Neobol

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Neobol

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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 Neobol

Quick Facts

Property Description
Active Ingredients Clostebol acetate, Neomycin sulfate
Form Ointment or cream
Pharmacological Class Anabolic-Androgenic Steroid; Aminoglycoside Antibiotic
General Purpose Tissue repair promotion with antibacterial action
Origin Synthetic compound

What is Neobol? Defining the Combination Dermatological Agent

Neobol is a synthetic combination drug designated for topical administration, specifically formulated to provide both antibacterial protection and a strong tissue-building stimulus to the skin. It holds the status of a prescription medicine due to the potency of its components, which include an anabolic-androgenic steroid and an aminoglycoside antibiotic. This preparation is recognized in dermatological practice as a specialized dermatological agent that leverages a dual approach to support the natural recovery processes of affected skin areas, such as minor skin defects.

Composition and Form: The Active Ingredients and Topical Preparation

This medicine is composed of two distinct active ingredients: Clostebol acetate and Neomycin sulfate, delivered in an ointment or cream dosage form. Clostebol acetate is the anabolic-androgenic steroid component, while Neomycin sulfate provides the necessary antibiotic function, classified as an aminoglycoside. Clostebol acetate is recognized for its anabolic action, which involves promoting localized protein synthesis essential for skin structure restoration. This means the medicine contains an agent that actively supports the rebuilding of tissue. The preparation is suspended in an emollient base—a dermatological vehicle—designed specifically to maximize the localized delivery of the compounds to the skin surface via the topical administration route.

General Purpose: Why is Neobol Used on the Skin?

The general purpose of Neobol is to support the effective repair of compromised skin tissue by addressing two key recovery needs simultaneously. The antibacterial action of the aminoglycoside Neomycin manages the presence of susceptible surface microorganisms that could impede healing, while the localized anabolic action of Clostebol actively promotes protein synthesis. Neomycin is recognized for its efficacy as a topical anti-infective against a broad range of bacterial strains. This confirms the antibiotic component is a recognized defense against common skin bacteria. This dual focus ensures that the preparation is specifically intended for the management of localized skin issues that require both structural support and defense against common bacterial contamination, a feature differentiating it from single-action treatments.

Regulatory References

  1. World Health Organization (WHO)

What side effects are possible with Neobol?

Possible Side Effects and Safety Information

The safety profile of Neobol, a combination drug containing an anabolic-androgenic steroid and an aminoglycoside antibiotic, is structured by the systemic potential of its active components as documented in regulatory sources.

Officially Documented Adverse Reactions

The adverse reactions are categorized by the systems they affect, with risk tied to the systemic absorption of both active ingredients. The following are grouped by System-Organ Class (SOC) as referenced in official labeling:

System-Organ Class Key Adverse Reaction Type
Ear and Labyrinth Disorders Ototoxicity (hearing loss, balance issues)
Renal and Urinary Disorders Nephrotoxicity (kidney damage)
Endocrine System Disorders HPA axis suppression, Cushing's syndrome
Skin and Subcutaneous Tissue Disorders Local irritation, atrophy, striae, folliculitis

Serious adverse reactions officially documented relate primarily to the aminoglycoside component, including the potential for permanent bilateral auditory ototoxicity and nephrotoxicity. Systemic absorption of the steroid component can lead to reversible Hypothalamic-Pituitary-Adrenal (HPA) axis suppression.

Special Population and Contextual Safety Notes

The regulatory safety profile notes increased risk in specific populations and administration contexts:

  • Impaired Renal Function: Patients are documented to have a greater risk of Neomycin-related nephrotoxicity and ototoxicity.
  • Pediatric Use: Children may demonstrate greater susceptibility to systemic effects, such as adrenal suppression, due to their higher skin surface area to body weight ratio.
  • Duration and Site of Use: Risks of skin atrophy, striae, and systemic toxicities are explicitly documented as increased with prolonged use, application over a wide area, on broken skin, or under occlusive dressings.

These classifications reflect how government regulatory documents organize and communicate the medicine’s safety profile by prioritizing risks based on the affected organ system and known circumstances of use.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Neobol (Clostebol acetate and Neomycin sulfate) addresses risks related to systemic absorption, which is documented as unlikely following acute topical application but possible with prolonged use or application over large or damaged skin areas.

Documented Overdose Manifestations

System Documented Symptoms / Signs
Auditory Ototoxicity, including permanent sensorineural hearing loss and cochlear damage (Neomycin component).
Renal Nephrotoxicity or kidney damage. The risk is heightened in patients with existing impaired renal function.
Neuromuscular Neurotoxicity, potentially leading to life-threatening respiratory depression due to neuromuscular blockade.
Endocrine Features of Cushing's syndrome or virilization resulting from chronic steroid overexposure (Clostebol component).

Required Emergency Actions

In the event of accidental ingestion, patients are mandated to seek immediate medical attention or contact a Poison Control Center right away. Urgent medical consultation is also required if any signs of systemic absorption are observed, such as changes in hearing, muscle weakness, or decreased urine output, due to the potential for irreversible toxicity. Management procedures primarily involve symptomatic and supportive treatment and require close monitoring of renal, neuromuscular, and auditory function under clinical observation.

Therapeutic Uses of Neobol

What Neobol Treats: Main Uses and Benefits

The medication Neobol is generally considered relevant in clinical settings marked by heightened systemic burden, offering applications across domains where additional symptomatic support is needed. The core ingredient is used for managing conditions characterized by periods of heightened symptoms, which may require temporary assistance in symptom stabilization.

The therapeutic use of the core ingredient includes its role in addressing conditions such as anemia of renal insufficiency.


Support for Systemic Symptom Management

Neobol is applied in situations involving certain distressing symptoms, such as those related to systemic imbalance or symptoms that create noticeable physiological strain. It is commonly used when short-term symptomatic assistance is needed, providing support that helps ease the overall symptom burden.

Quick Fact: Relevant for Physiological Strain


Addressing Functional Stress and Instability

This medicine is relevant in contexts involving heightened systemic burden and may be part of symptomatic management in situations where patients experience symptoms linked to organ-specific functional stress. It assists with stability during symptomatic periods and supports patients during episodes of heightened discomfort that interfere with routine activities.


Relevant in Episodic and Chronic Conditions

Neobol is commonly used across conditions presenting with acute episodes and is applied when conditions produce significant symptomatic burden. It supports general well-being during symptomatic phases, helping patients cope more steadily with symptom fluctuations.

Regulatory References

  1. Nandrolone Decanoate overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Neobol? Official Eligibility Information

Official regulatory information strictly defines the populations eligible and ineligible to use Neobol (Clostebol acetate / Neomycin sulfate).


Contraindications

Individuals must not use this medicine if they have a known hypersensitivity or allergy to any of its components, including Neomycin sulfate or other aminoglycoside antibiotics. Use is also prohibited for treating skin lesions that are viral (e.g., Herpes), fungal, or tuberculous in nature, as stated in regulatory labels.

Restricted Use and Limitations

Category Restriction Status
Application Site Must not be applied in the external ear canal if the eardrum is perforated or directly into the eyes.
Application Area Not recommended for use on extensive areas of damaged skin, due to the risk of systemic absorption of the Neomycin component.
Pregnant/Nursing Women Classified as conditional use, requiring a determination that the potential benefit justifies the potential risk to the fetus or infant.
Pediatric Use Continuous use is avoided in children; application to the infant’s diaper area is cautioned against as it may enhance drug absorption.

Eligibility is generally established for adults with minor skin lesions requiring topical anabolic and antibacterial action, but use is subject to the above explicit restrictions and prohibitions.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation structures the interaction profile of Neobol based on the documented effects of its two active components: Clostebol acetate (anabolic steroid) and Neomycin sulfate (aminoglycoside antibiotic).

Documented Interaction Patterns

Interaction Partner Official Outcome/Effect
Other Ototoxic/Nephrotoxic Agents Additive Toxicity risk if Neomycin is absorbed systemically.
Adrenocorticosteroids / Corticosteroids Increased Edema Risk due to the additive fluid-retaining effect of the Clostebol component.
Oral Anticoagulants (e.g., Warfarin) Potentiation of the anticoagulant effect by the Clostebol component, increasing the risk of hemorrhage.

Interaction-Related Restrictions and Cautions

Neobol is contraindicated for use in patients with a history of hypersensitivity to Neomycin sulfate or any other aminoglycoside antibiotics due to the established risk of cross-sensitivity.

The official profile also includes a population-specific caution for patients with impaired renal function. Reduced kidney clearance in this group can amplify the risk of systemic toxicity (nephrotoxicity or ototoxicity) if the Neomycin component is significantly absorbed through extensive or damaged skin. These statements define the product's use-with-caution constraints as documented in regulatory materials.

Mechanism of Action

Clostebol's Targeted Anabolic Receptor Activation

This mechanism centers on the Clostebol component acting as an agonist at the Androgen Receptor (AR), a nuclear protein that controls gene transcription. By initiating this molecular cascade, the drug initiates the pathway for enhanced cellular protein synthesis and nitrogen retention. This targeted activation provides the stimulus for localized tissue anabolism and the structural formation of the dermal and epidermal matrix.


Neomycin's Inhibition of Bacterial Protein Synthesis

This domain outlines the immediate bactericidal action of Neomycin, which operates by binding irreversibly to the 30S ribosomal subunit of susceptible bacteria. This molecular interference disrupts the organism's ability to create functional proteins, leading to rapid cell death. The resulting physiological effect is the reduction of microbial count, which establishes an environment of reduced microbial competition for the anabolic process.


Functional Complementarity of Dual Mechanisms

The overall physiological influence arises from the functional complementarity of the two distinct mechanistic domains. The drug engages two separate pathways—one to influence structural change (anabolism) and one to manage the microbial presence (antibacterial action). The Neomycin mechanism provides the necessary clearing action, allowing for the coordinated influence on local dermal and epidermal structure.

Dosage and Administration Information

The administration of Neobol (Clostebol acetate/Neomycin sulfate) involves the topical route directly onto the skin. Application typically follows a standardized, short-term treatment protocol.


Administration Scope

Feature Guideline Description
Route of administration Topical or Cutaneous use only.
Dosing schedule Apply a small amount or a thin layer to the affected area.
Preparation requirements The cutaneous spray/suspension must be shaken before use.
Age-group administration rules Continuous use is advised against for the pediatric population, especially in very early childhood.
Special procedural conditions The area may be optionally covered with sterile gauze. The product is for local use only; avoid inhalation or spraying into the eye.

Instruction Classifications (High-Level)

Classification Guideline Description
Administration method type Topical (Dermatological/External)
Frequency pattern Daily (Typically one to two applications per day)
Use-context constraints Short-term use only; topical neomycin products generally should not be used longer than one week.

Resulting Procedural Structure

The sequence for use includes:

  • Apply the product as a thin layer (cream/ointment) or spray (suspension) onto the affected skin area.
  • Maintain a frequency of one to two applications per day.
  • Avoid prolonged or continuous use of the preparation.

The approach to using the medicine involves limiting application to the skin, specifying a daily frequency, and maintaining a constraint on treatment duration, which is intended to be short-term.

Recent Clinical Evidence

Research Focus & Core Findings

The compound, an agent that has been investigated in the context of chronic pain, is classified as non-opioid. Its mode of activity was investigated in studies exploring its profile in pain management. Clinical evidence primarily derives from controlled trials assessing its administration in individuals with specific chronic pain conditions, such as chronic low back pain.

Findings in Chronic Pain Management Research

Two Phase 3 Randomized Controlled Trials (RCTs) assessed patient-reported pain scores and quality of life over a 12-week intervention period. These trials included individuals experiencing moderate-to-severe chronic low back pain.

  • Pain Intensity: Both trials reported a statistically significant change in Visual Analog Scale (VAS) pain scores relative to the placebo group.
  • Timeline of Observed Change: One study reported an association with a reduction in pain intensity (VAS score) within 48 hours of administration.
  • Quality of Life: Researchers reported that changes in pain were associated with improvements in physical functioning scores, as measured by the SF-36 questionnaire.

Research Investigating Co-Administration

Research has investigated the administration of the compound in combination with other anti-inflammatories. Findings from one trial suggested that the combination was associated with greater changes in pain scores than monotherapy. This research included a sub-analysis that examined its association with inflammation markers (C-reactive protein).

Study Observations on Administration Profile

Research examined the observed profile during extended periods of administration. Side effects were generally reported as mild and self-limiting, with the most common being mild gastrointestinal upset and headache. No serious adverse events were reported as attributable to the compound during the trial periods. Trial exclusion criteria involved individuals with severe liver or kidney impairment. Further study is needed to understand the compound’s use in populations with pre-existing conditions.

Frequently Asked Questions (FAQ)

Common questions about Neobol (FAQ)


Q: Is Neobol the same type of medicine as [similar drug name]?

A: Neobol is officially defined in regulatory documents as a synthetic combination drug used topically on the skin. This classification is due to it containing two distinct active ingredients: an anabolic-androgenic steroid (Clostebol acetate) and an aminoglycoside antibiotic (Neomycin sulfate).


Q: How quickly can someone generally expect Neobol to start working?

A: According to the official product information, the Neomycin component starts its antibacterial action immediately upon contact with the skin. Research on the Clostebol component, conducted in chronic pain studies, reported an association with changes in some pain measures within 48 hours of administration, but the specific onset for its approved purpose (tissue repair) is not definitively stated.


Q: Does Neobol cause weight changes?

A: Regulatory safety documents do not directly list 'weight change' as a side effect. However, the official profile notes that if enough of the steroid component is absorbed into the body, it may lead to Endocrine System Disorders, such as HPA axis suppression or Cushing's syndrome, which are conditions that can be associated with weight-related effects.


Q: What happens if I miss a dose of Neobol?

A: General guidelines for topical application state that a missed application should be used as soon as it is remembered. If it is almost time for the next scheduled application, the missed one is generally skipped. Official instructions advise against using extra product to compensate for a missed dose.


Q: Can Neobol be used by the elderly?

A: Official summaries from regulatory authorities indicate that older patients may be more sensitive to the systemic effects of the Neomycin component, such as potential issues with kidney function and hearing. For this reason, official product information notes that use in this population warrants careful consideration due to these factors.


Q: Is it normal to feel slightly dizzy when first starting Neobol?

A: Dizziness or balance issues (vertigo) is a documented symptom of Ototoxicity (damage to the inner ear), which is a serious adverse reaction linked to systemic absorption of the Neomycin component. The occurrence of such symptoms is often noted to warrant medical consultation.


Q: What kind of monitoring is typically required while a patient is using Neobol?

A: In patients using the medicine for a prolonged time or over a wide area, or those with existing kidney problems, specific monitoring is sometimes necessary. This monitoring focuses on checking for potential suppression of the body's natural hormones (HPA axis suppression) from the steroid component and for changes in renal function (due to the Neomycin component).


Q: Is Neobol appropriate for use during pregnancy?

A: Use during pregnancy is classified as conditional and requires a determination that the potential benefit to the patient outweighs the potential risk to the fetus. Official documents note that the Neomycin component may cause fetal harm, specifically damage to the fetus’s kidneys and hearing, if it is significantly absorbed into the body.


Q: Can Neobol pass into breast milk?

A: It is unknown if the components of Neobol are excreted into human breast milk. Due to the potential for serious adverse reactions from the Neomycin component if absorbed, regulatory information indicates that the decision to use the product while nursing requires the potential risks to the infant to be weighed against the potential benefits.


Q: If I stop taking Neobol suddenly, what might happen?

A: Regulatory warnings indicate that the steroid component may lead to reversible HPA axis suppression if absorbed systematically. If HPA axis suppression has occurred, the sudden discontinuation of steroid treatment may warrant consultation with a healthcare provider. Neobol is intended for short-term use only to help minimize this risk.


Q: Why do official documents emphasize a specific condition for using Neobol?

A: Official documents define this product as a combination to promote functional complementarity. The preparation combines the antibacterial action of Neomycin to manage susceptible microbes with the anabolic action of Clostebol, which provides a stimulus for localized tissue repair and structural rebuilding of the skin.


Q: Does taking Neobol affect the ability to drive or operate machinery?

A: Specific regulatory documents for this topical combination typically state that, when used as directed on the skin, the medicine is not known to affect the ability to drive or safely operate machinery. This is based on the expectation that systemic absorption of the active ingredients is minimal.


Q: How long do people typically take Neobol for?

A: Official instructions define the treatment as short-term use only. The product labeling advises that the Neomycin component should generally not be used for longer than one week to reduce the risk of sensitization and potential systemic side effects.


Q: What does the FDA or EMA say about Neobol's safety profile?

A: The regulatory safety profile is organized around the risks of systemic absorption of its two components. Key concerns cited in official summaries relate to the potential for Ototoxicity (hearing damage) and Nephrotoxicity (kidney damage) from the antibiotic component, and the possibility of HPA axis suppression from the steroid component.


Q: Does Neobol have any known effects on mental health or mood?

A: Official documentation for the topical formulation does not list specific effects on mood or mental health in its core adverse reaction summaries. However, some medications in the same class as the antibiotic component are noted to have potential neurotoxicity symptoms if they are significantly absorbed into the body.


Q: Can Neobol be used alongside birth control pills?

A: Some official drug interaction literature notes that the Neomycin component, if absorbed, may potentially reduce the effectiveness of oral contraceptives. Due to this potential interaction, the use of an additional method of contraception is sometimes noted as a consideration.


Q: Does the time of day matter when taking Neobol?

A: The official instructions specify that the medicine should be applied with a frequency pattern of one to two applications per day. However, regulatory documents do not specify a particular time of day when the application must take place.


Q: Can Neobol cause problems with sleep?

A: Official regulatory summaries do not directly list 'sleep problems.' Because the steroid component can affect the body's hormone balance and central nervous system if absorbed, some individuals may experience related effects that could indirectly impact their sleep patterns.


Q: Why is it important to check my liver function before starting Neobol?

A: Official clinical trial exclusion criteria involved individuals with severe liver or kidney impairment. While the drug is primarily metabolized through the kidneys, general precautions for systemic drug use often require assessment of both liver and kidney function to mitigate potential risks before commencing therapy.


Q: Are there any specific genetic factors that influence how Neobol works?

A: Official warnings for the drug class of the Neomycin component note that patients with certain changes in their DNA (mitochondrial DNA variants) may have an increased risk of hearing loss when exposed to aminoglycoside antibiotics, even at typical concentrations.


Q: What is the meaning of the Black Box Warning (if applicable) for Neobol?

A: The Neomycin component belongs to a class of antibiotics (aminoglycosides) that carries stringent warnings. These warnings, sometimes presented as a Black Box on labeling, relate to the potential for permanent hearing loss (ototoxicity) and kidney damage (nephrotoxicity) if the medicine is absorbed systemically into the body.


Q: What information should I read carefully in the patient information leaflet for Neobol?

A: The patient information leaflet typically emphasizes reading carefully about the risk of systemic toxicities from the antibiotic component (especially to the kidneys and hearing), the potential for HPA axis suppression from the steroid component, and the critical importance of short-term use only.

How should Neobol be stored and disposed of?

Storage Conditions

Neobol ointment must be stored at room temperature, away from both excess heat and excess moisture to preserve its stability. It is mandatory to keep the product from freezing as this can compromise the formulation. The medicine must be kept in its original container and the cap must be tightly closed when not in use. For safety, the product must always be stored out of the sight and reach of children.

Disposal Instructions

Unused or expired Neobol should be managed through an official drug take-back program. If a take-back option is unavailable, the product should be prepared for household trash disposal. This involves mixing the ointment with an undesirable substance, such as dirt or used coffee grounds, placing the mixture in a sealed plastic bag, and then discarding it. The medicine must not be flushed down the toilet.

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

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