What is fluconazole?
Fluconazole is an antifungal antibiotic.
Fluconazole is used to treat infections caused by fungus, which can invade any part of the body including the mouth, throat, esophagus, lungs, bladder, genital area, and the blood.
Fluconazole is also used to prevent fungal infection in people with weak immune systems caused by cancer treatment, bone marrow transplant, or diseases such as AIDS.
Fluconazole may also be used for other purposes not listed in this medication guide.
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Precautions
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Instructions
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Side Effects
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Interactions
Precautions
Do not use this medication if you are allergic to fluconazole, or similar drugs such as clotrimazole (Lotrimin), econazole (Spectazole), ketoconazole (Nizoral), miconazole (Monistat), sertaconazole (Ertaczo), sulconazole (Exelderm), terconazole (Terazol), tioconazole (Vagistat-1), or voriconazole (Vfend).
Do not use fluconazole if you are also taking cisapride (Propulsid) or terfenadine (Seldane).
Before taking fluconazole, tell your doctor if you are allergic to any drugs, or if you have:
- liver disease;
- kidney disease;
- a heart rhythm disorder; or
- a personal or family history of "Long QT syndrome."
If you have any of these conditions, you may need a dose adjustment or special tests to safely take fluconazole.
FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
Fluconazole can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Follow your doctor’s instructions about any restrictions on food, beverages, or activity while you are using fluconazole.
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Instructions
Seek emergency medical attention if you think you have used too much of this medicine. Symptoms of a fluconazole overdose may include confusion or unusual thoughts or behavior.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take extra medicine to make up the missed dose.
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Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
- fever, chills, body aches, flu symptoms;
- severe blistering, peeling, and red skin rash;
- easy bruising or bleeding, unusual weakness; or
- seizure (convulsions).
Less serious side effects may include:
- mild nausea, vomiting, diarrhea, or upset stomach;
- headache;
- dizziness;
- unusual or unpleasant taste in your mouth; or
- skin rash or itching.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
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Interactions
Before taking fluconazole, tell your doctor if you are using any of the following drugs:
- astemizole (Hismanal).
- a blood thinner such as warfarin (Coumadin);
- cyclosporine (Gengraf, Sandimmune, Neoral);
- an oral diabetes medicine such as glipizide (Glucotrol), glyburide (Diabeta, Micronase, Glynase), tolbutamide (Orinase), tolazamide (Tolinase), chlorpropamide (Diabinese), and others;
- rifabutin (Mycobutin) or rifampin (Rifadin, Rifater, Rifamate, Rimactane);
- a sedative such as diazepam (Valium), lorazepam (Ativan), alprazolam (Xanax), or midazolam (Versed);
- seizure medication such as phenytoin (Dilantin) or valproic acid (Depakene);
- tacrolimus ((Prograf); or
- theophylline (Theo-Dur, Theolair, Theochron, Elixophyllin, Slo-Phyllin, others).
This list is not complete and there may be other drugs that can interact with fluconazole. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Other Names
Diflucan and fluconazole
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Disclaimer
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2004 Cerner Multum, Inc. Version 2.05. Revision date 8/23/04
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