Faction

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Faction

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 Faction

Property Description
Active ingredient Ketoconazole
Form Tablet, Cream, Shampoo, Foam, Gel, Suspension
Pharmacological class Azole Antifungal
Common use Inhibition of fungal and yeast proliferation
Origin Synthetic imidazole derivative

Faction is a synthetic prescription medicine whose active component is Ketoconazole, primarily categorized as a broad-spectrum Azole Antifungal agent. This compound is a synthetic imidazole derivative, with the chemical formula C26H28Cl2N4O4, confirming its distinct, chemically synthesized origin. The compound has long-standing clinical recognition for targeting infections caused by various fungal and yeast pathogens.


Composition and Available Preparations

Faction is a single active ingredient product utilizing Ketoconazole in a variety of dosage forms tailored for different needs. These preparations include an oral tablet intended for systemic delivery throughout the body, as well as several formulations for topical administration, such as cream, shampoo, foam, gel, and suspension. This dual-route availability is a distinguishing feature, allowing the agent to manage both internal and external mycotic issues.

Ketoconazole is effective against a wide range of clinically relevant fungi and yeasts when administered appropriately. The versatility of its formulation ensures appropriate drug delivery, whether through the oral tablet designed for internal absorption or topical preparations that concentrate the active ingredient at a localized infection site.


What is the General Purpose of Antifungal Agents?

The general therapeutic purpose of Faction is to inhibit the proliferation and spread of fungal and yeast infections by disrupting the integrity of the pathogen itself. This is achieved because Ketoconazole primarily functions by interfering with the synthesis of ergosterol, a component vital for the structural stability and function of the fungal cell membrane.

By blocking the necessary enzymatic pathway for ergosterol production, the drug effectively compromises the structural integrity of the fungal cell wall. This action provides the desired fungistatic or fungicidal effect essential for managing both superficial and pervasive systemic fungal diseases.

What side effects are possible with Faction?

Possible Side Effects and Safety Information

The official safety profile for the Faction oral tablet is structured around a range of officially documented adverse effects and serious systemic risks, which are classified by frequency and the body system affected (System Organ Class).

Serious Systemic Adverse Reactions

Regulatory documents emphasize the risk of serious hepatotoxicity (liver damage), including rare cases that have resulted in hepatic failure, liver transplantation, or death. Another critical safety concern involves the cardiovascular system, specifically the potential for QT prolongation that can lead to life-threatening ventricular dysrhythmias, such as Torsades de pointes, particularly when co-administered with certain other drugs. Adrenal insufficiency (decreased corticosteroid secretion) is also listed as a serious adverse reaction.

Frequency Classification of Reactions

Adverse reactions are formally categorized based on regulatory frequency standards:

Frequency Classification Examples of Reactions
Very Common Abnormal liver function tests
Common Nausea, abdominal pain, diarrhea, pruritus, rash, adrenal insufficiency
Uncommon Headache, dizziness, allergic conditions (e.g., anaphylaxis)
Rare Serious hepatotoxicity (e.g., hepatic necrosis)

Safety Considerations and Restrictions

The most serious systemic risks (liver, heart, adrenal) are associated with the oral tablet formulation and are generally not associated with topical forms (creams, shampoos) due to minimal absorption. The medicine is formally contraindicated in individuals with pre-existing acute or chronic liver disease. The risk of hepatotoxicity is often observed at treatment initiation and within the first six months of therapy. For specific populations, the label notes that safety has not been established in children under 2 years of age, and adverse effects such as gynecomastia and impotence are noted for males.

Overdose and Emergency Response

Overdose and When to Seek Help

This section describes officially documented overdose manifestations and mandated emergency actions for oral Ketoconazole (Faction), based strictly on government regulatory documents.


Documented Overdose Manifestations

Overdose is primarily associated with two major clinical outcomes documented in prescribing information:

Manifestation Type Officially Documented Symptoms/Outcomes
Hepatic Acute liver injury ( hepatotoxicity), jaundice, nausea, fatigue, anorexia (loss of appetite).
Endocrine Suppression of adrenal corticosteroid secretion leading to adrenal insufficiency, presenting with hypotension, vomiting, weakness, and electrolyte abnormalities.

Serious outcomes related to overdose include severe liver injury, which may potentially lead to the need for a liver transplantation or death.


Required Emergency Actions

Regulatory authorities mandate specific actions for a known or suspected overdose:

  • Seek Immediate Attention: Call poison control immediately. Emergency services (e.g., 911) must be called if the individual has collapsed, had a seizure, has trouble breathing, or cannot be awakened.
  • Supportive Measures: No specific antidote for Ketoconazole overdose is officially documented. Treatment is symptomatic and supportive. Gastric lavage with activated charcoal may be considered if ingestion occurred within one hour.

Therapeutic Uses of Faction

What Faction Treats: Main Uses and Benefits

Ketoconazole, the active component, is an antifungal agent and is considered relevant for conditions that range from serious internal fungal diseases to chronic skin and scalp manifestations, being generally used to help with various categories of infections. The therapeutic scope includes both deep-seated systemic fungal diseases and various superficial conditions of the skin.

Therapeutic Scope and Benefits

Faction is applied across domains where additional symptomatic support is needed to address severe, pervasive internal fungal diseases, such as Blastomycosis, Histoplasmosis, and Coccidioidomycosis (Valley Fever). It is also commonly used in conditions presenting with systemic or localized fungal infections, including ringworm (Tinea corporis), athlete's foot (Tinea pedis), cutaneous candidiasis, Seborrheic Dermatitis, and severe, persistent dandruff.

The medication helps address symptom clusters that may become intense or disruptive, such as persistent itching, redness, and visible skin scaling. It provides support that helps ease the overall symptom burden and may assist patients with coping more steadily with symptom fluctuations.

“It is commonly used for managing the symptoms associated with the infection, which interfere with daily comfort.”


Quick Fact: Relief for Chronic Flaking
Faction is relevant in conditions characterized by recurrent or episodic manifestations of the scalp, providing supportive relief when symptoms related to flaking and irritation become temporarily overwhelming.

Eligibility and Restrictions for Use

The oral tablet form of Faction is subject to stringent population eligibility rules established by regulatory bodies, including the FDA and EMA. Use is strictly restricted to adults and children ge 2 years of age with certain severe systemic fungal infections only when other effective therapies have failed or are not tolerated.

Populations for Whom Use is Restricted or Contraindicated

Classification Population or Condition
Absolute Contraindication Patients with acute or chronic liver disease, or pre-treatment liver enzyme levels exceeding twice the upper limit of normal.
Absolute Contraindication Patients with congenital or documented acquired QTc prolongation due to the risk of severe cardiac events.
Absolute Contraindication Known hypersensitivity to the active substance or any imidazole antifungal agent.
Absolute Contraindication Pregnancy and breastfeeding (according to European regulatory documents).
Restriction Not indicated for common fungal infections of the skin or nails, and must not be used as a first-line treatment for any condition.

Age-Related Eligibility

Safety and effectiveness have not been established for use in children younger than two years of age. Patients with decreased gastric acidity require conditional use to ensure proper absorption.

What should I know about interactions with other medicines?

Faction's extensive interaction profile is rooted in its regulatory status as a potent inhibitor of Cytochrome P450 3A4 ( CYP3A4) and multiple drug transporters, including P-glycoprotein ( P-gp). This mechanism causes a substantial increase in the plasma concentrations of many co-administered drugs.

Contraindicated Combinations

Numerous medicines are officially classified as contraindicated with oral Faction. This strictly prohibited list includes QT prolonging agents (such as Dofetilide, Quinidine, and Cisapride) due to the high risk of life-threatening ventricular arrhythmias. Other prohibited combinations are the HMG-CoA Reductase Inhibitors Simvastatin and Lovastatin, documented for their potential to cause rhabdomyolysis. Ergot Alkaloids (e.g., Ergotamine) are also contraindicated due to the risk of severe vasospastic reactions.

Absorption and Substance Restrictions

Faction's oral absorption depends on an acidic gastric environment. This necessitates a mandatory timing separation rule: acid-reducing medicines must be administered at least one hour before or two hours after Faction. Co-administration with CYP3A4 Inducers (like Rifampin) is not recommended as it significantly reduces Faction's plasma exposure. Official restrictions advise avoidance of alcohol due to a potential increase in liver damage risk and Grapefruit/Grapefruit Juice as it may increase drug levels. Population-specific notes include the contraindication in acute or chronic liver disease.

Mechanism of Action

The mechanism of action for this molecule centers entirely on targeted interference with the biological processes necessary for fungal growth and structural integrity.

Specific Enzyme Targeting in Pathogen Cells

The active component functions as a highly selective inhibitor of Lanosterol 14alpha-demethylase (CYP51A1), an enzyme that is structurally unique to the fungal organism. The molecule binds directly to the enzyme's heme iron core, which immediately blocks the critical chemical step required for manufacturing essential structural components.

Compromising the Fungal Cell Barrier

Blocking the enzyme causes the depletion of ergosterol, the key stabilizing sterol in the fungal cell membrane, while simultaneously leading to the buildup of abnormal precursors. This results in a structurally compromised and highly porous membrane, causing vital intracellular contents like ATP to leak out. This metabolic and structural failure disrupts cell function, leading to fungistatic or fungicidal consequences for the organism.

Biological Specificity and Constraints

The mechanism relies on biological specificity due to the structural differences between fungal and human P450 enzyme systems. However, the effectiveness of this mechanism can be physiologically constrained by fungal genetic mutations in the target enzyme or the development of efflux pumps, which actively remove the molecule and reduce its concentration at the active site.

Dosage and Administration Information

Faction (Ketoconazole) is administered via either the oral or topical route, depending on the required site of action. The oral form, a 200 mg tablet, is used for systemic conditions, while various 2% preparations, including cream, shampoo, gel, and foam, are used for localized application.


Systemic Use Administration

The oral tablet must be administered with food to facilitate absorption. For patients who may have reduced stomach acidity, guidelines suggest taking the dose alongside an acidic beverage or solution to ensure proper dissolution. The standard adult dosing for systemic fungal infections is typically 200 mg once daily, with the option to increase the regimen up to a maximum of 400 mg daily. For specific conditions such as Cushing's syndrome, the initial regimen typically involves 400–600 mg daily, which may be increased to a maximum of 1,200 mg per day in two or three divided doses. In pediatric patients aged 2 years and older, dosing is adjusted based on body weight, starting at 3.3 to 6.6 mg/kg/day.


Topical Use Protocols

Topical formulations follow distinct schedules. The cream is applied once or twice daily to the affected area for specific durations, such as two weeks for cutaneous candidiasis or up to six weeks for Tinea pedis. The 2% shampoo is typically used twice weekly for treatment. When applying the shampoo, the product must be lathered onto the skin or scalp and kept in place for five minutes before rinsing. Topical preparations are strictly for cutaneous use and are not approved for ophthalmic or oral administration.

Recent Clinical Evidence

Research Evidence / Overview of Studies

This section provides an overview of the key research that evaluated the drug's parameters and its use in treating the target condition.


Early Research and Parameters of Action

Studies examined the drug's action on the target protein. Research has explored the drug's action on the target protein and inflammatory pathways. Early clinical trials examined disease activity over 6 months, and a reduction in the measured activity was observed.


Efficacy and Symptom Relief

Research examined whether the drug affected the study's measured outcomes for pain and the time to onset of symptom relief. One study evaluated outcomes when comparing this drug to another treatment and examined changes in inflammation markers. Studies have explored the relationship between time of treatment initiation and reported outcomes.


Safety Profile

Safety was evaluated across different patient populations, including adults. Research examined outcomes in subjects with kidney impairment at various doses.


Combination Use and Long-Term Outcomes

Research evaluated whether combination therapy with Drug X influenced the long-term clinical measures selected for study. Research examined outcomes in subjects who completed the scheduled dosing regimen in the trial. Its relevance to other autoimmune conditions has been explored in early research; however, its use for those conditions has not been established in clinical trials.

Key Studies & References Phase 3 RCT: Efficacy and Safety of Faction in the Target Condition

Frequently Asked Questions (FAQ)

Common questions about Faction (FAQ)

Q: How long does the effect of a single dose of Faction usually last?

A: Studies on the way the drug moves through the body, known as pharmacokinetics, describe the active substance's elimination from the plasma in two phases. Following the initial phase, the terminal half-life—the time it takes for the concentration to be reduced by half—is approximately eight hours. This describes the rate at which the active substance is reduced in the bloodstream.

Q: Is Faction considered a narcotic or controlled substance?

A: The active substance in Faction is categorized as an Azole Antifungal agent. Official drug schedules indicate the active substance in Faction is typically not classified as a scheduled narcotic or controlled substance by the U.S. Drug Enforcement Administration (DEA) or similar international bodies.

Q: Is Faction the same type of medicine as [Similar Medicine]?

A: Faction belongs to a specific group of medicines known as Azole Antifungal agents. This is the official pharmacological classification for the drug. When comparing Faction to another medicine, its classification can help determine if the two substances share a similar fundamental mechanism of action.

Q: Is it normal to feel [vague side effect like grogginess] after starting Faction?

A: The official safety profile for Faction includes certain nervous system reactions. Specifically, some patients have reported experiencing dizziness and somnolence, which is the clinical term for sleepiness or drowsiness. Any unusual effects or concerns should be discussed with a healthcare provider.

Q: Does Faction interact with common over-the-counter pain relievers?

A: Official documentation does not typically list specific common over-the-counter (OTC) pain relievers (like ibuprofen or acetaminophen) as being strictly prohibited. However, the regulatory label advises caution because Faction has a known risk of causing liver injury. Any concurrent use of potentially liver-toxic medications should be discussed with a healthcare provider.

Q: What happens if I miss a scheduled dose of Faction?

A: Official guidance on missed doses typically advises patients to follow the specific instructions provided by their prescribing professional or detailed in the patient information leaflet. Instructions generally recommend resuming the regular schedule and avoiding taking extra medication.

Q: What does the term 'contraindication' mean in the context of Faction?

A: A contraindication is a specific condition or circumstance that makes the use of Faction inadvisable or strictly forbidden. For this drug, contraindications are conditions like pre-existing acute liver disease or specific heart rhythm abnormalities (QTc prolongation). Using Faction under a contraindicated condition means the potential risks are considered too high for the treatment to be used.

Q: Can Faction affect the results of lab tests?

A: Yes, official labeling indicates that Faction may interfere with certain laboratory values. It has been noted to be associated with an increase in levels of certain liver enzymes (ALT and AST) and lipids in the blood. Changes may also be observed in hemoglobin and white blood cell counts.

Q: How is Faction generally eliminated from the body?

A: The drug is primarily eliminated from the body through the bile into the intestinal tract. Official pharmacokinetic studies indicate that most of the active substance (approximately 57%) is excreted through the feces. A much smaller amount (around 13%) is excreted via the urine.

Q: Has Faction been studied in older adults (seniors)?

A: The official label notes that clinical studies may not have included enough subjects aged 65 and over to fully determine if they respond differently from younger adults. It is standard practice for healthcare providers to use caution when prescribing to older adults, reflecting the greater frequency of decreased organ function in this population.

Q: Can Faction cause changes in mood or behavior?

A: Changes in mood or mental status have been noted in reports gathered after the drug was released to the market (post-marketing reports). These reports have included instances of confusion and nervousness. Rare cases of severe depression and suicidal tendencies have also been noted in official documentation.

Q: Are there any known interactions between Faction and common supplements, like vitamins or herbal products?

A: Official information advises that patients must inform their healthcare providers about all medicines, vitamins, nutritional supplements, and herbal products they are taking. This is important because the strong interaction potential of Faction may affect the levels of co-administered substances.

Q: Is the research for Faction based on real-world use or only clinical trials?

A: The information regarding Faction’s safety and effectiveness is gathered from two main sources. The primary efficacy data comes from controlled clinical trials. However, the safety profile is continually updated using post-marketing reports, which track adverse events occurring during real-world use after the drug has become generally available.

Q: What does the phrase 'risk versus benefit profile' mean for Faction?

A: The phrase describes the regulatory assessment that the drug’s potential for treating a severe condition (the benefit) is strictly weighed against its known, serious risks. For Faction, this includes the potential for severe liver damage and serious cardiac rhythm risks. Official guidance indicates that due to these risks, the drug's use is strictly limited to patients with severe conditions when other treatments have failed.

Q: Can Faction affect a person's ability to drive or operate machinery?

A: Official patient information often includes a warning about driving and operating machinery. Patients should be cautious because the oral tablet may cause side effects like dizziness and somnolence (drowsiness). Patients are advised to note how the medication affects them before driving or operating machinery.

Q: What is the difference between a 'side effect' and an 'adverse reaction' for Faction?

A: In regulatory documents, both terms relate to unwanted effects associated with the drug. An adverse reaction is specifically a harmful, unintended response that is strongly linked to the drug itself at normal doses. The term side effect is often used more broadly to refer to any secondary, usually unwanted, effect that occurs while taking the medication.

Q: Why are there different warnings for Faction in different countries?

A: Differences in warnings, indications, and use restrictions exist because each country's regulatory body—such as the FDA in the US, the EMA in Europe, or Health Canada—conducts its own independent review of the drug's safety and efficacy data. This independent assessment process leads to variations in the final labeling requirements and risk management strategies across different regions.

Q: What is the process for reporting a side effect of Faction to a health authority?

A: Patients and healthcare providers are instructed to report any side effects to their respective national health authority. For example, in the United States, patients can submit reports of adverse events through the FDA’s MedWatch program. This process helps regulatory bodies continue to monitor the drug's safety profile.

Q: Does Faction interact with birth control pills?

A: Yes, Faction is a known inhibitor of the CYP3A4 enzyme, which is involved in metabolizing certain hormonal contraceptives (birth control pills). This interaction can potentially increase the blood levels of the birth control hormones. Because of this potential for altered hormone levels, co-administration often requires careful discussion with a healthcare provider.

Q: Has the FDA issued any Black Box warnings for Faction?

A: Yes. The FDA label for the oral tablet includes a Boxed Warning (often colloquially called a 'Black Box Warning') at the beginning of the label. This warning is used to call attention to the serious, life-threatening risks of hepatotoxicity (liver damage) and the potential for QT prolongation, which is a severe heart rhythm disorder.

Q: Can Faction be crushed or split?

A: Official administration instructions for the oral tablet do not typically recommend crushing or splitting the pill for standard adult use. However, some regulatory labels may describe how the tablet can be prepared into a suspension or a crushed tablet for use in young children under professional guidance. Any alteration of the tablet form should be discussed with a prescribing professional.

Q: What is the difference between the labeled indication and off-label use of Faction?

A: The labeled indication refers to the specific use, dosage, and specific usage that has been formally reviewed and approved by a regulatory body. Off-label use refers to when a healthcare provider prescribes the drug for an indication, population, or dosage that is not specified in the official, approved labeling.

Q: What is the official definition of the condition Faction treats?

A: The drug is officially indicated for specific systemic fungal infections in patients who have failed or are intolerant to other therapies. The drug label itself does not define the conditions it treats (e.g., specific fungal diseases); instead, it relies on accepted medical definitions found in standard clinical terminology.

How should Faction be stored and disposed of?

Prescription medications must be stored and disposed of according to the instructions provided with the drug to protect product integrity and prevent harm. Store Faction in its original container, secure the child-resistant cap tightly, and keep it in a location that is out of sight and reach of children and pets at all times. Avoid storing the medicine in areas with high heat or moisture, such as a bathroom medicine cabinet.

For disposal of unused or expired Faction, the preferred method is to utilize a drug take-back program. These programs, often available at pharmacies or through DEA-sponsored events, ensure the medicine is incinerated under controlled conditions.

If a take-back option is not immediately available and the medicine is not on the FDA's flush list, you can dispose of it in the household trash. First, mix the medication with an undesirable substance, such as used coffee grounds or cat litter, without crushing pills. Place this mixture into a sealed plastic bag or container, and then discard it in the trash. Always scratch out all personal information on the prescription label before disposal of the empty container.

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

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