Flucoral

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Flucoral

Flucoral is a pharmaceutical preparation containing the active ingredient Fluconazole, which is prescribed for its function as an antifungal agent. This medicine is broadly classified as a systemic antimycotic that is designed to be absorbed into the bloodstream to target fungal infections throughout the body.


Quick Facts

Property Description
Active Ingredient Fluconazole
Form Tablets, Capsules, Solution (Oral/IV)
Pharmacological Class Triazole Antifungal Agent
Common Action Stops fungal growth (Fungistatic)
Origin Synthetic Compound

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

Flucoral is a systemic antifungal agent categorized in the triazole class of antimycotics, utilized to halt the growth and progression of susceptible fungal organisms. Fluconazole is a synthetic compound designated chemically as 2,4-difluoro-alpha,alpha^1-bis(1H-1,2,4-triazol-1-ylmethyl)benzyl alcohol. Fluconazole is characterized by a high oral absorption rate that is similar to its intravenous administration, providing consistent delivery of the medication regardless of the route used.

Flucoral Composition and Available Forms (Composition and Structure)

The medicine is formulated as a single-ingredient product, consisting of the active substance Fluconazole. It is supplied in several dosage forms, primarily as tablets and capsules for oral administration, and as a solution for intravenous infusion for systemic delivery. This flexibility enables the selection of the most appropriate method for different clinical needs, such as using the oral form for persistent infections or the intravenous solution for acute settings. Other brands sharing this active formulation include Diflucan and Trican.

What is the General Purpose of Flucoral? (High-Level Benefit)

The general purpose of Flucoral is to exert a fungistatic effect, which limits or arrests the ability of fungal organisms to proliferate and spread within the body. It achieves this by interfering with the fungal cell's capacity to synthesize ergosterol, a sterol molecule that is an essential component of the fungal cell membrane. Its broad-spectrum capability covers various pathogenic yeasts and fungi, establishing it as a primary option against systemic fungal infections.

Regulatory References

  1. U.S. National Library of Medicine (NLM)

What side effects are possible with Flucoral?

Possible Side Effects and Safety Information

Official regulatory documents define the safety profile of Flucoral based on frequency and clinical significance, ranging from very common, minor events to rare, serious organ system reactions.


Common and Uncommon Adverse Reactions

Adverse reactions reported with high frequency (common, occurring in 1% to 10% of patients) typically involve the Gastrointestinal and Nervous Systems. These commonly reported events include headache, abdominal pain, nausea, vomiting, and diarrhea. Additionally, rash and elevated liver enzyme levels are frequent. Uncommon events include dizziness, seizures, constipation, dry mouth, and various blood cell abnormalities (e.g., leukopenia, anemia).


Serious and Clinically Significant Reactions

Although rare, certain adverse reactions are considered life-threatening or organ-damaging and require immediate medical attention. These include severe Hepatobiliary reactions such as hepatic failure (sometimes fatal), cholestasis, and jaundice. Serious Dermatologic events include severe exfoliative skin disorders like Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). Serious Cardiac concerns involve the risk of QT prolongation and Torsade de Pointes, a life-threatening heart rhythm abnormality, particularly in patients with pre-existing risk factors.


Population-Specific Safety Notes

Regulatory agencies have documented a risk of Fetal Harm (Teratogenicity), particularly with chronic, high-dose use of Flucoral during pregnancy. Caution and clinical monitoring of liver and kidney function are mandated for patients with existing hepatic or renal impairment. Discontinuation is typically required upon the development of signs indicating hepatic failure, severe rash, or arrhythmia.

Overdose and Emergency Response

Overdose and When to Seek Help

The information in this section is derived strictly from official government regulatory documents.


Documented Overdose Manifestations

Overdose with Flucoral (Fluconazole) has been officially reported to be associated with specific Central Nervous System (CNS) effects. The two key documented clinical manifestations are:

  • Hallucination
  • Paranoid behavior

These effects necessitate immediate action and observation.


Required Emergency Actions and Supportive Measures

Urgent medical attention is required for any suspected overdose due to the potential for severe CNS symptoms. The official regulatory labeling mandates that treatment must be symptomatic and supportive.

There is no specific antidote for Flucoral documented in the official regulatory information. Management focuses on enhancing clearance and supportive care:

  • Symptomatic Treatment and Supportive Measures must be instituted immediately.
  • Gastric lavage may be considered appropriate if deemed clinically indicated.
  • The drug is largely cleared by the kidneys, and hemodialysis is an officially described procedural option: a three-hour session can decrease plasma levels by approximately 50%, aiding in the removal of the drug from the system.

Therapeutic Uses of Flucoral

What Flucoral Treats: Main Uses and Benefits

Flucoral, containing Fluconazole, is a systemic antifungal agent commonly used for managing a spectrum of fungal diseases, where the objective is mycological clearance and clinical improvement across key therapeutic domains. Primary clinical indications for this medication involve several specific fungal infections.

The medication is commonly used to help with symptoms across conditions presenting with systemic or localized discomfort, including candidemia, disseminated candidiasis, cryptococcal meningitis, oral thrush, esophageal candidiasis, and vaginal candidiasis (yeast infections). It is applied in addressing symptom clusters that create noticeable physiological strain, particularly those involving severe systemic distress or localized mucosal discomfort.

Quick Fact: Condition Focus: Symptomatic Management

Type of Symptom Benefit Provided
Itching, burning, soreness Assists with managing the localized discomfort and functional strain.
Systemic distress/fever Contributes to managing symptoms related to acute or episodic changes

A key therapeutic benefit is its use in prophylaxis (prevention) and maintenance therapy. It may assist with reducing the risk of recurrence and is applied in addressing the risk of recurrence in immunocompromised patients.

“This agent is considered relevant in the management of symptoms and for supporting the body’s ability to clear the infection during acute and recurrent fungal episodes.”

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Official Eligibility Rules for Flucoral (Fluconazole)

Regulatory agencies define specific population eligibility rules and absolute contraindications for the use of Flucoral.

Eligibility Status Applicable Population/Condition
Contraindicated (Must Not Use) Patients with known hypersensitivity to fluconazole or other azole compounds. Individuals receiving co-administration of QT-prolonging drugs metabolized by CYP3A4, such as cisapride, pimozide, or erythromycin.
Restricted (Use with Caution) Patients with hepatic impairment or pre-existing heart rhythm problems. Use requires dose modification for multi-dose therapy in patients with renal impairment.
Not Recommended Chronic, high-dose use during the first trimester of pregnancy due to the association with a rare pattern of birth defects. Repeated or high-dose use during lactation.
Established Use Adults and most immunocompromised patients. Children typically 6 months and older for established indications.

Eligibility is further constrained by specific formulation components; for instance, the oral suspension is unsuitable for patients with certain hereditary metabolic disorders like sucrose intolerance. Furthermore, the safety and efficacy of Flucoral for treating genital candidiasis in children have not been established.

What should I know about interactions with other medicines?

Flucoral (fluconazole) is classified as a potent inhibitor of cytochrome P450 (CYP) isoenzyme CYP2C9 and a moderate inhibitor of CYP3A4, with inhibitory effects also noted on CYP2C19. This inhibition reduces the metabolism of many coadministered medicinal products, potentially leading to increased plasma concentrations and associated risks.

Contraindicated Combinations

The concomitant use of Flucoral is strictly contraindicated with several medicines primarily metabolized by CYP3A4 that also prolong the QT interval, due to the high risk of serious cardiac events, including Torsades de pointes. These agents include Cisapride, Astemizole, Pimozide, Quinidine, and Erythromycin.

Co-administration with Terfenadine is also contraindicated when Flucoral is given at doses of 400 mg per day or higher.

Interactions Requiring Caution/Dose Adjustment

Flucoral significantly increases the exposure of numerous medicinal products with a narrow therapeutic window, requiring close monitoring and potential dose reduction. These include:

  • Anticoagulants (e.g., Warfarin), increasing the risk of bleeding.
  • Oral Hypoglycemics (e.g., Glipizide, Glyburide), potentially causing hypoglycemia.
  • Immunosuppressants (e.g., Cyclosporin, Tacrolimus, Sirolimus).
  • Lipid-lowering agents (e.g., Simvastatin, Atorvastatin), which increases the risk of muscle toxicity (myopathy/rhabdomyolysis).

Conversely, co-administration with the inducer Rifampicin results in a notable decrease in Flucoral plasma exposure; consequently, an increase in the Flucoral dosage should be considered when used together.

Mechanism of Action

Inhibiting the Key Fungal Enzyme


Flucoral initiates its action by acting as a selective competitive inhibitor of the fungal enzyme lanosterol 14-alpha demethylase (CYP51). This enzyme is the primary biological target, and blocking its function prevents the conversion of lanosterol, which is the foundational step leading to the resulting mechanistic consequence.

Disruption of the Ergosterol Biosynthesis Pathway


The inhibition of CYP51 results in a major disruption within the fungal ergosterol biosynthesis pathway. This cascade leads to a deficiency of ergosterol and a toxic accumulation of intermediary sterols, directly compromising the integrity and permeability of the fungal cell membrane.

️ Modulating Fungal Viability


These molecular and cellular events translate into the final pattern of activity, limiting the viability of the fungal organism by making its cell boundary unstable. This mechanism ultimately leads to the suppression of organism growth (fungistatic effect) and, in higher concentrations, induces fungal cell death (fungicidal effect), which results in the inhibition of fungal proliferation.

Dosage and Administration Information

The administration of Flucoral (fluconazole) must strictly follow the official instructions provided by your healthcare provider. The drug is taken by the oral route, available as a tablet, capsule, or a liquid suspension.

Official Administration Guidelines

Guideline Instruction
Timing in Relation to Meals May be taken with or without food.
Dosing Frequency Typically taken once daily, but regimens can vary widely from a single 150 mg dose to a daily, weekly, or every 72-hour schedule.
Treatment Duration The full prescribed course must be completed, even if symptoms improve, to ensure the infection is cleared.
Missed Dose Protocol If a dose is missed, take it as soon as you remember. However, if it is almost time for the next scheduled dose, skip the missed dose and continue the regular schedule. Do not take a double dose to make up for the forgotten one.

Preparation and Age-Specific Use

For the oral suspension (liquid form), it must be shaken well before each use to mix the medicine evenly. It should be measured using a marked measuring spoon, oral syringe, or medicine cup to ensure the exact prescribed amount is taken.

For children 6 months to 13 years of age, the dose is typically weight-based (calculated in milligrams per kilogram of body weight) and often begins with a higher initial loading dose on the first day, followed by a lower daily maintenance dose. Dosage for children younger than 6 months of age requires specific determination by a healthcare provider.

Recent Clinical Evidence

Flucoral: Recent Clinical Evidence

Flucoral, a brand name for the azole antifungal medication fluconazole, continues to be a cornerstone in the management of various fungal infections. Recent clinical studies and meta-analyses reinforce its established efficacy and explore its role in new clinical contexts, particularly against evolving fungal strains.


Efficacy in Superficial and Systemic Infections

Clinical data consistently support the use of fluconazole for both systemic and superficial fungal diseases. Recent meta-analyses confirm that a once-weekly dose of 150 mg oral fluconazole is effective for treating dermatophytosis (ringworm) in adults over a four-week period. For invasive candidiasis, a serious bloodstream infection often seen in immunocompromised patients, fluconazole remains a primary therapeutic and prophylactic option. Studies in high-risk groups, such as those undergoing bone marrow transplantation or patients with advanced HIV infection, continue to show its value in preventing candidiasis and cryptococcal meningitis.


Focus on Antifungal Tolerance and Resistance

An area of growing clinical research is the rise of azole resistance and tolerance, particularly in Candida albicans and Candida glabrata isolates. Studies have identified fungal mechanisms—such as the upregulation of drug efflux pumps and mutations in the target enzyme—that may allow certain strains to survive at concentrations previously considered effective. This emerging evidence highlights the importance of drug susceptibility testing in cases of persistent or recurrent infection to guide treatment decisions. In specific conditions like cryptococcal meningitis, higher daily doses (e.g., up to 400 mg initially, followed by 200 mg) are often required, as supported by current infectious disease society guidelines, demonstrating the need for tailored dosing based on the type and site of infection.

Key Studies & References

  1. Antifungal (oral and vaginal) therapy for recurrent vulvovaginal candidiasis: a systematic review and meta-analysis

Frequently Asked Questions (FAQ)

Common questions about Flucoral (FAQ)

Q: Does Flucoral treat conditions caused by fungi, like yeast infections or athlete's foot?

Flucoral (fluconazole) is an antifungal medicine officially indicated for treating a wide range of infections caused by sensitive fungi, including yeast (like Candida species) and certain types of ringworm, which causes conditions such as athlete's foot. According to regulatory documents, its authorized use covers infections of the skin, vagina, mouth, throat, and systemic (body-wide) infections.

Q: Is it safe to use Flucoral during pregnancy?

Regulatory sources state that Flucoral should generally be avoided during pregnancy, especially during the first three months, unless the potential benefit to the mother outweighs the risks to the unborn child. Official information indicates that high doses or long-term use in the first trimester may be associated with risk. Regulatory guidelines state that a healthcare professional determines if the potential benefits outweigh the risks before prescribing Flucoral during pregnancy.

Q: Can children use Flucoral?

Official product information indicates that Flucoral can be used to treat certain fungal infections in children, including infants and adolescents. The appropriate treatment, including dosage and duration, is carefully adjusted based on the child's weight, age, and the specific infection being treated. The official product information specifies that treatment in children must be determined by a healthcare professional.

Q: How quickly does Flucoral start to work for an infection?

Studies and official information indicate that Flucoral begins its action by interfering with the fungal cell wall once it reaches the site of infection. While the medicine starts acting, the time it takes for a patient to feel better or for the infection to fully clear up varies significantly. This depends on the type and severity of the condition, meaning some infections may show improvement within days, while others require longer treatment.

Q: If I miss a dose of Flucoral, what should I do?

According to the official product information, the recommended action if a dose of Flucoral is missed is to take it as soon as the lapse is noticed. However, if it is almost time for the next scheduled dose, the missed dose should be skipped, and the regular dosing schedule should be continued. Regulatory documents explicitly advise against taking a double dose to compensate for a forgotten one.

How should Flucoral be stored and disposed of?

Flucoral (fluconazole) should be stored in its original, tightly closed container and kept out of the reach of children.

Dosage Form Storage Temperature Notes
Tablets / Dry Powder Below 86 F (30 C) Away from excess heat and moisture (not in the bathroom).
Reconstituted Suspension 41 F to 86 F (5 C to 30 C) Discard unused portion after 14 days. Protect from freezing.

For disposal, do not flush Flucoral down the toilet unless the medication guide specifically instructs you to. The safest method is to participate in a medicine take-back program. If a take-back program is unavailable, mix the medication with an undesirable substance, such as kitty litter or used coffee grounds, and place it in a sealed bag before putting it in the household trash. Always scratch out personal information on the prescription label before disposal.

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

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