraints and Safety Limitations

Dulcilarmes is contraindicated in individuals with a known hypersensitivity to Povidone Iodine or any excipients. Regulatory documents specify that concurrent use with topical ophthalmic formulations containing mercury-based preservatives must be avoided. Risks associated with long-term ophthalmic therapy include the potential for aggravating existing tear film abnormalities or dry eye syndrome.

Overdose and Emergency Response

The official regulatory profile for Povidone Iodine overdose addresses the potential for systemic toxicity, which is primarily documented in the context of accidental ingestion or extensive application beyond the intended ophthalmic use. Immediate medical attention or emergency medical care is mandated upon known or suspected overdose.

Feature Official Regulatory Statements
Documented Manifestations Gastrointestinal distress (nausea, vomiting, abdominal pain), metabolic acidosis, and elevated serum iodide concentration.
Severe Outcomes Acute renal failure, cardiovascular collapse, and laryngeal edema are officially listed as potential life-threatening risks.
Emergency Action Required Contact emergency services immediately. Hospital monitoring may be required.
Management Focus Treatment is symptomatic and supportive. No specific antidote is known.

The potential for systemic toxicity can affect multiple physiological systems, including the renal system and the cardiovascular system. Specific consideration is noted in regulatory documents for patients with pre-existing renal dysfunction, who may face an increased risk of severe renal impairment following exposure. Management requires continuous monitoring of vital signs, electrolyte status, and renal function. This structure defines the high-risk nature of a severe overdose and the explicitly mandated emergency response.

Therapeutic Uses of Dulcilarmes

Quick Facts: Dulcilarmes

  • Primary Use: Managing symptoms associated with dry eye syndrome (lacrimal insufficiency).
  • Benefits: May help alleviate discomfort, burning, stinging, and foreign body sensation.
  • Mechanism: Acts as a tear substitute to provide lubrication and hydration to the ocular surface.

What Dulcilarmes Treats: Main Uses and Benefits

Dulcilarmes is indicated for the symptomatic management of dry eye, a condition often caused by insufficient natural tear production (lacrimal insufficiency). This ophthalmic solution is used to address the characteristic discomfort, which can include sensations of stinging, burning, or having a foreign body in the eye.

It may help to provide lubrication and hydration to the surface of the eye, offering the potential for improved eye comfort and maintenance of daily function. By functioning as a tear substitute, it aids in compensating for the lack of natural tears.

Eligibility and Restrictions for Use

Who Can and Cannot Use Dulcilarmes? (Official Regulatory Information)

Eligibility for Dulcilarmes (Povidone Iodine ophthalmic solution) is strictly governed by population-specific restrictions defined by regulatory authorities to manage the potential for systemic iodine absorption.

Contraindicated and Restricted Use

Dulcilarmes is absolutely contraindicated for individuals with known hypersensitivity to Povidone Iodine, iodine, or any of its excipients. Use is also prohibited in infants up to one month of age, including pre-term infants, due to the high risk of systemic absorption affecting the developing thyroid.

Conditional Eligibility and Age-Related Rules

Use is not recommended in pregnant or breastfeeding women, as regulatory documents advise caution due to the risk of iodine transfer to the fetus or infant. The medicine requires special caution in patients with pre-existing thyroid dysfunction and in the elderly, where monitoring may be necessary during repeated application. While the adult dose may be used in children and adolescents, the safety and effectiveness in the overall pediatric population have not been established by certain regulatory bodies. Furthermore, the product must not be used for intra-ocular injection and must be strictly confined to the cutaneous-conjunctival surface.

What should I know about interactions with other medicines?

Official Regulatory Interaction Profile

The interaction profile for Dulcilarmes (Povidone Iodine Ophthalmic Solution) is defined primarily by local chemical and pharmacodynamic principles, as systemic pharmacokinetic interactions are not documented due to the negligible absorption of the topical solution.

Contraindicated and Avoided Combinations

Co-administration is strictly contraindicated with topical ophthalmic preparations that contain mercury-based preservatives, such as thiomersal. This restriction is based on a documented chemical incompatibility that risks the formation of caustic compounds. Furthermore, the concomitant or subsequent use with other antiseptic agents or detergents must be avoided to prevent pharmacodynamic interference and potential inactivation of the intended germicidal effect.

Administration and Population Constraints

A timing-based interaction rule requires that the solution must not be mixed with any other medicinal products to ensure administration separation.

Population-specific interaction notes relate to the potential for iodine absorption. Caution is advised for patients with pre-existing thyroid dysfunction, and for pre-term infants, neonates, and the elderly, as regular or prolonged application may carry an increased risk of interfering with thyroid function or diagnostic tests.

This entire interaction structure is explicitly defined by regulatory documents, focusing on local risks and specific systemic effects in susceptible populations.

Mechanism of Action

The mechanism of Dulcilarmes is fundamentally defined by the unique, non-specific chemical action of its active component, free iodine ( I2), which is continuously released from the polymer carrier. This molecule acts as a highly reactive oxidant and halogenating agent. The I2 indiscriminately targets essential macromolecules within pathogens, including structural and enzymatic proteins, DNA, RNA, and unsaturated fatty acids in the cell membrane. This multi-target chemical damage results in the rapid and irreversible denaturation of proteins and the immediate functional shutdown of the microbe's metabolic and genetic processes.

The antiseptic mechanism proceeds through a swift cascade where this oxidative damage physically collapses the microbial structure. Since the mechanism attacks multiple cellular components simultaneously, it results in a low likelihood of inducing microbial resistance factors. This non-inducible profile is a direct physiological consequence of the destruction, contributing to the physical destruction and functional inactivation of a broad spectrum of common pathogens. Efficacy is constrained, however, by the presence of extraneous organic material, which preferentially binds to and neutralizes the active moiety.

Dosage and Administration Information

The administration of Dulcilarmes (Povidone Iodine 5% Ophthalmic Solution) is defined by its use as a pre-procedural antiseptic. Usage is highly standardized and limited to a single application in a clinical setting.


Administration Scope

Property Instruction
Route of administration Ophthalmic (Topical application to the eye surface and surrounding skin).
Dosing schedule Single, procedural application. The dose is defined by the necessary procedural steps for disinfection, not a specific volume.
Frequency pattern Once-only use, restricted to the time immediately prior to a surgical procedure or injection.
Age-group rules The standard procedural dose is applicable for use across adults, infants, children, and adolescents.

Procedural Structure

This medicine is not intended for routine, daily use but is part of a time-limited disinfection protocol. The standardized protocol involves the following sequence:

  1. The 5% w/v ophthalmic solution is applied directly to the ocular surface and the periocular skin.
  2. The solution must maintain contact with the eye surface for a specified duration of two minutes.
  3. The procedure concludes with the mandatory step of thoroughly flushing the eye surface using a sterile saline solution (0.9% w/v) to ensure complete removal of the antiseptic.

These instructions define the standardized, single-use approach to administration. Use is restricted to a clinical or surgical setting and is not indicated for self-administration or intraocular injection.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dulcilarmes


Evidence for Symptomatic Dry Eye Management

The research base exploring the medicine's role in addressing symptoms like burning, stinging, and discomfort associated with dry eye disease was studied for several types of clinical trials and patient observations. Studies explored how the solution is applied in research contexts involving the ocular surface in conditions characterized by fluctuating or episodic manifestations of dryness and irritation. Researchers used designs such as short-term randomized controlled trials (often focusing on related conditions like blepharitis) and prospective studies. The main outcomes related to physical discomfort and ocular health were tracked, specifically monitoring changes in patient-reported symptoms and objective measurements of tear film integrity.

The research describes patterns observed in the studies in ocular surface parameters, such as reported measurements of changes in ocular surface integrity and changes in corneal staining scores following administration. Findings also describe patterns observed in the studies related to how symptoms evolved in the observed populations over short treatment intervals.


Research on Ocular Surface Antisepsis and Infection

An extensive body of evidence was explored for the active ingredient's role. This evidence base involves numerous randomized controlled trials (RCTs), alongside comprehensive systematic reviews and established regulatory guidelines. Research examined the solution’s role in two primary scenarios: prophylactic disinfection before eye procedures and therapeutic use for acute infections. The outcomes describing episodic or acute changes were monitored.

These studies focused on patterns related to microbial presence. Research examined patterns related to microbial presence on the conjunctival surface. Clinical reports describe that when the medicine was observed in a pre-procedure preparation setting before surgery or injections, it was associated with patterns of reduced bacterial and viral contamination rates. Studies monitored patterns related to the clinical resolution of visible signs associated with acute infections.


Comparing Research Designs and Evidence Strength

The research landscape consists of two distinct domains involving different study designs. For its antisepsis role, the research involves highly regarded study designs, relying on the findings related to many large RCTs. These findings contributed to the development of major clinical guidelines. For its symptomatic dry eye use, the research involves smaller-scale study designs, built primarily upon prospective controlled studies that explored short-term changes in symptoms and the ocular surface.


What is Still Uncertain About Dulcilarmes Research

Research gaps include the variability of use regimens. Research is ongoing to determine the exact optimal concentration, volume, and contact time required for observed effects in every distinct clinical scenario, especially outside of surgical prophylaxis. Sample sizes were modest in many of the dry eye-focused studies, and the evidence quality varies across studies concerning the measurement of symptomatic relief. Additionally, data remain limited about the long-term impact on the delicate ocular surface if the solution is used frequently or continuously over many months.

Key Studies & References

  1. Povidone-Iodine for the Treatment of Adenoviral Keratoconjunctivitis: A Randomized Clinical Trial

Frequently Asked Questions (FAQ)

Common questions about Dulcilarmes (FAQ)


Q: What should I do if I miss a dose of Dulcilarmes?

According to the official product information, Dulcilarmes is intended for a single, one-time application used for disinfection prior to a clinical procedure. Since it is not used as part of a routine treatment plan, regulatory documents do not provide information regarding a 'missed dose.' Its official regulatory use is defined as a restricted, one-time application administered prior to a clinical or surgical procedure.


Q: Can I use my regular eye drops at the same time as Dulcilarmes?

Official regulatory documents emphasize specific restrictions regarding the use of other products with Dulcilarmes. The solution must not be mixed with any other medicinal products during administration. Furthermore, avoiding the simultaneous or subsequent use with other antiseptic agents or detergents is advised to prevent pharmacodynamic interference. Official prescribing information indicates that co-administration is prohibited with eye drops that contain mercury-based preservatives.


Q: What is the exact percentage strength of the active ingredient in Dulcilarmes?

The active ingredient in Dulcilarmes is Povidone Iodine. Regulatory documents state that the ophthalmic solution is formulated at a concentration of 5% weight/volume ( w/v).


Q: Is Dulcilarmes available over-the-counter (OTC) or does it require a prescription?

The 5% Povidone Iodine Ophthalmic Solution, when intended for pre-procedural use, is generally classified as a Human Prescription Drug in most regulatory labeling. Regulatory labeling typically restricts this concentration for use by licensed healthcare professionals.


Q: What is the color of the Dulcilarmes solution?

Based on regulatory descriptions of its physical appearance, the Dulcilarmes solution is typically described as a clear, red-brown or dark brown liquid. This is the characteristic appearance of the Povidone Iodine complex in solution.

How should Dulcilarmes be stored and disposed of?

The official labeling for Dulcilarmes dictates specific conditions required to maintain the medicine's stability and integrity.

Storage Requirements

  • Temperature: Store at room temperature, typically maintained between 15 C and 25 C (59 F and 77 F). The product must not be frozen.
  • Protection: The medicine should be stored in its original outer carton to protect from light.
  • Container: The container must be kept tightly closed after each use to prevent contamination and is subject to a post-opening use period (e.g., 28 days), after which the product must be discarded.
  • Child Safety: Dulcilarmes must be kept out of the sight and reach of children.

Disposal Instructions

Any unused or expired product must be disposed of in accordance with local pharmaceutical waste regulations. Do not dispose of the eye drops in household wastewater or solid household waste unless explicitly instructed by a regulatory drug take-back program.

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

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