Fluconazole is used to treat serious fungal or yeast infections, such as vaginal candidiasis, oropharyngeal candidiasis (thrush, oral thrush), esophageal candidiasis (candida esophagitis), other candida infections (including urinary tract infections, peritonitis [inflammation of the lining of abdomen or stomach], and infections that may occur in different parts of the body), or fungal (cryptococcal) meningitis. This medicine works by killing the fungus or yeast, or preventing its growth. Fluconazole is also used to prevent candidiasis in patients having bone marrow transplants who receive cancer or radiation treatment. This medicine is available only with your doctor's prescription. The NICE British National Formulary (BNF) and British National Formulary for Children (BNFc) sites are only available to users in the UK, Crown Dependencies and British Overseas Territories. If you believe you are seeing this page in error please contact us.
QT prolongation Torsades de pointes Alopecia Anaphylactic reactions Angioedema Cholestasis Dizziness Dyspnea Hepatic failure Hepatitis Hypertriglyceridemia Hypokalemia Increased alkaline phosphatase Increased ALT/AST Jaundice Leukopenia Pallor Seizures Stevens-Johnson syndrome Taste perversion Thrombocytopenia Toxic epidermal necrolysis Hypersensitivity to other azoles Use caution in proarrhythmic conditions and renal impairment Use extreme caution or avoid in congenital long-QT patients and patients with conditions that increase QT-prolongation risk Fluconazole inhibits CYP2C9, CYP2C19, and CYP3A4 isoenzymes; coadministration with drugs that are substrates if these isoenzymes may be contraindicated or warrant dosage modifications Capsules contain lactose and should not be given to patients with rare hereditary problems of galactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption Powder for oral suspension contains sucrose and should not be used in patients with hereditary fructose, glucose/galactose malabsorption or sucrase-isomaltase deficiency Syrup contains glycerol; may cause headache, stomach upset, and diarrhea Hepatotoxicity reported with use; use with caution in patients with hepatic impairment Rare exfoliative skin disorders reported; monitor closely if rash develops and discontinue if it progresses When driving vehicles or operating machines, it should be taken into account that dizziness or seizures may occasionally occur Candida krusei is inherently resistant Convenience and efficacy of single dose oral tablet of fluconazole regimen for the treatment of vaginal yeast infections should be weighed against acceptability of higher incidence of drug related adverse events with fluconazole (26%) versus intravaginal agents (16%) If drug is used during pregnancy or if patient becomes pregnant while taking the drug, patient should be informed of potential hazard to fetus; effective contraceptive measures should be considered in women of child-bearing potential who are being treated with 400 to 800 mg/day and should continue throughout the treatment period and for approximately 1 week (5 to 6 half-lives) after the final dose Highly selective inhibitor of fungal cytochrome P-450-dependent enzyme lanosterol 14-alpha-demethylase Subsequent loss of normal sterols correlates with accumulation of 14 alpha-methyl sterols in fungi and may be responsible for the fungistatic activity of fluconazole Additive: TMP-SMX Y-site: Amphotericin B, amphotericin B cholesteryl sulfate, ampicillin, calcium gluconate, cefotaxime, ceftazidime(? ), ceftriaxone, cefuroxime, chloramphenicol, clindamycin, co-trimoxazole, diazepam, digoxin, erythromycin lactobionate, furosemide, haloperidol, hydroxyzine, imipenem/cilastatin, pentamidine, piperacillin, ticarcillin, TMP-SMX Solution: D5W, LR Additive: Acyclovir, amikacin, amphotericin B, cefazolin, ceftazidime, ciprofloxacin, clindamycin, gentamicin, heparin, meropenem, metronidazole, morphine, piperacillin, potassium chloride, ranitidine with ondansetron, theophylline Y-site: Acyclovir, aldesleukin, allopurinol, amifostine, amikacin, aminophylline, amiodarone, ampicillin-sulbactam, aztreonam, benztropine, bivalirudin, cefazolin, cefepime, cefotetan, cefoxitin, cefpirome, chlorpromazine, cimetidine, cisatracurium, dexamethasone sodium phosphate, dexmedetomidine, diltiazem, diphenhydramine, dobutamine, docetaxel, dopamine, doxorubicin liposomal, droperidol, etoposide PO4, famotidine, fenoldopam, filgrastim, fludarabine, foscarnet, ganciclovir, gatifloxacin, gemcitabine, gentamicin, granisetron, heparin, hetastarch, hydrocortisone, immune globulin, leucovorin, linezolid, lorazepam, melphalan, meperidine, meropenem, metoclopramide, metronidazole, midazolam, morphine, nafcillin, nitroglycerin, ondansetron, oxacillin, paclitaxel, pancuronium, penicillin G, phenytoin, piperacillin-tazobactam, prochlorperazine, promethazine, propofol, quinupristin-dalfopristin, ranitidine, remifentanil, sargramostim, tacrolimus, teniposide, theophylline, thiotepa, ticarcillin-clavulanate, tobramycin, vancomycin, vecuronium, vinorelbine, zidovudine Tablets: Store below 86° F (30° C) Dry powder: Store below 86° F (30° C); reconstituted suspension should be stored between 86° F (30° C) and 41° F (5° C), and unused portion should be discarded after 2 weeks; protect from freezing Injection (glass bottles): Store between 86° F (30° C) and 41° F (5° C); protect from freezing Injection (Viaflex Plus plastic containers): Store between 77° F (25° C) and 41° F (5° C); protect from freezing The above information is provided for general informational and educational purposes only. Individual plans may vary and formulary information changes. Contact the applicable plan provider for the most current information. Read the Patient Information Leaflet if available from your pharmacist before you start taking fluconazole and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually once daily. If you are taking the liquid suspension form of this medication, shake the bottle well before each dose. Carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose. Dosage is based on your medical condition and response to treatment. Generally in children, the dose should not exceed 600 milligrams daily unless directed by the doctor.
It is usually taken as a single 150 mg dose for vaginal thrush. You can take it at any time of day, either before or after a meal. Longer courses of treatment are prescribed for other types of fungal infections. However, some types of fungi can thrive and multiply on the surface of our bodies and cause infections of the skin, mouth or vagina. The most common fungi to cause skin infections are the tinea group of fungi. A common fungal infection of the mouth and vagina is called thrush. This is caused by an overgrowth of a yeast (which is a type of fungus) called . Fungal infections sometimes occur within the body also. Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. Keep using this medicine for the full treatment time, even if you feel better after the first few doses. Measure the medicine with a marked measuring spoon, oral syringe, or medicine cup. Your infection may not clear up if you stop using the medicine too soon. The average household teaspoon may not hold the right amount of liquid. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
Candida infections of the linings of the mouth oral thrush, throat or. a single dose of 150mg fluconazole taken by mouth, while some other. In fasted normal volunteers, administration of a single oral 400 mg dose of DIFLUCAN fluconazole leads to a mean Cmax of 6.72 μg/mL range 4.12 to 8.08 μg/mL and after single oral doses of 50-400 mg, fluconazole plasma concentrations and AUC area under the plasma concentration-time curve are dose proportional.