Xilocler

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Xilocler

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.

Overview of Xilocler

Quick Facts

Property Description
Active Ingredients Lidocaine Hydrochloride, Hydrocortisone
Form Cream, Rectal Kit, Wipes
Pharmacological Class Topical Local Anesthetic, Corticosteroid
Route of Administration Topical, Rectal
Origin Synthetic Combination Product

What Type of Medicine is Xilocler? (Identity and Classification)

Xilocler is a prescription-only, dual-action combination product classified pharmaceutically as a topical local anesthetic and a corticosteroid. It is not a single chemical entity, but a preparation containing two distinct, synthetic active ingredients formulated for topical or rectal application. This classification is based on the components' established roles in pharmacology. The combination formulation is clinically recognized for its synergistic approach to symptom management. The medication is typically supplied in localized dosage forms, such as a cream or within a specialized rectal kit, specifically designed for use in sensitive areas.

The product's identity as a combination medicine means it addresses symptoms through two separate pharmacological pathways, distinguishing it from single-agent formulations like a pure anesthetic or a standalone anti-inflammatory cream. The primary goal of this formulation is to deliver both immediate symptomatic comfort and targeted reduction of the underlying inflammatory process through a single, controlled application, a benefit frequently sought in conditions causing anal discomfort or minor skin irritations.


What is Xilocler's Active Composition? (Ingredients and Purpose)

Xilocler's active composition consists of Lidocaine Hydrochloride and a form of Hydrocortisone, a potent glucocorticoid. Lidocaine Hydrochloride functions as the anesthetic component, rapidly providing a local numbing effect that blocks the immediate sensation of pain and itching. Concurrently, the Hydrocortisone component provides an anti-inflammatory effect, working to diminish localized swelling and redness. This type of drug is recognized for its role in reducing inflammation.

This deliberate dual-action formulation addresses both the acute sensory discomfort and the underlying physical reaction of the tissue. The topical route of administration ensures that these active substances are concentrated where relief is needed most, enabling the formulation to provide comprehensive relief from common symptoms associated with minor local irritations, such as discomfort, swelling, and itching, a common scenario in the temporary management of hemorrhoid flare-ups.

Regulatory References

  1. NIH
  2. WHO: Hydrocortisone

What side effects are possible with Xilocler?

Possible Side Effects and Safety Information

The official safety profile of Xilocler encompasses various adverse reactions, classified by frequency and involvement of specific body systems, as documented by regulatory authorities.

Adverse Reaction Scope

Adverse reactions associated with the components of Xilocler are categorized into several System-Organ Classes. These include Hepatobiliary disorders (affecting the liver), Immune system disorders (including hypersensitivity reactions), and Neoplasms, benign, malignant, and unspecified (such as the risk of meningioma).

Key adverse reactions, including serious events, are officially documented:

  • Serious Risk: Meningioma A rare, non-cancerous brain tumor (meningioma) has been linked to one of the components (cyproterone-containing products). This risk is explicitly documented as increasing with the cumulative dose and duration of exposure to high doses. The medicine is contraindicated in patients with a current or prior history of meningioma.

  • Hepatotoxicity Serious liver injury and elevated liver enzymes are documented risks, especially for the acetaminophen-containing component, with risk related to the total daily dose.

  • Hypersensitivity Reactions Postmarketing reports indicate the potential for serious hypersensitivity events such as anaphylactic reaction, angioedema, and urticaria.

Safety Classifications and Restrictions

Official regulatory labels use standard frequency classifications such as rare (for meningioma) and not known (for certain postmarketing events) to communicate risk. The safety structure requires continuous surveillance for potential signals of serious risks or new safety information (e.g., through the FDA Adverse Event Reporting System).

Population-Specific Considerations: The official safety documentation includes risk evaluation regarding the elderly population and specific risk assessments in women for products containing cyproterone acetate. The risk of meningioma, as a dose- and duration-dependent pattern, structurally governs restrictions on the use of the drug's components.

Overdose and Emergency Response

Overdose and when to seek help

The official overdose profile for Xilocler is based on the risks associated with excessive systemic absorption of its two active components, as documented in regulatory labeling. Systemic toxicity is primarily linked to excessive use, application over large surface areas, or use on broken skin.

Overdose Scope

Documented Overdose Presentations
Acute Lidocaine Toxicity may involve Central Nervous System (CNS) effects, including tremors, confusion, seizures, or eventual CNS depression and unconsciousness.
Cardiovascular effects may include bradycardia, hypotension, and progression to cardiac arrest.
A specific acute risk, Methemoglobinemia, is characterized by cyanotic skin discoloration (pale, gray, or blue) and shortness of breath.
Chronic Hydrocortisone Toxicity may result in manifestations of Cushing's syndrome or reversible HPA axis suppression with prolonged, excessive exposure.

Required Emergency Actions

When Immediate Medical Help is Required (Label-Derived Phrasing Only)
Seek immediate medical attention when signs of Methemoglobinemia (e.g., blue skin) are noted.
Call a poison control center or get medical care right away if overdose is suspected or the product is accidentally swallowed.
Contact emergency services if very serious symptoms occur, such as passing out or trouble breathing.

Summary of Regulatory Profile

Lidocaine toxicity is classified as potentially life-threatening and requires immediate supportive management, including oxygenation. Specific treatments, such as Methylene Blue for Methemoglobinemia, are documented for acute complications. The chronic risk of HPA axis suppression requires medical evaluation and regulated withdrawal of the drug.

Therapeutic Uses of Xilocler

What Xilocler Treats: Main Uses and Benefits

The primary therapeutic role of Xilocler is to provide supportive symptomatic relief for conditions presenting with localized discomfort, addressing symptoms related to inflammatory or irritative states that create noticeable physiological strain. This combination formulation is utilized for the anti-inflammatory and anesthetic relief of localized discomfort.

This product is commonly used across domains where additional symptomatic support is needed, specifically for acute flare-ups of conditions like external hemorrhoids, pruritus ani, and anal fissures. It is applied in situations where symptoms such as localized pain, soreness, burning, and intense itching interfere with daily functioning. The medication is relevant for easing symptomatic relief that may help patients cope more steadily with these difficult, episodic manifestations.

Quick Fact: Relief for Localized Discomfort

Symptom Cluster Addressed Key Patient Benefit
Pain, Itching, Burning Supports steady management of acute sensory distress
Swelling, Redness Helps ease the overall symptom burden associated with inflammation

Regulatory References

  1. DailyMed (NIH/FDA) Monograph

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Xilocler — Official Regulatory Information

The eligibility status for Xilocler (Lidocaine/Hydrocortisone) is determined by official governmental regulatory documents, strictly defining the population groups permitted, restricted, or prohibited from using the medicine.


Eligibility Scope

Classification Rule Summary (Regulatory Wording)
Populations for whom use is allowed Adult population (18 years and older) for whom the product’s safety and effectiveness are established for topical/rectal application.
Populations for whom use is not recommended Children under 12 years of age; safety and effectiveness have not been established for the general pediatric population.
Populations for whom use is contraindicated Patients with known hypersensitivity to lidocaine, hydrocortisone, or any ingredient, and those with active local infections (e.g., tuberculous, fungal, viral like herpes simplex) at the application site.

Age and Condition-Specific Eligibility

  • Age-related eligibility rules: The medicine is generally established for adult use. Use is not recommended or contraindicated in children under 12 years due to the increased risk of systemic absorption.
  • Condition-specific eligibility rules: Caution is required in patients with severe hepatic impairment (liver disease) due to the metabolism of the lidocaine component, which may lead to systemic accumulation. Caution is also required when applying to broken skin or large sores due to increased absorption risk.
  • Pregnancy and lactation eligibility status: Use during pregnancy is not recommended unless the potential benefit justifies the potential risk. Caution is advised when administering to a nursing mother.

Connection to the overall eligibility profile: Regulatory documents define who can and cannot use this medicine by establishing absolute contraindications based on allergy and active infection status, and by setting conditional-use restrictions for specific age groups and patients with compromised liver or skin function.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines the officially documented interaction patterns for Xilocler, focusing on the potential for systemic exposure of the anesthetic component, Lidocaine, as stated in government regulatory documents.


Pharmacokinetic and Exposure Interactions

Co-administration with CYP1A2 and CYP3A4 inhibitors has the potential to increase lidocaine plasma levels by decreasing its clearance. Conversely, CYP inducers may decrease these levels. Specific inhibitors documented to increase exposure include Cimetidine and Fluvoxamine. Additionally, medications that decrease hepatic blood flow, such as Beta-adrenergic blockers (e.g., Propranolol), may also increase lidocaine plasma concentrations by reducing clearance.

Pharmacodynamic Interactions

Co-treatment with Class I antiarrhythmic drugs or other local anesthetics may result in additive or synergistic adverse cardiac or toxic effects, a key pharmacodynamic interaction noted in regulatory labeling. The combination with certain oxidizing agents increases the documented risk of developing methemoglobinemia.

Interaction Constraints

Interaction Type Regulatory Status
Formal Contraindication No specific drug combinations are formally labeled as contraindicated due to interaction risk.
Food/Drink Interaction No known interactions with food or drinks are documented.

Population-Specific Notes: Patients with hepatic impairment are noted to be at increased risk of systemic accumulation due to altered kinetics, which can heighten the risk of interaction-related severity.

Mechanism of Action

How Xilocler Works

Xilocler's action is governed by two pharmacologically distinct components, each targeting separate physiological processes to induce local modulation.

Modulation of Neuronal Signaling

The local anesthetic component, such as Lidocaine, primarily acts by reversibly binding to the inner portion of voltage-gated sodium channels on the neuronal membrane. This interaction inhibits the opening of the channel pore, which in turn impedes the rapid influx of sodium ions necessary for cell depolarization and the subsequent generation of an action potential. The mechanistic consequence of this molecular blockade is the local cessation of nerve impulse transmission along the peripheral afferent fibers, leading to an absence of electrical signal conductance in the targeted area.


Regulation of Inflammatory Cascades

The glucocorticoid component, such as Hydrocortisone Acetate, diffuses across the cell membrane and binds to cognate intracellular glucocorticoid receptors. This complex then translocates to the nucleus, where it functions as a transcription factor to modulate the expression of numerous genes. Key pathway effects include the downregulation of genes encoding pro-inflammatory proteins, such as phospholipase A2, cyclooxygenase-2 (COX-2), and various cytokines. This alteration of gene transcription leads to the inhibition of immune cell functions and reduced synthesis of local inflammatory mediators, thereby decreasing the driving force of the biochemical processes associated with local inflammation.

Dosage and Administration Information

Xilocler is administered via topical (skin surface) or rectal routes, depending on the formulation. The medicine is supplied as a cream or lotion for external use and in specialized rectal kits that include an applicator.

Administration Protocol

The standard administration schedule requires application two to three times a day for topical forms, while the rectal cream/gel is typically applied twice daily. For all applications, only a thin film should be applied to the affected area.

Feature Procedural Principle
Route of Administration Topical or Rectal only.
Frequency Two or three times per day (Topical) or Twice daily (Rectal).
Dosing Rule Apply a thin film; do not exceed prescribed frequency.
Duration Principle Intended for short-term use only.

For rectal use, the product is applied using the dedicated applicator, which should be inserted gently and partially (e.g., 1/2 to 1 inch). Hands must be washed thoroughly both before and after application. Safety and effectiveness in pediatric populations have not been established, meaning use in children must be determined by a physician. To ensure proper use, the treated area should not be covered with a bandage unless specifically instructed by a healthcare professional, and all contact with eyes, nose, and mouth must be avoided.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Xilocler


Evidence for Symptomatic Grade I and II Hemorrhoids

Research examining Xilocler has primarily focused on its use for the evaluation of key symptoms in adults who experience discomfort from mild-to-moderate hemorrhoids (Grade I and II). These investigations research examined short-term, randomized, double-blind, controlled trials (RCTs), including comparisons against a placebo and sometimes other standard topical treatments. Researchers monitored patient-reported outcomes describing perceived discomfort, measuring changes in scores for pain, itching, burning, and overall discomfort. Findings describe patterns observed in the studies related to short-term changes in localized discomfort, typically covering the two-week treatment period.

What remains unclear is the long-term impact. Long-term outcomes are not fully established, and there is limited information for long-term outcomes beyond the initial treatment phase. Also, the primary research results apply only to the populations studied, meaning the data for patients with more severe hemorrhoidal conditions (Grade III and IV) remain insufficient.


Evidence for Localized Anorectal Inflammatory Conditions (e.g., Pruritus Ani)

Research examined the use of Xilocler’s active components in conditions characterized by fluctuating or episodic manifestations, such as pruritus ani (anal itching) and related inflammatory or irritative states. The research base includes smaller clinical trials and broader literature that describes the observed patterns of patient experience, monitoring outcomes capturing phases of heightened symptom activity. The certainty remains low for outcomes related to the combination product’s performance against placebo or other single treatments in these specific contexts due to the lack of large-scale, dedicated RCTs.


Overall Consistency and Research Gaps

The evidence landscape for Xilocler is characterized by short-term, controlled trials that research highlights changes measured during the study period. The overall evidence level for symptomatic evaluation in mild hemorrhoids is considered moderate, a classification based on the presence of RCTs and their specific limitations. Evidence quality varies across studies, and a key limitation is that sample sizes were modest in some pivotal trials. Certainty remains low regarding the product's long-term utility or its performance in diverse populations, reinforcing that research is ongoing.

Key Studies & References

  1. DailyMed Drug Monograph for Hydrocortisone Acetate/Lidocaine Hydrochloride
  2. WHO Model List of Essential Medicines (Hydrocortisone Entry)

Frequently Asked Questions (FAQ)

Common questions about Xilocler (FAQ)


Q: What is the main reason Xilocler is prescribed?

According to regulatory indications, Xilocler is prescribed to manage the pain, swelling, and itching that occur with certain localized inflammatory conditions. This includes the short-term symptomatic evaluation of mild-to-moderate hemorrhoids. Official documents describe the medicine's purpose as targeting these specific discomforts.

Q: Is Xilocler safe for people who have kidney issues?

Regulatory documents note that the active ingredients are primarily processed by the liver, not the kidneys. While kidney dysfunction may lead to accumulation of breakdown products (metabolites), official prescribing information does not generally recommend a specific change in application for patients with renal impairment. The need for any modification is based on individual health assessment.

Q: How quickly does Xilocler typically start to show its effects?

The official description of the medicine's mechanism indicates that the lidocaine component, a local anesthetic, provides a rapid numbing effect. This action starts immediately at the application site by blocking the nerve signals responsible for pain and itching. The anti-inflammatory component has a gradual effect.

Q: Can Xilocler cause drowsiness or affect my ability to drive?

Systemic side effects from this topical product are rare when used as directed. However, official information describes that excessive use can rarely lead to high blood levels of the anesthetic component. When this occurs, it may affect the central nervous system, potentially causing effects like dizziness or drowsiness.

Q: Is it true that Xilocler can change blood test results?

Although rare with correct use, the hydrocortisone component can be absorbed systemically, especially with prolonged or excessive application. This systemic absorption may cause rare changes, such as high blood sugar levels (hyperglycemia), which could affect standard blood or urine test results.

Q: What should I know about the black box warning (if any) mentioned for Xilocler?

The official FDA label for this specific combination product formulation does not typically include a Black Box Warning. However, prescribing information does include serious safety warnings related to improper use. These risks include the potential for systemic toxicity and the rare risk of a blood disorder called methemoglobinemia.

Q: What are the risks if I miss a dose of Xilocler?

Official patient guidance suggests that if a dose is missed, it should be applied as soon as the patient remembers. If it is nearly time for the next scheduled application, the missed dose should be skipped entirely. Official guidance notes that double the amount should not be used to make up for the missed application, but rather the regular schedule should be continued.

Q: Is there a generic version of Xilocler available?

Official government drug listings and regulatory documentation show that the active combination of Lidocaine Hydrochloride and Hydrocortisone Acetate is widely available. This means that generic or non-branded versions containing the same active ingredients may be available from various manufacturers.

Q: Is Xilocler habit-forming or does it have a risk of dependence?

This medication is not classified as a controlled substance and is not associated with substance dependence. However, the corticosteroid component (hydrocortisone) is intended for short-term use. Prolonged use of any topical steroid can rarely lead to skin reactions (known as topical steroid withdrawal) if use is stopped suddenly.

Q: Is it common for people to gain or lose weight when using Xilocler?

It is rare for this topical medicine to cause weight change when used correctly. Regulatory information indicates that extensive or prolonged use may increase the risk of systemic absorption of the hydrocortisone component. Systemic absorption can rarely lead to hormonal changes, such as those associated with Cushing's syndrome, which may involve weight gain.

Q: What happens if I stop taking Xilocler suddenly?

Sudden stopping of the medicine is generally not associated with adverse effects when it is used for a short duration. However, in rare instances of very long-term or high-dose use, the corticosteroid component can lead to a Topical Steroid Withdrawal (TSW) reaction upon cessation. This reaction is described as rebound symptoms, including redness, burning, and stinging, that return worse than before treatment.

Q: Can Xilocler affect my mood or cause emotional changes?

If the corticosteroid component is absorbed into the bloodstream, it can rarely cause temporary and reversible effects on hormone levels (HPA axis suppression). In these rare cases, official documents note that changes such as irritability or mild mood alterations have been observed.

Q: Is Xilocler used to treat conditions other than [main condition]?

Official regulatory documentation limits the approved use of Xilocler to specific conditions, such as the symptomatic management of mild hemorrhoids and certain localized inflammatory states. The product is not approved for any condition outside of these listed indications.

Q: Why do official documents mention genetic factors related to Xilocler?

Regulatory documents reference genetic factors because patients with certain inherited conditions are at higher risk of experiencing a rare but serious side effect called methemoglobinemia. These conditions include glucose-6-phosphate dehydrogenase (G6PD) deficiency. This information helps healthcare professionals assess individual risk.

Q: What is the approved duration of treatment for Xilocler?

Regulatory information states that this medicine is intended for short-term symptomatic use only. To minimize the risk of the active ingredients being absorbed into the body, treatment is typically limited to a period of two weeks.

Q: Why do official prescribing documents include a specific patient brochure or guide?

Regulatory authorities, such as the FDA, mandate that certain high-risk medicines include a Patient Information Leaflet (PIL) or Medication Guide. This requirement ensures that patients are fully informed about the proper use, specific serious risks, and contraindications associated with the product before they use it.

Q: What if Xilocler doesn't seem to be working for me after a few weeks?

The official instructions state that if symptoms do not improve within a few days, or if they worsen, lack of improvement is a sign to discontinue use. Because this product is intended for short-term relief, a continued lack of symptomatic change is described as a reason to seek further assessment.

Q: What is the difference between the different strengths of Xilocler tablets?

Regulatory documents confirm that Xilocler is manufactured as topical forms like a cream, lotion, or gel, and is not supplied as a tablet. The specific strength of the active ingredients, such as the percentage of Lidocaine and Hydrocortisone, determines the difference between the available formulations.

Q: How does Xilocler interact with alcohol, according to official sources?

Official drug information notes the importance of informing a healthcare professional about alcohol consumption. While no formal direct interaction is documented, alcohol use can affect overall liver function. Since the lidocaine component is processed by the liver, this general safety practice is referenced in the drug information.

Q: What kind of monitoring (like lab tests) is required when taking Xilocler?

Patients who use Xilocler excessively or for prolonged periods may be at risk of systemic absorption of the corticosteroid component. In these instances, official safety information indicates that monitoring for potential HPA axis suppression (a hormone-related change) may be required, which could involve laboratory tests.

Q: Can Xilocler be crushed or chewed?

This medicine is manufactured exclusively for topical and rectal application. Regulatory guidance strictly states that the product is not intended for ingestion, meaning it is not to be crushed, chewed, or swallowed. It is also important to avoid contact with the eyes, mouth, and nose.

Q: Is Xilocler a controlled substance?

Regulatory authorities, including those in the US, do not classify Xilocler (Lidocaine/Hydrocortisone) as a controlled substance. It is a prescription-only medicine due to its active ingredients and risks, but it is not listed in controlled substance schedules.

Q: Can Xilocler worsen other existing medical conditions?

Yes, official eligibility rules include specific contraindications based on existing conditions. The medicine is contraindicated if there is an active local infection (such as fungal, viral, or bacterial) at the application site, as the regulatory documents describe the potential for the product to worsen these infections.

Q: Why is my prescription for Xilocler a different color than my friend's?

The difference in the appearance, such as the color of the cream or the packaging of the kit, is typically due to the inactive ingredients used by different manufacturers. As long as the active ingredients (Lidocaine and Hydrocortisone) and the strength of the product are the same, the formulation is considered equivalent, regardless of minor differences in color or texture.

How should Xilocler be stored and disposed of?

How to Store and Dispose of Xilocler (Lidocaine/Hydrocortisone)

The storage and disposal of Xilocler must strictly follow the conditions mandated by official regulatory labeling to maintain stability and ensure safety.


Storage Requirements

  • Temperature: Store at Controlled Room Temperature, which is typically 20 C to 25 C (68 F to 77 F). Do not freeze the medicine.
  • Protection: The product must be stored away from heat, moisture, and direct light.
  • Container: Keep the medication in a closed container, and ensure the container is tightly closed.
  • Child Safety: Keep Xilocler out of the sight and reach of children and pets.

Disposal Instructions

Do not keep outdated medicine. Ask a healthcare professional or pharmacist for guidance on how to safely dispose of any unused medicine. The product should generally not be disposed of via household trash or wastewater.

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

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